How do you replace a trailblazer fan clutch?

How to Replace a Trailblazer Fan Clutch. Drain at least 1 gallon of fluid from the radiator. This will prevent any spillage in the upcoming steps. Use needle-nose pliers to loosen the butterfly drain plug on the bottom of the radiator and let the fluid drain into a bucket. With the fluid drained, tighten the drain plug with the needle-nose pliers.

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.

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.

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.

Can a broken radiator fan clutch be repaired?

1A Auto shows you how to repair, install, fix, change or replace a broken radiator fan clutch. If your car overheats or runs hot and the radiator cooling fan will not turn on then this may be your solution. This video shows the process for the 02, 03, 04, 05, 06, 07 GMC Envoy, or Chevy Trailblazer.

How do you remove transmission line on 2002 TrailBlazer?

On 2002 model Trailblazers you will also have to remove 4 push pins that hold the baffle to the support. Disconnect the transmission lines from the support bracket by removing the hose clamps. Depending on the year of the vehicle, some clamps can be removed by hand and others will need to be removed with a Phillips-head screwdriver.

Can a malfunctioning fan clutch cause a car to overheat?

Specialty tools are needed to remove the fan clutch from the water pump. A malfunctioning fan clutch can cause the engine to overheat because of poorly circulating radiator fluid.

How do you reattach a transmission radiator?

Reattach the upper radiator hose and tighten down the hose clamps with the Phillips-head screwdriver. Reinstall the transmission cooler lines and reattach the electrical connection to the fan clutch. Refill the radiator fluid and hand-tighten the radiator cap. Check all the connections and make sure that all the pieces have been reinstalled.

How does a thermal 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. The valve releases heavy silicone fluid, which locks the fan blades to the fan pulley.

Specialty tools are needed to remove the fan clutch from the water pump. A malfunctioning fan clutch can cause the engine to overheat because of poorly circulating radiator fluid.

How do you remove the intake baffle on a trailblazer?

Remove the intake baffle by removing the bolts that attach it to the radiator support. On 2002 model Trailblazers you will also have to remove 4 push pins that hold the baffle to the support. Disconnect the transmission lines from the support bracket by removing the hose clamps.

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 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.

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.

How do you remove a fan from a clutch?

Remove the fan from the fan clutch by removing the 4 bolts on the backside of the fan. The bolts are 3/8-inch bolts. Install the fan to the new fan clutch and tighten down the bolts with the ratchet and a 5/8 socket. Note that the 5/8 nut may also be a 11/16 nut.

How do you tighten a water pump fan clutch?

Install the fan to the new fan clutch and tighten down the bolts with the ratchet and a 5/8 socket. Note that the 5/8 nut may also be a 11/16 nut. Install the fan clutch to the water pump housing and tighten down the clutch with the fan clutch wrench.

What do I need to know about the fan clutch in my car?

Listen out for a gentle roar from the fan clutch when you’re driving at least 50 miles per hour, as this can indicate that it’s binding or locking up. Next, locate the fan clutch bolted to the water pump in the engine compartment.

What should I do if my fan clutch is going bad?

Silicone fluid leaking from the fan clutch would cause this problem. When the engine is off, there are a few things you can do to check the fan clutch: Spin the fan. Electronic types might freewheel, but most fan clutches should spin with a little effort.

How does a torque limiting fan clutch work?

A torque-limiting fan clutch reacts to engine speed. A centrifugal valve opens to allow the flow of heavy silicone fluid, locking the fan blades to the pulley. At idle and low engine speeds, this fan clutch is fully engaged, gradually disengaging as engine speed increases.

What causes oil to come out of a fan clutch?

Run your finger along the edges of the bearing seal on the backside of the fan clutch. If it comes away with a heavy coating of oil, the culprit is either a crack or a faulty seal. Radial streaks are another potential clue—this happens when oil escapes from the clutch and is then blown outward in all directions by the fan.

How do you remove a water pump clutch?

Use the Phillips-head screwdriver and remove the hose clamps from each end of the hose. Remove the fan clutch from the water pump housing using a fan clutch wrench. This is a specialty tool that can be rented or purchased from any automotive store. Remove the fan clutch from the water pump housing.

Where is the water pump on a Chevy Trailblazer?

The water pump on your Chevy Trailblazer circulates engine coolant between the engine and radiator, and is one of the components powered by the drive belt. If the pump is damaged, leaking or not working in any way, the vehicle is likely to overheat.

How to remove the fan clutch on a Chevy Trailblazer?

Getting your fan clutch off is very easy and safe if you do it my way. Go to Oreilly’s and rent their fan puller kit. It is FREE. You get all your money back when you take the kit back in. Anyways, you will need 2 bolts to hold the pulley since GM does not have them on the factory pulley.

When to remove the fan clutch in a 2008 Ford truck?

Well I know this is an old post, now it is nearly June of 2016, and I need to remove the fan clutch in my 2008. I will cover what it took for this truck with nearly 140Kmiles to replace the power steering pump and radiator. The first attempt I replaced the power steering pump with the radiator installed, a la Ford manual method.

How to remove a fan from a Ford PowerStroke diesel?

Couldnt get mine off either (no air hammer). Def need air hammer Bump To Pass!! Screwdriver through the holes in the water pump pulley and a crescent wrench work every time. You may need to hit the end of the wrench with a hammer just to break it loose initially. As stated LEFT HAND THREADS!!!

Is it easier to remove radiator clutch or fan clutch?

As you have observed with last years posts in this thread the fan clutch can be a bit tricky to get out because that monster nut is left handed and it has been self tightening for many years. In my experience the radiator removal method takes less time and it is a lot easier to to get thing setup right.

How do you replace a trailblazer fan clutch?