Charge Air Cooler Coolant Reservoir Replacement for Cadillac STS 2008

Tools Required

J 38185 Hose Clamp Pliers

1. Remove the RH underhood sight shield. Refer to Intake Manifold Sight Shield Replacement.

Important: Draining the coolant from the system is not necessary. Use an absorbent shop towel at the hose connection to absorb any minor leakage. Ensure the coolant does not make contact with any other components.

2. Using the J 38185 , disengage clamp tension and disconnect the overflow hose from the reservoir.
3. Remove the reservoir mounting nuts.
4. Remove the reservoir.

1. Install the reservoir.

Notice: Refer to Fastener Notice in the Preface section.

2. Install the reservoir mounting nuts.

Tighten
Tighten the nuts to 9 N·m (80 lb in).

3. Using the J 38185 , disengage clamp tension and connect the overflow hose onto the reservoir.
4. Install the RH underhood sight shield. Refer to Intake Manifold Sight Shield Replacement.
5. Inspect the level of the charge air cooling system and fill as necessary. Refer to Charge Air Cooling System Coolant Level Inspection.