buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

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Park Avenue V6-231 3.8L VIN L SFI (1993)

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damage to the valve.

2.

Lubricate the IAC valve O-ring with clean engine oil.

3.

Install the IAC valve assembly.

4.

Install the IAC valve attaching screws, and tighten to 3.0 Nm (27 in lb).

5.

Connect the IAC valve electrical connector.

6.

START the engine and allow it to reach operating temperature.

NOTE:  No physical adjustment of the IAC valve assembly is required after installation.  The IAC valve is reset by the PCM when the ignition is turned
ON, and then OFF.

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