Intake Air Heater: Service and Repair

REMOVAL PROCEDURE




1. Loosen the outlet duct clamp at the upper intake manifold cover.
2. Remove the upper intake manifold cover from the outlet duct.
3. Remove the upper intake manifold cover.
4. Remove the intake air heater harness connector nut.
5. Remove the intake air heater from the inlet pipe.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.




1. Install the intake air heater in the inlet pipe.

Tighten
Tighten the intake air heater to 50 N.m (37 lb ft).

2. Connect the intake air heater harness connector.

Tighten
Tighten the air intake heater electrical nut to 5 N.m (44 lb in).

3. Install the upper intake manifold cover.
4. Install the upper intake manifold cover to the outlet duct.
5. Tighten the outlet duct clamp at the upper intake manifold cover.

Tighten
Tighten the clamp to 6 N.m (53 lb in).