buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Throttle Cable/Linkage > < Throttle Body Coolant Cavity Cover|Page 3577
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Throttle Body: Service and Repair
Idle Air / Vacuum Signal Housing

Idle Air / Vacuum Signal Housing

REMOVE 

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Idle Air Control (IAC) Valve

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Idle Air / Vacuum Signal Housing screws.

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Idle Air / Vacuum Signal Housing assembly and gasket.

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Discard gasket.

CLEAN

Gasket mounting surfaces to ensure a good seal.

CAUTION:  Use care in cleaning old gasket material from machined aluminum surfaces. Sharp tools may damage sealing surfaces.

INSTALL

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Idle Air / Vacuum Signal Housing gasket.

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Idle Air / Vacuum Signal Housing

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Idle Air / Vacuum Signal Housing screws.

Tighten

Idle Air / Vacuum Signal Housing screws (starting in the center and moving outward) to 3.4 Nm (30 lb in)

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Idle Air Control (IAC) Valve

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Electrical connector.

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Vacuum harness connector.

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Negative battery terminal.

Throttle Cable/Linkage > < Throttle Body Coolant Cavity Cover|Page 3577