GM Service Manual Online
For 1990-2009 cars only

Engine Coolant Thermostat Replacement 1.6L LXV

Removal Procedure

  1. Open the hood.
  2. Raise the vehicle by its full height. Refer to Lifting and Jacking the Vehicle.
  3. Place collecting basin underneath.
  4. Drain the cooling system. Refer to Cooling System Draining and Filling.
  5. Lower the vehicle by its full height.

  6. Object Number: 2027554  Size: SH
  7. Loosen the radiator inlet hose clamp (4).
  8. Remove the radiator inlet hose (3) from the engine coolant thermostat (5).

  9. Object Number: 2028006  Size: SH
  10. Remove the 4 engine coolant thermostat bolts (4).
  11. Remove the engine coolant thermostat socket (3).
  12. Remove the engine coolant seal (2).
  13. Remove the engine coolant thermostat (1).

Installation Procedure

  1. Clean the engine coolant sealing surfaces.

  2. Object Number: 2028006  Size: SH
  3. Install the engine coolant thermostat (1).
  4. Install the engine coolant seal (2).
  5. Install the engine coolant thermostat socket (3).
  6. Install the 4 engine coolant thermostat bolts (4).

  7. Object Number: 2027554  Size: SH
  8. Install the radiator inlet hose (3) to the engine coolant thermostat (5).
  9. Install the radiator inlet hose clamp (4).
  10. Fill the cooling system. Refer to Cooling System Draining and Filling.
  11. Close the hood.

Engine Coolant Thermostat Replacement 2.0L Diesel LLW


Object Number: 2028321  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement.
  2. Remove the radiator inlet hose. Refer to Radiator Inlet Hose Replacement.

1

Thermostat Housing Bolt (Qty: 2)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
23 N·m (17 lb ft)

2

Thermostat Housing Bolt

Tighten
8 N·m (71 lb in)

3

Thermostat Housing

4

Thermostat Housing Seal

5

Thermostat

Tip
Consider the correct installation position of the thermostat.