Intake Air Duct: Service and Repair
REMOVAL PROCEDURE1. Disconnect the negative battery cable.
2. Disconnect electrical connector at IAT sensor.
3. Remove the IAT sensor if necessary.
4. Loosen retaining clamps at the throttle body and at the air filter box.
5. Disconnect brake booster vacuum hose at intake manifold and at brake booster.
6. Remove retaining nut at the intake air duct bracket at top of valve cover.
7. Disconnect the intake air duct from the throttle body and at the air filter box.
INSTALLATION PROCEDURE
1. Connect the intake air duct at the throttle body and at the air filter box. Make sure retaining hole is inserted to the intake air duct bracket.
2. Tighten retaining clamp at the throttle body and at the air filter box.
3. Install a nut to the intake air duct bracket and tighten.
4. Connect brake booster vacuum hose to intake manifold and to brake booster and secure them with clamps.
5. Install IAT sensor if necessary.
6. Connect electrical connector at IAT sensor.
7. Connect the negative battery cable.
IMPORTANT: Use an identical replacement part in order to replace a valve. IAC valve pintle shape and diameter are designed for the specific application.