How to Replace Radiator Cooling Fan Blade 02-09 GMC Envoy XL
Difficulty: Advanced · About 75 min · Gmc Envoy
Replace the radiator cooling fan blade and clutch on a 2002-2009 GMC Envoy XL.
Tools you will need
- Adjustable wrench
- 13mm socket
- Flat blade screwdriver
- 15mm socket
- T30 driver
- Fan clutch wrench
- Ratchet
Parts and supplies
- Radiator cooling fan blade
- Fan clutch
Steps
- Remove the air intake hose
Loosen its hose clamps with a flat blade screwdriver, remove the air box's T30 Torx screw, then pull the intake hose up and out.
- Remove the serpentine belt
Familiarize yourself with the belt's routing, fit a 15mm socket and ratchet into the tensioner, turn it to pull the belt off the center pulley, release the tensioner, then pull the belt off by hand.
- Remove the old fan
Loosen the fan's four 13mm bolts and retighten them by hand, fit a fan clutch wrench into the pulley and an adjustable wrench to loosen the clutch, hold the pulley and twist the fan to start backing the clutch off the shaft, remove the four 13mm bolts, shake the fan loose from the clutch, twist the water pump pulley while holding the clutch to free the fan, lift the fan and clutch up, disconnect the wiring harness, pry out the retaining clip, then reach behind the fan to remove it with the clutch.
- Install the new fan
Seat the clutch in the fan with the harness facing the driver's side, lower the fan and clutch into place with the smooth side forward, push the clutch through the fan and onto the water pump pulley, reconnect the wiring harness, push the retaining clip back in, turn the pulley to thread the clutch on, line the fan up on the clutch, insert and tighten the four 13mm bolts, then twist the clutch on as far as it will go and snug it with the fan clutch wrench and adjustable wrench.
- Reinstall the serpentine belt
Loop it around the crankshaft, water pump, power steering and idler pulleys and the tensioner, pull the tensioner clockwise with the 15mm socket and ratchet, release it, then double check the belt is seated on every pulley.
- Reinstall the air intake hose
Insert it into place, tighten its two hose clamps with a flat blade screwdriver, then insert and tighten the T30 Torx bolt.
Check your vehicle’s repair manual for exact specifications and fit.