What was the problem with my Chevy Trailblazer fan?

The contact stated that the fan clutch was failing and sounded like a plane taking off when pressure was applied to the accelerator pedal. She first noticed the failure in July of 2008. The vehicle was taken to a mechanic, who stated that this was a common complaint for this type of vehicle.

Are there any problems with the Chevrolet TrailBlazer?

See all problems of the 2006 Chevrolet Trailblazer . The contact owns a 2003 Chevrolet Trailblazer. The contact stated that the fan clutch was failing and sounded like a plane taking off when pressure was applied to the accelerator pedal. She first noticed the failure in July of 2008.

Why is my Chevy Trailblazer making a roaring sound?

The contact owns a 2002 Chevrolet Trailblazer. While driving at any speed, the contact heard a loud roaring sound coming from the engine. Afterwards, the rpm’s will increase to 3 or 4 and remain there for a while before decreasing. A mechanic stated that the fan clutch needed to be replaced.

Are there any problems with the Chevy Trailblazer cooling fan?

Chevrolet Trailblazer owners have reported 60 problems related to cooling fan (under the engine and engine cooling category). The most recently reported issues are listed below. While highway driving with cruise control engaged I heard a loud whining sound and experienced a sudden loss of power.

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.

What was the problem with my 2003 Trailblazer?

This 2003 Chevrolet Trailblazer came in with the complaint that the blower would not work on any speed and that the Brake and ABS lights stay on. Since I have seen this problem before, I knew right where to go to test. then ignition switch.

Why is my Chevy Trailblazer making a ticking sound?

Through research online, the ticking sound is directly related to the fan clutch failure many gm Trailblazer and envoy owners have experienced. The fan operates at 100% due to the fan clutch failing resulting in loss of power. I too have experienced what is described by many as the “lear jet” sound.

What to do if your car fan is not working?

One way you can test your fan clutch is to put on a heavy glove and or use a heavy rag to try and physically stop the fan clutch. If you are able to stop it then that mean’s it is not locking properly which means it is no good.

What does the Chevy Trailblazer cooling fan sound like?

Loud roaring noise that sounds like a jet plane. Was intermittent, but now constantly. The noise is even louder when you accelerate. The fan is turning at an astronomical rate of speed and gas mileage now is only about 9 mpg. Right before this constant jet plane sound started, the battery blew up.

Are there any problems with the Chevy Trailblazer fan clutch?

After a few minutes of searching on the internet it is apparent that my problem is the fan clutch, TSB 060602003, NHTSA 10019510. It appears that thousands of owners are having the same problems and have been for years but there is still no recall.

Why does my air conditioner fan not work?

Heater/ac fan does not work on any setting or speed. All fuses ohm fine under… Heater/ac fan does not work on any setting or speed. All fuses ohm fine under hood and under rear seat What info are you needing? Hi and thanks for your question! There may a problem with the blower motor resistor/connector.

Why are my front vents on my Chevy Trailblazer not working?

Recently my front vents stopped working on my 2004 Chevy Trailblazer. I’ve tried to recalibrate by taking out the fuse, waiting a couple minutes, putting the fuse back in, turning the car to run, letting it go through its motions, but that didn’t work. The air blows cold, but it is only coming out at the feet, side vents and defrost.

Why is my Chevy Trailblazer making a loud fan noise?

Just as many other 2002 chevy Trailblazer owners have found, one day there was a loud fan noise when accelerating, reduced gas mileage, and a lack of ability to accelerate that lasts for about a mile. After a few minutes of searching on the internet it is apparent that my problem is the fan clutch, TSB 060602003, NHTSA 10019510.

Can a bad fan clutch cause an engine to overheat?

The second problem a fan clutch can have is the opposite problem. The clutch fails to engage no matter how hot the engine becomes. This condition will cause the engine to overheat because the fan fails to pull the necessary air through the radiator that cools the engine by the use of the systems coolant.

How can you tell when a fan clutch is going bad?

You should be able to audibly detect when the fan clutch engages, with an accompanying rush of air. At idle, as engine temperature increases, a thermal fan clutch will engage at a certain temperature. Torque-limiting fan clutches will disengage at a certain engine speed.

How does a fan clutch work on a radiator?

A thermal fan clutch reacts to temperature of the air rushing over it from the radiator. As the radiator heats up, the air passing through it also heats up. This heats up a small bi-metallic coil in the face of the fan clutch, releasing an internal valve.

What are the symptoms of a bad heater core?

When that happens, you’ll likely notice one or more of the following bad heater core symptoms: As you might guess, a faulty heater core can cause your car’s heater to perform poorly. Anything that impedes coolant flow through the core (i.e., an external leak or internal obstruction) can prevent the core from keeping the cabin toasty.

Why is my cooling fan not working on my Trailblazer?

Everytime my 2006 Trailblazer would be driven in the rain the check engine light would come on. The last time it would not go off so I took it in and they told me it was the cooling fan motor. While finding someone to work on it I discovered this is very common on this vehicle and it was 700. 00 to repair.

How can I tell if my heater core is leaking?

If the heater core and the rest of the cooling system are free from leaks, the pressure should hold. On the other hand, if the pressure drops rapidly, there is a leak somewhere. While the system is pressurized, you may be able to spot a heater core leak by looking for coolant under the dash and on the floorboard.