Why does my car blower motor not shut off?

If you have a vehicle with climate control system and a variable speed blower motor and the blower motor won’t shut off and stays on HIGH with the car turned off and the key out, chances are the blower motor motor control processor is toast or the HVAC control module is damaged.

When does the rear AC blower turn on?

Three years ago I replaced the rear blower motor control module, which caused the rear AC to start working again. That was no fun with such a tight space to try to loosen and tighten nuts in! Since then there has always been, however, an approximate three minute delay for the rear AC blower to turn on.

Why is my rear AC not turning off?

Today I disconnected both the front seat (near the shifter) and first rear seat controls for the rear AC. It didn’t change anything. I finally removed the fuse under the first rear seat to get it to stop blowing. Less than a year ago I replaced the front blower motor control module because the front speeds weren’t working right.

When did the second generation Chevy Astro come out?

In this article, we consider the second-generation Chevrolet Astro, produced from 1995 to 2005.

How do you disconnect a blower motor?

Turn the key in the OFF position. 2. Reconnect the blower motor speed control that you disconnect in the last step. 3. Disconnect the DATC/EATC module, connector C228a (see below). 4. Disconnect the blower motor relay (look in your manual, but I believe it’s relay 6 in the fuse box). 5.

Why does my a / C blower run with the key off?

You may have shorted out the A/C blower resistor that controls the blower speeds. This component is supplied power all the time and only the switch controls the motor speed. If the resistor terminals where the resistors are touched together then it can cause the blower to run with the key in the off position.

What to do if your climate controlled blower wont shut off?

If your climate controlled blower processor is shot, be prepared to spend mucho bucks for a replacement. But before you start throwing expensive parts at the problem, you’ll have to do some checking. Start by testing the gray/black wire at the blower motor control processor. First, try grounding the wire. Then try removing it.

When to replace the blower motor control module?

Important: Replace the blower motor control module if the vehicle experienced a blower motor control module failure in extremely cold ambient temperature conditions. Technicians are to replace the blower motor control module, also called the Linear Power Module (LPM), with the P/N listed below.

How does the processor work on a blower motor?

The processor is what lets you select and infinite range of blower speeds. In vehicles without climate control, you’ve only got three blower speeds and those are controlled by a blower motor relay.

Where is the blower resistor on a Chevy Silverado?

This is a very common problem on 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007 Chevrolet Silverado and GMC Sierra trucks. Over a period of time the resistor and usually the connector overheat and blower operation stops in some or all speeds. The blower resistor is located on the passenger side of the vehicle behind the glove box.

Why is my blower not working on my GMC Sierra?

When you switch to high,the blower motor relay coil circuit is grounded and voltage is now applied directly through the relay to the blower motor; bypassing the resistors. So, I would look to see if the relay is ok. It is a five terminal relay.

Why is my blower not working in Hi ( 5 )?

The usual failure of the resistor pack is if it works in HI (5) but not in any other mode or just a few modes. When you switch to high,the blower motor relay coil circuit is grounded and voltage is now applied directly through the relay to the blower motor; bypassing the resistors. So, I would look to see if the relay is ok.

Why does my Chevy Silverado blower keep running?

Also, if you smell burning plastic or smoke begins to enter the cabin when the blower is going, that is also a sign you have a faulty blower motor. Finally, if you hear that the blower motor is still running even when the Silverado ignition is in the “off” position, chances are, your blower motor needs replacing. Figure 1. Test your HVAC controls.

How to replace the blower motor resistor on a Chevy Silverado?

In this video we show you how to replace the blower motor resistor in a Chevy Silverado, Also it is very important to consider the blower motor anytime a resistor fails. A worn out blower motor may still work, however it will require more amperage to operate, this extra amperage is pulled through the resistor and can easily burn it out. Loading…

How can I repair my Chevy Duramax blower motor?

A copy of this letter will be attached to the dealer message announcing this bulletin. In the meantime, if a customer brings their vehicle to the dealership with the condition described in this bulletin, repair the vehicle using the parts called out in this bulletin.

Why does my Chevy Tahoe heater not shut off?

There’s not alot of room to work especially if you have big hands like me. Today is Sept 22 2014. CHEVY TAHOE 2005. HEATER BLOWER WON T STOP WHEN ENGINE SHUT OFF . WHEN ENGINE RUNNING NO CONTROL ON THE BLOWER SPEED .WORKED AT ABOUR 2/3 OF MAX SPEED . REPLACED MYSELF THE BLOWER RESISTOR .TOOK ME 2 HRS MAX .

The processor is what lets you select and infinite range of blower speeds. In vehicles without climate control, you’ve only got three blower speeds and those are controlled by a blower motor relay.

Why does my GM A / C heater not shut off?

Customers may comment that the A/C blower only operates on high or repeat blower resistor failures. Cause is a mis-positioned harness from the blower motor assembly to the right I/P fuse block C4 causing harness rub through at right I/P metal support. Repair wiring and reposition blower motor harness away from the right I/P support.

Why does my blower motor not shut off?

All of sudden the fan motor started running on high speed and will not cut off of high no other way than the ground off the battery, could not find on fuse panel the fan fuse. helpful? To clarify, are you talking about the engine cooling fan (under the hood), or the blower fan (for heat and A/C)?

Why does my car heater not shut off in cold weather?

In some cases in cold weather the blower motor may not run, or if it does, it may not shut off when you turn off the vehicle. The TSB applies to the following vehicles with automatic temperature control:

What causes a truck to shut off and then start up again?

Answer: This could be a problem of a failing fuel pump. This is pretty common on this truck. Normally this would cause the truck to sort of stumble before it stalls. If it just instantly shuts off like you are turning the key off, then it may be a problem in the ignition switch in the steering column, or an ignition control module.

https://www.youtube.com/watch?v=7w3IXsjmrno

How much does it cost to replace a blower motor?

However, if the blower continues to run at high speed with either of those tests, replace the blower motor control processor. Just as an FYI, the retail price of the blower motor control processor is $280.34. There are a few places online that rebuild these puppies.

Why does my car run when the ignition is turned off?

With the ignition turned off and the car continuing to run, simply remove the plug from the alternator (DO NOT TRY AND REMOVE THE BATTERY POWER WIRE FROM THE POWER STUD!) and the car should shut off if the alternator is creating the problem. If it does not stop running, your feedback problem is coming from something other that the alternator.

Why does my furnace blower fan keep running?

Well, if your furnace blower fan won’t stop running, you could have any of the following problems: 1 You’re using the wrong thermostat fan setting 2 Your fan limit switch is on “manual override” 3 There’s a shorted thermostat wire 4 There’s a shorted wire at the fan limit switch

What to do if your YouTube heater is stuck?

Heater Blower Stuck on after key is off…FIXED! – YouTube Heater Blower Stuck on after key is off…FIXED! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

Why does my blower motor keep running after I shut off the car?

Some customers may comment that the blower motor is inoperative or continues to run after the vehicle has been shut off. These conditions may be caused by a blower motor control module failure. This failure may occur when the vehicle is operated in ambient temperature conditions of -23 C (-10 F) or below.

What should I do if my blower wont shut off?

If the blower stops with either of these steps, the problem is in the HVAC control module. However, if the blower continues to run at high speed with either of those tests, replace the blower motor control processor. Just as an FYI, the retail price of the blower motor control processor is $280.34.

Why does my electric heater fan not shut off?

This comes directly from the ignition switch on the green/yellow strip wire so it looks like the switch is failing to disconnect. Try pulling fuse #20 in the battery junction box. This is a 50 amp square fuse that will be hard to remove.

Why does the fan shut off when I Turn Off the ignition?

Try pulling fuse #20 in the battery junction box. This is a 50 amp square fuse that will be hard to remove. If the blower then turns off the ignition switch needs to be replaced. when I went out and turned the fan control switch nothing came on. I turned the ignitionon and the fan on it came on. I turned off the ignition and everything shut off.

Why does my furnace blower fan not shut off?

Perhaps there is a defective fan limit control or fan relay control switch. Sometimes my blower fan won’t shut off for a while. It will work for half the day and then the other half of the day it will not shut off.If I flip the breaker off and right back on the fans stays off until the next cycle.

What should I do if my blower won’t shut off?

Refer to either the Blower Motor Control Processor Replacement or Blower Motor Processor Replacement-Auxiliary procedures in SI. After replacement of the blower motor control module, the customer may notice a slightly higher than expected blower motor speed at any of the blower speed settings.

Why does my car heater not shut off?

These conditions may be caused by a blower motor control module failure. This failure will only occur when the vehicle is operated in ambient temperature conditions of -23°C (-10°F) or below.

Why does my blower motor keep running after I cut it off?

My blower motor is staying on even after I have cut the truck off and opened the door. helpful? Some customers may comment that the blower motor is inoperative or continues to run after the vehicle has been shut off. These conditions may be caused by a blower motor control module failure.

Why does my car not turn off when I Turn Off the engine?

Dieseling is rarely a problem with fuel injection because the fuel delivery is shut down as soon as the switch is off. Unless it is specially equipped, a carburetor will deliver fuel as long as there is air passing through it. If you have a fuel injected car that is dieseling, there is a leaking fuel injector in the system that has to be replaced.

Why does my car heater not turn off?

My car has an automatic transmission. This suggests that the relay may be supplying power to the blower motor regardless of turning the switch off. The blower motor relay supplies power to this motor when you turn the switch to “on” that can sometimes fail.

Why does the blower motor relay not work?

This suggests that the relay may be supplying power to the blower motor regardless of turning the switch off. The blower motor relay supplies power to this motor when you turn the switch to “on” that can sometimes fail. When this happens, you may notice that you will not feel anything blowing out of the vents at all.

Can a car fan still run after the engine is turned off?

Then you notice the engine cooling fan is still running even though the car is turned off. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. Your car fan will run for a few minutes after you turn off the car then turn off. This is normal in many vehicles, such as BMW or Mercedes-Benz.

Why does my GM car heater not shut off?

Can a Silverado blower stay on with the key off?

The HVAC blower in this 2003 Silverado stays on speed 5 even with the key off. Here’s how to turn speed 5 of the blower off (while keeping speeds 1-4) and hopefully this will save you from replacing the battery. NOTE: GM issued a special coverage policy for this problem which covers the repair for 10 years or 150k miles, whichever comes first.

What are the downsides of a blower motor?

The downside of blower motor resistors is that, in order to reduce voltage, a resistor converts the energy into heat. These days cars can’t afford to waste that energy—there are simply too many electrical accessories to run.

How does a blower motor controller work on a car?

It’s really a simple concept: the blower motor controller pulses either the power or the ground circuit on and off depending on which fan setting you choose.

What causes a bad or failing blower motor relay?

Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current…

What causes a fuse to blow on a blower motor?

If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.

What causes a blower motor to overheat?

Decreased airflow causes the blower motor resistor to overheat and fail. Reduced airflow also causes the blower motor to work harder, draw more current and that can cause repeat blower motor resistor failures. Blower motor is drawing too much power. Check the cabin air filter for clogging.

What should I do if my blower motor is not working?

If it’s good, refer to a wiring diagram for your vehicle and conduct these tests: Disconnect the electrical connector at the blower motor and jumper power and ground to the motor, bypassing all the speeds controls.

Why does my blower motor make a squealing noise?

The squealing noise happens most often in the winter during cold startups and may disappear as the motor heats up. If you ignore the noise, the bearing will continue to wear to the point where the motor won’t start at all. The reason I’m not including the motor resistor as a suspect is because it usually only controls the lower speeds.

How does a blower motor work in a car?

Carmakers use these three common wiring methods to supply power and ground to the blower motor in a manual system using a blower motor resistor. In one design, the car maker supplies battery power to the speed switch, which switches the power to the appropriate connection on the blower motor resistor.

Replace the blower motor control module if the vehicle experienced a blower motor control module failure in extremely cold ambient temperature conditions. Technicians are to replace the blower motor control module also called the Linear Power Module (LPM) with the P/N listed below.

Why does the blower motor keep running after I Turn Off the car?

Why does the blower motor keep running after I turn off the car? If your car uses a blower motor controller, it can keep running the blower motor after you shut down the engine. Those used to be installed only on vehicles with automatic climate control with variable speed fans, but now they’re installed on many late model vehicles.

How often is the blower motor on when ignition is off?

The fan will blow for 15 minutes at half speed with the air directed to the dashboard air outlets. Make sure the customer is informed of this new function. Ambient temp greater than 75°F (24°C) when engine is turned off. Runs only one time every 20 hrs.

Why does my car fan stay on when I Turn Off the ignition?

The climate system awakening and doing temp measurements allows it to have a had start on it mode and fan speed. If it is very quiet and you enter car close doors and listen you can hear the fan usually. OH #2: The engine cooling fan has conditions where it stays on when you turn off the ignition.

What to do if your blower motor runs all the time?

If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. A collection of my personal auto repair videos on a variety of car repairing subjects.

Why does my Ford Expedition blower motor keep going?

My Ford vehicle decided to set the blower motor on HIGH no matter what. If I put my climate control to OFF, the blower motor keeps going. The fan control no longer works. The only way I can stop the fan is if I turn the vehicle off, then press OFF then restart the vehicle.

Why does my Furnace Fan not shut down?

If the furnace tries to start but cannot keep running then there is a different problem such as no fuel or an unsafe condition. On 2020-03-04 by (mod) – blower motor on air conditioner will not shut down. Have you checked for shorted wires anywhere in the control circuit? blower motor on air conditioner will not shut down.

Why is my furnace blower fan not turning off?

Limit Switch Issue | Furnace Blower Fan Wont Turn Off If the furnace overheats, then a limit switch will open. That will cause the burners or heat source to shut off and the fan to run until the limit switch closes again. In some cases, the limit switch will stick open, and this will cause the fan to run continuously.

Why is my air handler fan not turning off?

Air Handler Blower FAN WON’T TURN OFF! 5 Reasons Why it Keeps Running! If playback doesn’t begin shortly, try restarting your device.

Why is my Jeep Grand Cherokee heater not turning off?

The heater blower is stuck on in the high position on my 2005 jeep grand cherokee and will not turn off unless the igniton is turned off or the fuse is removed. I had it checked out and was told i needed a new blower motor resistor as well as a new blower motor.

Why does my blower only work on high speed?

If your blower only operates on its highest speed, chances are you have the series type of blower motor resistor. This is the most common failure mode. To repair the problem, simply replace the resistor block.

Why does my Ricks free auto blower motor not work?

A clogged cabin air filter reduces airflow through the ducts, increases current draw on the blower motor and can cause blower motor resistor overheating and premature failure. If you replace the resistor and it burns out again, check the current draw on the blower motor.

Why is my AC blower not working?

A common problem behind an air conditioner blower not starting includes overheating, which keeps the motor from running. Let your air conditioner rest and cool down for a while before trying to turn it on again; if the motor works at that point, overheating is probably the problem.

What are the symptoms of blower motor failure?

Lack of air from the vehicle’s vents
Stuck on specific settings
Stuck at one speed

Is my blower motor bad?

No air from the vents. No air flow from the vents when the heater or air conditioning is activated is another symptom of a bad blower motor. If the heater blower motor burns out or short circuits, it will not function, and therefore will not be able to produce any airflow for the system. The blower motor will usually have to be replaced in order…

Why does blower motor resistor keep going out?

The blower motor appears to be defective here. When the brushes wear out the motor draws excessive amps which could cause the resistor to burn out. Before making further replacements remove the motor and check it, especially the brush assembly. This is the most likely reason for the resistor to fail repetitively.

What to do if your a / C compressor won’t engage?

HOWEVER, if you cannot turn the compressor on, you cannot recharge your AC levels (grrrr). So you need to use a paper clip to bypass the relay switch and force the clutch to engage. You can then recharge the freon and re install the relay switch and it will sense more pressure and the clutch will engage by itself. Loading…

HOWEVER, if you cannot turn the compressor on, you cannot recharge your AC levels (grrrr). So you need to use a paper clip to bypass the relay switch and force the clutch to engage. You can then recharge the freon and re install the relay switch and it will sense more pressure and the clutch will engage by itself. Loading…

Where is the blower control switch on the dashboard?

The blower control switch on the dashboard controls the circuit flow of the blower motor to adjust the voltage from low, to medium, to medium-high, to high. When on high, the circuit bypasses the blower resistor.

What happens when a blower motor relay wears out?

Without it, the AC system will not be able to circulate any heated or cooled air. The blower motor relay controls the current used to power the blower motor, and is subject to the constant on and off switching. Over time, it can eventually wear out.

What are the symptoms of a bad blower motor relay?

3. Melted relay. Another more serious symptom of a problem with the blower motor relay is a burned or melted relay. Relays are exposed to high current loads and can sometimes get hot when they develop problems.

The blower control switch on the dashboard controls the circuit flow of the blower motor to adjust the voltage from low, to medium, to medium-high, to high. When on high, the circuit bypasses the blower resistor.

If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.

How long does it take for Furnace Fan to stop blowing?

This shuts the furnace down and prevents your thermostat from calling for more heat. If the furnace was in the middle of a heating cycle, wait 3 to 4 minutes for the blower fan to stop running. Did your furnace fan stop blowing?

What happens when a blower motor resistor is bad?

Without any power, the motor won’t run. As a result, the blower fan stays still and silent, and no air blows out of the vents. There are instances where a bad resistor will prevent the current from reaching the blower motor altogether. Resistors have it rough.

How is the speed of the blower motor controlled?

On climate control systems without automatic temperature controls, the blower motor speeds are controlled by a switch wired to a stepped resistor that usually includes a thermal fuse.

Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current…

What happens if you have a bad blower motor?

The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air.

What happens if you lose the blower motor relay?

The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air. The blower motor relay controls the current used to power the blower motor,…

Is there a problem with the HVAC blower?

The resistor that controls the HVAC blower motor (front) has failed and I need to replace it. Can … read more I had a problem in which the fan control dial would only work at level 4 (Max level) blowing out the maximum of heat or cooling.

Air Handler Blower FAN WON’T TURN OFF! 5 Reasons Why it Keeps Running! If playback doesn’t begin shortly, try restarting your device.

How to troubleshoot the air conditioning in a Ford Taurus?

It can be found under the trim panel of the dashboard on the passenger side if the car. Unscrew three retaining screws and pull the blower motor off the of its mount. Start the engine of the car and allow it to run while looking at the compressor. Look for obvious signs of malfunction. Touch both of the hoses attached to the compressor.

What are the symptoms of a worn out blower motor?

One of the symptoms of a worn out blower motor is that it can intermittently produce a loud screeching noise when running. How to test a blower motor? If the blower motor doesn’t work at all, the blower motor itself must be tested first. Typically it’s done by measuring the voltage at the blower motor connector when it’s turned on.

What are the symptoms of a failed blower motor resistor?

Blower motor resistor problems. Problems with a blower motor resistor are common in many cars. The most common symptom of a failed blower motor resistor is when the heater fan only runs at high speed and doesn’t work at low speeds.

Where does the power transistor go in a blower motor?

The power transistor has 4 wires: two come from the climate control system control unit, one is the ground, one goes to the negative terminal of the blower motor. The service manual advises measuring the voltage at the blower motor, then if not OK, at the power transistor and so on.

How can I tell if my blower motor has a problem?

Press and hold the OFF button and within 10 seconds press and release the Window Defogger button five times. The system enters the self-diagnostic mode and at the end of it, if there is a problem, the fault code will be displayed on the display.

Where is the blower motor resistor on a Mazda 5?

In many cars it’s fairly easy; the blower motor is located behind the glove box and held by 3-4 screws. In others it might be located inside the dash (e;g Mazda 5) which makes replacement difficult. If you need a proper diagnostic procedure, we posted several links where you can access a service manual for your car for a subscription fee.

With the ignition turned off and the car continuing to run, simply remove the plug from the alternator (DO NOT TRY AND REMOVE THE BATTERY POWER WIRE FROM THE POWER STUD!) and the car should shut off if the alternator is creating the problem. If it does not stop running, your feedback problem is coming from something other that the alternator.

What happens when you remove the key from the ignition?

Car Engine Doesn’t Turn Off When Removing Key or Pressing STOP It is a strange problem to have a car that won’t turn off when you remove the key from the ignition or press the Engine Stop button. Your engine will continue to run even when you remove the key from the ignition because the fuel pump is not shutting off.

Why does my diesel engine not shut off?

Since a diesel engine does not run on electric spark, the engine has to be shut off by some other means. When you turn the key off on your Mercedes diesel, you may have noticed that the engine will not quit immediately. In some cases it may even keep running a second or two after you have turned the key to the off position before it finally quits.

If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. A collection of my personal auto repair videos on a variety of car repairing subjects.

3. Melted relay. Another more serious symptom of a problem with the blower motor relay is a burned or melted relay. Relays are exposed to high current loads and can sometimes get hot when they develop problems.

Why does my HVAC blower keep coming on and off?

Thus, cycling power to just the fan motor does not cure, even temporarily, the problem. But turn power off to the entire unit- then the fan stays off for some random amount of time. Usually measured in many hours, although not always. Very hard to troubleshoot like this.

Why does my GMC truck not shut off?

OK, new ignition sw & harness installed, alarm system disabled. It puts all kind of codes in it. It’s been at the shop for almost 6 days and the tech’s have been working on it. It is a RAMDOM problem, don’t do it all of the time. Any more ideas? Any help will be appreciated. Thanks.

What to do if your Silverado won’t shut off?

I have an “02” Silverado that won’t shut off with the key. The key works like normal but engine keeps running, Anybody have any ideas? Sounds like the ignition sw. to me. Any help will be appreciated, Thanks. Click to expand… To get it to shut off? Pull a main fuse from the underhood fuse panel.

Is there recall on GMC Duramax blower motor?

You need to find a different dealer then, it is covered as long as you don’t have over 150K miles on your truck, the recall runs from 2003-to 2007 Classic body trucks. Check somewhere else, somewhere that actually knows whats going on…

Why does the Chevy Avalanche blower keep blowing?

The auto climate control fan speed is controlled via PWM with a solid-state driver. Completely different system, and different issue. I am running into a similar issue. 2003 Avalanche, fan keeps blowing even after engine is off, fan turns on and off intermittently. Dual climate control.

What causes a Chevy blower motor to overheat?

Either of the above may cause the relay resistor module or wiring connector to overheat, resulting in one or more of the following symptoms: In very rare events, if the above symptoms are ignored, a fire could occur.

Why does the blower motor stay on all the time?

So fired up the truck and the HVAC unit was working fine set the temp and the fan speed that all works fine, but turn the key off the blower motor should quit right?? No not with this one stays on till I pull the 40amp fuse.. ??? You are going to need to inspect the wiring connector at the resistor and blower motor.

What can cause a / C blower motor to turn off?

My best guess would be that the blower motor may have bad bearings or other issues causing it to draw too much current, causing the overcurrent protection on the motor to kick in and shut the motor off.

The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air. The blower motor relay controls the current used to power the blower motor,…

Where can I get a new blower motor?

Its kinda a dealer item but call pep boy’s or auto or major parts store to make sure you cant special order it. here is a pdf of replacement and testing and location as promised. Was this answer helpful?

When to apply for GMC blower motor coverage?

For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after April 8, 2011 are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to April 8, 2011 must be submitted to the Service Contract provider.

How long does a Chevy blower motor stay on?

In very rare events, if the above symptoms are ignored, a fire could occur. This special coverage covers the condition described above for a period of 10 years or 240,000 km, whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership.

The HVAC blower in this 2003 Silverado stays on speed 5 even with the key off. Here’s how to turn speed 5 of the blower off (while keeping speeds 1-4) and hopefully this will save you from replacing the battery. NOTE: GM issued a special coverage policy for this problem which covers the repair for 10 years or 150k miles, whichever comes first.

Where is the relay on a blower motor?

That relay should be in the under hood fuse/relay box (under hood, left side, behind battery). Starting with the high speed relay, pull it out and see if the fan turns off. Replace the one that causes the fan to go off when removed. I have attached images to help you.

Why does my GMC blower motor keep running?

While driving today blower motor Kicked out, I turned up the fan speed and it kicked back in. Got to my destination, turned off the key and the blower kept running. Took my climate controls out and the fan continued to work, ended up pulling the 40amp fuse in the engine bay to shut it off so I don’t kill my battery.

That relay should be in the under hood fuse/relay box (under hood, left side, behind battery). Starting with the high speed relay, pull it out and see if the fan turns off. Replace the one that causes the fan to go off when removed. I have attached images to help you.

How does a blower motor reduce the speed of a fan?

In a vehicle equipped with a blower motor resistor, voltage is reduced by the value of the each resistor based on the position of the fan switch. The lower voltages result in lower fans speeds. The downside of blower motor resistors is that, in order to reduce voltage, a resistor converts the energy into heat.

This shuts the furnace down and prevents your thermostat from calling for more heat. If the furnace was in the middle of a heating cycle, wait 3 to 4 minutes for the blower fan to stop running. Did your furnace fan stop blowing?

Do you need a blower motor Resister for a Chevy Avalanche?

I was told to go buy a blower motor resister, come to find out they no longer sell the resister for the 2005 Chevy Avalanche. It has to be converted to a blower motor control module these days.

What to do if your engine fan won’t turn off?

13 people found this helpful. If the fan switches off by itself after about 10 minutes, it is working properly. MK4 (1999-2004.5) VWs have an after run feature to cool the engine after shut down if the coolant temperature is too high. 36 people found this helpful.

I was told to go buy a blower motor resister, come to find out they no longer sell the resister for the 2005 Chevy Avalanche. It has to be converted to a blower motor control module these days.

Where is the blower on a Chevy Silverado?

The first step is to lower the passenger side hush panel under the dash. There are three screws with 7 mm head on them. The one over the transmission hump is slightly difficult to remove and can be a SOB to install.

Why does my car blower motor not shut off?