GM Service Manual Online
For 1990-2009 cars only

Engine Coolant Thermostat Housing Replacement LLT


Object Number: 1979991  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement.
  2. Disconnect the engine coolant inlet pipe. Refer to Engine Coolant Inlet Pipe Replacement.
  3. Disconnect the radiator inlet and outlet hoses. Refer to Heater Inlet Hose Replacement and Heater Outlet Hose Replacement.
  4. Disconnect the outlet pipe from the thermostat housing. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement.

1

Thermostat Housing Bolt (Qty: 3)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
20 N·m (15 lb ft)

2

Engine Coolant Thermostat Housing