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Engine Coolant Thermostat Housing Installation

    Caution: Refer to Engine Coolant Thermostat Housing Caution in the Preface section.

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

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  3. Install the engine coolant thermostat housing (2).

    4. Caution: Refer to Fastener Caution in the Preface section.

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

  4. Install the 4 engine coolant thermostat housing bolts (3) and tighten to 2 N·m (18 lb in).

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

  5. Tighten the 4 engine coolant thermostat housing bolts to 8 N·m (71 lb in) in sequence (1-2-3-4).

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  6. Install the engine coolant thermostat housing retainer (1).
  7. Install the engine coolant thermostat housing retainer nut (4) and tighten to 6 N·m (53 lb in).
   


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