Intake Air Heater: Service and Repair

Intake Air Heater Replacement

Removal Procedure

1. Disconnect the negative battery cable.
2. Remove the charge air cooler outlet pipe.




3. Remove the nut and the positive cable from the intake air heater (IAH).




4. Disconnect the air intake heater electrical connector.




5. Remove the 4 intake air heater bolts and remove the IAH and pipe and discard the IAH gasket.

Installation Procedure





Notice: Refer to Fastener Notice.

1. Position the IAH and pipe, using a NEW IAH gasket. Install the 4 IAH bolts.

Tighten the IAH bolts to 20 N.m (15 lb ft).




2. Connect the air intake heater electrical connector.




3. Position the positive cable and install the nut.

Tighten the positive cable nut to 4 N.m (34 lb in).

4. Install the charge air cooler outlet pipe.
5. Connect the negative battery cable.