Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Engine Coolant Thermostat Housing Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Cooling / Thermostat / Engine Coolant Thermostat Housing Installation

    Caution:

    Refer to Engine Coolant Thermostat Housing Caution.

  1. Clean sealing surface.
  2. Install a NEW engine coolant thermostat housing seal.

  3. Install the engine coolant thermostat housing (2).
  4. Caution:

    Refer to Fastener Caution.

    Note:

    Screw in the 4 bolts until the engine coolant thermostat housing is in contact with the cylinder head.

  5. Install the 4 engine coolant thermostat housing bolts (3) and tighten to 2 Y (18 lb in)

    .



  6. Caution:

    Following the proper fastener tightening sequence and torque is essential. Failure to do so may fracture the thermostat housing.

  7. Tighten the 4 engine coolant thermostat housing bolts to 8 Y (71 lb in)

    in sequence (1?E?E?E).



  8. Install the engine coolant thermostat housing retainer (1).
  9. Install the engine coolant thermostat housing retainer nut (4) and tighten to 6 Y (53 lb in)

    .

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