GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2009
🢒
STS
🢒
Engine
🢒
Engine Mechanical - 4.4L
🢒 Charge Air Cooler Coolant Pump Replacement
Special Tools
J 38185
Hose Clamp Pliers
Removal Procedure
Drain the charge air cooling system. Refer to
Charge Air Cooling System Draining and Filling
.
Using the
J 38185
, disengage clamp tension and disconnect the pump outlet hose from the pump.
Using the
J 38185
, disengage clamp tension and disconnect the pump inlet hose from the pump.
Disconnect and reposition the pump electrical connector.
Remove the pump mounting nuts.
Open the pump retaining clamps.
Remove the pump.
Installation Procedure
Install the pump.
Close the pump retaining clamps.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the pump mounting nuts and tighten to
16 N·m (12 lb ft)
.
Connect the pump electrical connector.
Using the
J 38185
, disengage clamp tension and connect the pump inlet hose onto the pump.
Using the
J 38185
, disengage clamp tension and connect the pump outlet hose onto the pump.
Fill the charge air cooling system. Refer to
Charge Air Cooling System Draining and Filling
.