Procedures

Supercharger Cooling System Draining, Filling and Bleeding

NOTE:
Cooling system partial drain and refill is used on all supercharger cooling procedures.
1 Disconnect the battery ground cable. For additional information, refer to Specifications Battery and Charging System
2 Remove the engine cover. For additional information, refer to Engine Cover - 4.2L, Vehicles With: Supercharger
3 Connect the battery ground cable. For additional information, refer to Specifications Battery and Charging System




4
CAUTION: Engine coolant will damage the paint finished surfaces. If spilt, immediately remove the coolant and clean the area with water.
CAUTION: Damage to the charge air cooler coolant pump will occur if the pump is allowed to cavitate.
NOTE:
With the ignition key turned to position II the charge air coolant pump will run, to aid coolant bleed. Make sure the charge air coolant pump is primed prior to running the pump.
Top-up and bleed the supercharger cooling system.
- Remove the coolant expansion tank cap.
- Loosen the coolant expansion tank bleed screw.
- Turn the ignition key to position II.
- Add coolant to the expansion tank as required.
5 When a clear thread of coolant runs from the expansion tank, tighten the bleed screw.
6 Check and top-up the coolant.
- Turn the ignition switch to the OFF position.
- Install the coolant expansion tank cap.
7 Install the engine cover. For additional information, refer to Engine Cover - 4.2L, Vehicles With: Supercharger