GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 70064  Size: SH
  1. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement for the 3.5L (LX9) engine.
  2. Remove the throttle body assembly. Refer to Throttle Body Assembly Replacement .
  3. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  4. Use the J 38185 in order to reposition the hose clamp from the thermostat housing.
  5. Remove the radiator inlet hose from the thermostat housing.
  6. Remove the thermostat housing bolts.

  7. Object Number: 30962  Size: SH
  8. Remove the thermostat housing .

Installation Procedure


    Object Number: 30962  Size: SH
  1. Install the thermostat housing.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the thermostat housing bolts.
  4. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 70064  Size: SH
  5. Install the radiator inlet hose to the thermostat housing.
  6. Use the J 38185 in order to reposition and install the hose clamp to the thermostat housing.
  7. Install the throttle body assembly. Refer to Throttle Body Assembly Replacement .
  8. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement for the 3.5L (LX9) engine.
  9. Fill the cooling system. Refer to Cooling System Draining and Filling .