Domestic

REMOVAL PROCEDURE




1. Remove the rear seat cushion.

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

2. Disconnect the negative battery cable.
3. Disconnect the IAT sensor connector (1) from the IAT sensor.
4. Remove the Mass Air Flow (MAF) sensor (2).

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5. Disconnect the transaxle vent hose (4) from the clip (3).

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6. Remove the throttle body.
7. Remove the throttle body spacer bolts from the throttle body spacer (3).

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8. Disconnect the EGR pipe at throttle body spacer.

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9. Disconnect the crankcase ventilation pipe at the throttle body spacer.
10. Remove the throttle body spacer (3) and gasket (2) from the intake manifold (4).
11. Clean the throttle body gasket surfaces.
12. Clean the throttle body spacer gasket surfaces.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Cautions and Notices.

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1. Install the throttle body spacer (3)

Tighten
Tighten the throttle body spacer attaching bolts to 12 N.m (106 lb in).

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2. Connect the EGR pipe to the throttle body spacer.

Tighten
Tighten the EGR pipe bolt to 28 N.m (21 lb ft).

3. Connect the crankcase ventilation pipe at the throttle body spacer.

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4. Install the new gasket (2) and throttle body (1).

Tighten
Tighten the throttle body attaching bolts to 12 N.m (106 lb in).

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5. Connect the transaxle vent hose (4) to clip (3).




6. Reinstall the MAF sensor and intake air duct as an assembly.
7. Connect the IAT sensor connector (1) from the IAT sensor.
5. Connect the negative battery cable.
9. Install the rear seat cushion.
10. Check and add coolant as necessary. Long life coolant must meet GM Specification 6277-M. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.