Envoy 2WD L6-4.2L (2008)
Water Pump: Service and Repair
Water Pump Replacement
Special Tools
J 38185 Hose Clamp Pliers
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (LL8) (See: Service and Repair)Cooling System Draining and Filling
(LH6, LS2) (See: Service and Repair) .
2. Loosen the air cleaner outlet duct clamps at the following locations:
*
Throttle body
*
Mass air flow (MAF)/intake air temperature (IAT) sensor
3. Remove the air cleaner outlet duct bolt and duct.
4. Remove the accessory drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Accessory () for the 5.3L/6.0L engine.
5. Remove the cooing fan and shroud. Refer to Cooling Fan and Shroud Replacement (See: Radiator Cooling Fan/Service and Repair) .
6. Using the J 38185 , reposition the inlet hose clamp at the water pump.