Diesel Data: Automotive Repair

Auxiliary Air Valve (Idle Speed): Service and Repair

Intake Air Bypass Control Thermal Valve Replacement

1. Remove the engine cover.




2. Remove the air intake duct (A).
3. Disconnect the hoses (B).
4. Remove the intake air bypass control thermal valve (C).
5. Install the parts in the reverse order of removal.

NOTE: Position the valve angle as shown.