oldsmobile Workshop Repair Guides

Oldsmobile Workshop Service and Repair Manuals

Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] > < SIR - Operating Vehicle with Warning Light On|Page 2568
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    On Type 1, exert a firm pressure on conical valve to retract it.
    On Type 2, while turning valve in clockwise rotation, compress retaining spring from conical valve. Return spring to original position with straight
part of spring end aligned with flat surface of valve.

1.

Install IAC valve in throttle body using new gasket. Torque IAC valve to 13 ft. lbs.

2.

Connect IAC valve electrical connector.

3.

Start engine and allow to reach operating temperature.

Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] > < SIR - Operating Vehicle with Warning Light On|Page 2568