Thermostat Housing: Removal

WARNING: This page is about a different variant/trim than selected.

NOTE: Removal steps in this procedure may contain installation details.

Drain the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
- Disconnect the electrical connector and detach the wiring harness retainer.
- Remove the nuts and position the auxiliary heater pump aside.
  Torque: 53 lb.in (6 Nm)
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NOTE: Cover the accessory drive belts to prevent coolant contamination of the belts.

Completely cover the accessory drive belts with waterproof plastic.
- Release the clamps and disconnect the coolant hoses.
  Use the General Equipment: Hose Clamp Remover/Installer
- If equipped, disconnect the block heater electrical connector and detach the wiring harness retainer.
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NOTE: Do not allow the coolant inlet pipe to come out of the coolant crossover manifold assembly or the coolant inlet pipe O-ring seal may be damaged.

NOTE: Use the ear on the top of the coolant inlet pipe to prevent the coolant pipe from coming out of the coolant crossover manifold assembly.

Remove the bolts and the thermostat housing.

Torque:

Stage 1: 71 lb.in (8 Nm)

Stage 2: 45°

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Inspect the O-ring seal and replace if necessary.

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