Intake Manifold Cleaning and Inspection - Upper

WARNING: This page is about a different car, the 2003 Chevrolet Monte Carlo and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Accelerator Control Cable Bracket, Bolts & Nut

Courtesy of GENERAL MOTORS CORP.

Remove the accelerator control cable bracket bolts (1, 2) and the nut (3).
Remove the accelerator control cable bracket.

Fig 2: View Of Throttle Body

Courtesy of GENERAL MOTORS CORP.

Remove the throttle body bolt and stud.
Remove the throttle body.
Remove the throttle body gasket.

Fig 3: Inspecting Intake Manifold

Courtesy of GENERAL MOTORS CORP.

Clean the intake manifold gasket surfaces.
Clean the intake manifold bolts and studs.
Inspect the intake manifold mating surfaces for nicks or cracks.
Replace the intake manifold if damaged.

Fig 4: View Of Throttle Body

Courtesy of GENERAL MOTORS CORP.

Install the throttle body gasket.
Install the throttle body.
Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the threads.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the throttle body bolt and stud.
Tighten: Tighten the throttle body bolt and stud to 25 N.m (18 lb ft).

Fig 5: Accelerator Control Cable Bracket, Bolts & Nut

Courtesy of GENERAL MOTORS CORP.

Install the accelerator control cable bracket.
Install the accelerator control cable bracket bolts and nut.
Tighten: Tighten the accelerator control cable bracket bolts in sequence (1, 2, 3) to 10 N.m (89 lb in).