Why is my Chevy Silverado 2500 not working?

While there are a variety of reasons your Chevrolet Silverado 2500 HD air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?

When to replace PCM on 2001 Chevy Silverado?

PCM replacement on 2001 Silverado 2500 HD. This procedure covers 99-06 – 07 Classic GM Trucks. Procedure also works on the GM Full Size SUV Line from 00-06. We sell Programmed to vin with the latest GM Calibrations PCM / ECM for plug and play replacement. We stock and carry a large variety of part numbers for the GMT-800 series.

How to replace ambient light sensor 14-19 Chevy Silverado?

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. 1A Auto offers high-quality parts online with fast and free shipping and thousands of how-to videos.

Where was the 2004 Chevy Silverado 2500HD last serviced?

1st owner drove an estimated 13,621 miles/year • 2nd owner drove an estimated 10,140 miles/year • 3rd owner drove an estimated 8,888 miles/year. Last serviced at 178,455 miles in Sevierville, TN on 03/26/19 • Vehicle serviced. Mileage: 194,602 miles Body Type: Pickup Color: Silver Engine: 8 Cyl 6.0 L No accident or damage reported to CARFAX.

What kind of engine does a Chevy Silverado 2500HD have?

Equipped with a standard 6.0-liter V8, the 2004 Chevy Silverado 2500HD comes available in Base, LS and LT trim levels. If you’re interested in additional hauling power, you can opt for a gas-powered 8.1-liter V8 or a diesel-powered Duramax turbo V-8.

Is there a 2004 Chevy Silverado for sale?

Silver Birch Metallic 2004 Chevrolet Silverado 2500HD LS 4WD 4-Speed Automatic HD with Overdrive Vortec 6.0L V8 SFI Recent Arrival! Odometer is 67692 miles below market average! One Low Price. Plain & Simple. Always! Can’t make it to the store? Shop online and we deliver!

Is the Chevy Silverado 2500 a good truck?

Strong Diesel, great 5 speed Allison. This Duramax Diesel has been a great truck. It easily towed a 30 foot fifth wheel trailer Very comfortable seats. Was this review helpful? Yes | No 2004 Chevrolet Silverado 2500 HD Crew Cab Specs & Features Based on lowest-priced style.

Why is the AC not working on my Duramax?

If you push the recirculate and a/c snowflake button together at the same time the temp will refresh immediately. There’s some kind of delay built into the temp display to avoid temp probe heat soak situations when the engine has been off for less than a couple of hours.

What happens when a Duramax engine goes down?

Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet. The failure is most common in higher horsepower engines, but can still occur in moderately modified and even stock power plants.

Why is my AC not working on my Chevy Silverado?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My A/C Working? What are common reasons my Chevrolet Silverado 2500 HD has air conditioning problems?

Are there any problems with the Duramax engine?

The failure is most common in higher horsepower engines, but can still occur in moderately modified and even stock power plants. Not specific to one version of Duramax in particular (ex: LB7, LLY, LBZ, LMM or LML), the problem exists across all generations.

What causes a Duramax injection pump to fail?

As a result (allegedly), the lack of lubrication in the fuel can cause a premature failure of the injection pump, to a point where it won’t allow the LML Duramax to run. You can be driving down the road and everything seems normal, and when the pump fails, the truck just shuts off.

Is the GMC Duramax compatible with diesel fuel?

The Detroit News reports that GM is now facing a class-action suit alleging its 6.6-liter Duramax engine found in 2011-2016 Chevrolet and GMC models is not compatible with US diesel fuel.

What is the temperature control on a GMC CK truck?

Power is routed back out to Pin 7 through a 3.8 ohm resistor and the Max AC switch, but on a 1500 truck Pin 7 is not used. The Blend (temperature) door control is powered directly from +12V via Pin 5.

Why is my climate control unit no longer working?

It was no longer used after 1999, due partly to unreliability, and partly due to upgrades to newer technology. The most common problems with this vintage of AC Delco climate control systems are failure of ventilation door servos, and failures of the control unit. This document pertains to the control unit.

What to do about HVAC issues on a Chevy Silverado?

If you’ve noticed the control issues happening after disconnecting the battery or having repair work done, then the quickest fix is to recalibrate the HVAC. Turn the ignition off. Find the three HVAC fuses; Two are under the hood and one is in the cab fuse box.

Why is my 4wheel drive not working on my Chevy truck?

I have a 03 Chevy 1500. And when i bought it the guy who had it said the 4wheel drive module had gone out not sure but I have gone around on different forms looking and reading and I tried a few of them things, but they haven’t worked.

How to fix a Chevy Silverado dual climate control problem?

An expert who has achieved level 1. An expert that has 1 follower. An expert that has over 10 points. An expert whose answer got voted for 2 times. Take battery cable off for 5 mins, then put battery cable back on.

What kind of air conditioner does a Chevy Silverado have?

The air conditioning does not blow cold. 2015 silverado with 55k. Do not hear the ac compressor kick in when ac button pushed. Hissing noise overheard when it does decide to work.

What to do if your a / C won’t turn on?

Have someone watching the A/C compressor while you start the truck and turn the A/C on. If the compressor cycles on, turn it off. You now just narrowed it down to either low refrigerant or a bad pressure switch. Cut your fingernails. That’s not me. And spell your name right. There’s two T’s in Matthew. Unless people wipe their feet on your face.

When did the Chevy C / K go out of production?

After the 2000 model year, the fourth-generation C/K was discontinued and was replaced by the GMT800 platform (introduced for 1999); heavy-duty chassis cabs remained in production through 2002. In line with the GMC Sierra, Chevrolet adopted a singular Chevrolet Silverado nameplate for its full-size truck line (which remains in use).

What kind of engine does a C / K pickup truck have?

At its 1988 launch, the fourth-generation C/K pickup trucks shared its five-engine powertrain offering with the R/V series. On 1500 series vehicles, a 4.3 L Vortec V6 was standard, with the options of a 5.0 L V8, 5.7 L V8 and a 6.2 L diesel V8.

Why do I have no brakes on my Duramax?

When I dropped the truck I had no brakes, no power steering. So I figured I must had fried the power steering pump and replaced it once again. 3rd pump I installed I took the same steps and bled the system. When I dropped the truck again I had no power steering or brakes even with the 3rd new pump.

Why is my Hydroboost not working on my Chevy Duramax?

He said something about the reman pumps that just dont work well with hydroboost. He told me they finaly gave up and called the Chevy dealer up the road and replaced the reman pump with a brand spanking new GM quality pump. After they installed the pump he said they bled it for maybe 30sec and could tell a diference.

When was the last serviced Chevy Silverado 2500HD?

1st owner drove an estimated 19,052 miles/year • 2nd owner drove an estimated 26,204 miles/year • 3rd owner drove an estimated 0 miles/year • 4th owner drove an estimated 17,144 miles/year. Last serviced at 293,464 miles in Kokomo, IN on 03/29/21 • Vehicle serviced • Electrical system checked.

Why is my Chevy Silverado 2500 HD blowing hot air?

When the air conditioner in your 2005 Chevrolet Silverado 2500 HD starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.

Where did the 2002 Chevy Silverado 2500HD come from?

1st owner purchased on 04/25/02 and owned in PA until 10/30/03 • 2nd owner purchased on 10/30/03 and owned in PA until 04/06/11 • 3rd owner purchased on 04/06/11 and owned in WV until 03/29/21. 1st owner drove an estimated 0 miles/year • 2nd owner drove an estimated 9,080 miles/year • 3rd owner drove an estimated 5,523 miles/year.

What kind of Flasher do I need for my Silverado?

If you want to replace all of your exterior lights on your NBS Silverado (mine is a 2005 2500HD – it may work for other models, but I am not sure) with LEDs, this flasher will help, but it won’t completely solve the hyper flashing problem.

Why is my Chevy Silverado heater not working?

The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor. It is entirely possible for your Silverado’s heater to work just fine even when the air conditioner is not blowing cold at all.

Why is my Chevy Silverado not blowing cold air?

One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Chevy Silverado isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening.

How to fix a Chevy Silverado climate control problem?

This initiates a re calibration of climate control equipment and actuators. It will fix your problem. You can’t post conmments that contain an email address. My passenger seat is stuck in recline. It is electric and a 2007 Chevrolet Silverado.. It worked laying down but now will not come up.

Why does my AC keep blowing hot air?

Recently when running the AC, it will randomly begin blowing hot air instead of cold. No matter what I try, the only proven way to get cold air to blow again is to shut the engine off, wait around 5 seconds, then crank back up. After doing this everything seems to work fine for a week or so…then the AC starts blowing hot air again.

Are there any problems with my 2003 Duramax?

Thaks for the help. injectors,water pump,headgaskets,injectors again,instrument cluster,steering shaft,pinion seal,and injectors again. I have on 03 with 66,000 on it and know problems. Friend of mine has 03 asmost same truck and know problems with 145,000 on it. Sure love mine. P:S Injectors should be warrantied to 200,000.

How long can a Duramax go out of service?

This special policy covers the condition described above for a period of 7 years or 200,000 miles (320,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. The repairs will be made at no charge to the customer.

When to submit a repair order for a 2003 Duramax?

Claims with repair orders prior to May 25, 2004 must be submitted to the Service Contract provider. For 2003 vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after October 10, 2006 are covered by this special policy and must be submitted using the labor operation codes provided with this bulletin.

Why does my Chevy Silverado keep blowing hot air?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I would check the charge in the system. You might be just a little low on refrigerant. (Low enough to intermittantly trip the “Low-pressure” switch.)

What’s the outside temp on my Silverado Sierra?

I performed an instant update on the ambient air temperature sensor, as described in the last paragraph of this post. The temperature on the DIC went from 47F to 66F. The actual outside temperature was 56F. I then drove the truck for a couple of miles and the temperature went down from 66F to 56F.

What’s the temp sensor on my Chevy Silverado?

It had been years since the compass/temp displayed in the rear view mirror of my 2003 chevy Silverado 2500 hd. it was confirmed I had power to the mirror. I sent my mirror off “to be fixed” and plugged it in at soon as I got it back.

What to do if your Chevy Silverado has a heater problem?

With engine off, unplug air flow control module, replug in… can hear actuator motor running. Seems to cycle to “an end”, then return… motor runs a few seconds, then will not respond to any further commands unless unplugged and replugged. ’06 Chevrolet Silverado 2500 Duramax: Vents won’t switch properly at all.

What is the air flow sensor on a Chevy Silverado?

Shop AutoZone for Chevrolet Silverado 2500 HD Mass Air Flow Sensor. 0.0 out of 5 stars. 0.0 out of 5 stars. Notes: Sensor only. Upper 0.0 out of 5 stars.

Can a bad MAF sensor leave a Chevy Silverado running rough?

A bad mass airflow sensor can leave your Chevy Silverado’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold.

Why do I need a computer in my Chevy Silverado?

The computers in the car are also known as ECUs or electronic control units. The features of the automotive networks are controlling the engine or transmission, rolling up windows, unlocking doors, etc. So, to have a smooth working of these functions, you need an automotive computer in your Chevy Silverado.

What kind of car is a 2003 Chevy Silverado?

Consumer Ratings Rank Vehicles HP #1 2003 Dodge Ram 1500 Regular Cab 305 #2 2003 Chevrolet Silverado 2500 Regular Ca 300 #3 2003 Chevrolet Silverado 1500 Regular Ca 270 #4 2004 Ford F250 Super Duty Regular Cab 260

Is the Chevy Silverado 2500 HD crew cab?

Strong Diesel, great 5 speed Allison. This Duramax Diesel has been a great truck. It easily towed a 30 foot fifth wheel trailer Very comfortable seats. Was this review helpful? Yes | No 2003 Chevrolet Silverado 2500 HD Crew Cab Specs & Features Based on lowest-priced style. Safety information is currently not available for this vehicle.

Why does my Chevy Tahoe stop blowing cold air?

As it turns out, the AC system in Escalade, Silverado, Sierra, Yukon, Suburban, and Tahoe trucks stops working and ceases blowing cold air because of a defective bracket design affecting the A/C compressor and condenser line.

Is the air conditioner on my GMC truck not working?

CCMS HAS ENDED ITS INVESTIGATION INTO THIS ISSUE. If you own a GMC or Chevrolet vehicle, you may have noticed that the air conditioning is not…well…working. You are not alone, as a number of consumers have complained that their GMC and Chevrolet vehicles pumped out only hot air.

Why is the clutch on my AC not working?

If both of those work, then you likely have an electrical issue in the HVAC controls. Check to see if you ground the pressure switch wire and the AC clutch kicks on (check the resistance on the switch).

When did my GMC Sierra air conditioner stop working?

I had a 2001 GMC Sierra that did this when truck was less the one year old (summer of 2001 is when it was). The dealer had the truck in the shop idling for a long time and the A/C worked perfectly. I told them to take it for a ride and see. So the service manager in an effort to convince me nothing was wrong went for a ride with me driving.

Why is my Chevy Silverado 2500 not working?