Sierra Classic 2500 4WD V8-8.1L (2007)
Fan Shroud: Service and Repair
Engine Coolant Fan Upper Shroud Replacement
Automatic Transmission
Engine Coolant Fan Upper Shroud Replacement (Automatic Transmission - Gasoline)
Removal Procedure
1. Loosen the air cleaner outlet duct clamps from the throttle body.
2. Loosen the air cleaner outlet duct clamps from the mass airflow sensor.
3. Remove the air cleaner outlet duct.
4. Remove the A/C line retainer from the fan shroud.
5. Remove the engine harness clip from the powertrain control module (PCM) cover.
6. Remove the transmission control module (TCM) cover bolts.
7. Remove TCM cover from the fan shroud.
