Installation Procedure

Fig 1: Throttle Body Gasket And Intake Manifold

Courtesy of GENERAL MOTORS CORP.

Fig 2: Throttle Body, Brackets, Fasteners And Gasket

Courtesy of GENERAL MOTORS CORP.

Install the throttle body (2) onto the intake manifold with the 3 fasteners (3).
Install the throttle body bracket (4) and the 2 bolts to the throttle body.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the 5 throttle body fasteners.
Tighten: Tighten the fasteners to 30 N.m (22 lb ft).
Install the manifold support bracket (1) to the throttle body with 2 bolts.
Tighten the 2 fasteners.

Tighten: Tighten the fasteners to 30 N.m (22 lb ft).
Install the accelerator control cable bracket (5) to the throttle body with 2 bolts.
Tighten the 2 fasteners.

Tighten: Tighten the fasteners to 13 N.m (10 lb ft).

Fig 3: Throttle Body And Components

Courtesy of GENERAL MOTORS CORP.

Connect the 2 coolant hoses (2) to the throttle body (6).
Connect the PCV breather hose (1) to the throttle body (6).
Connect the IAC valve electrical connector (5).
Connect the TP sensor electrical connector (3).
Install the air inlet duct (4).
Refill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.

Fig 4: Engine Cover, Nuts, And Bolts

Courtesy of GENERAL MOTORS CORP.

Install the engine cover (1) to the engine.
Secure the engine cover (1) with the 2 nuts.
Tighten: Tighten the fasteners to 7 N.m (62 lb in).
Install the 2 retainers to the engine cover.