How to Tell if My Fan Clutch Is Bad

How to Replace a Trailblazer Sports fan Clutch

by Leave Chandler

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The fan clutch is responsible for pushing radiator fluid through the water pump, which keeps the engine cool. Specialty tools are needed to remove the fan clutch from the water pump. A malfunctioning fan get hold of can cause the engine to overheat because of unwell circulating radiator fluid. Although this installation is a challenging process, following the instructions that issue forth from a repair manual such Eastern Samoa the Haynes manual can make the process a great deal easier.

Step 1

Remove the intake baffle past removing the bolts that attach it to the radiator support. Happening 2002 posture Trailblazers you will as wel have to remove 4 push pins that hold the baffle to the back up.

Step 2

Disconnect the transmission lines from the documentation bracket by removing the hose clamps. Depending on the year of the vehicle, some clamps terminate be removed aside hand and others will pauperism to be removed with a Phillips-head screwdriver.

Step 3

Disconnect the clutch physical phenomenon connections with your bridge player. This connection is placed next to the radiator fan shroud.

Step 4

Drain at least 1 congius of fluid from the radiator. This will prevent any spillage in the upcoming steps. Function needle-scent out pliers to loosen the coquet drain plug connected the bottom of the radiator and let the fluid drain into a bucket. With the fluid exhausted, constrain the drain secure with the needle-nose pliers.

Step 5

Take out the superior radiator hose and wipe raised any excess graceful that might give birth spilled. Use the Phillips-head screwdriver and polish of the hose clamps from all end of the hosepipe.

Step 6

Remove the fan clutch from the water heart lodging victimisation a rooter hold wrench. This is a specialisation tool that sack cost rented or purchased from any automotive store.

Step 7

Remove the devotee clasp from the piddle pump housing. With some models you may stimulate to remove the radiator rooter shroud. If you mustiness remove the shroud, unbolt the cover from the radiator by using a socket on the four bolts. They should be 1/2-in bolts; a rigidly is located in each nook of the shroud.

Step 8

Remove the buff from the fan clutch by removing the 4 bolts on the nates of the fan. The bolts are 3/8-inch bolts.

Ill-use 9

Instal 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.

Step 10

Install the fan clutch to the water pump caparison and tighten falling the clutch with the buff clutch wrench. Reinstall the lover shroud and tighten down the 4 bolts that hold it in property. Reattach the upper radiator hose and tighten down the hose clamps with the Phillips-chief screwdriver.

Step 11

Reinstall the transmission cooler lines and reattach the electrical connecter to the fan clutch. Refill the radiator fluid and hand-fasten the radiator cap.

Assay all the connections and pretend sure that all the pieces have been reinstalled. Make predestined that the fan clutch is tightened down to the specifications in the manual, and that totally the hose down clamps are tight.

References

Things You'll Need

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How to Tell if My Fan Clutch Is Bad

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