Intake Manifold Installation - 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: View Of Upper Intake Manifold, Gaskets, Bolts & Stud

Courtesy of GENERAL MOTORS CORP.

Install the upper intake manifold gaskets.
Install the upper intake manifold.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the upper intake manifold bolts and studs. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the threads.
Tighten: Tighten the upper intake manifold bolts and studs to 25 N.m (18 lb ft).

Fig 2: EGR Valve Pipe & Bolt

Courtesy of GENERAL MOTORS CORP.

Install the EGR valve pipe and bolt to the EGR.
Tighten: Tighten the EGR valve pipe bolt to 25 N.m (18 lb ft).
Install the EGR valve.
Install the EGR valve bolts.
Tighten: Tighten the EGR valve bolts to 25 N.m (18 lb ft).

Fig 3: MAP Sensor Electrical Connector, Bracket & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the MAP sensor bracket and bolts.
Tighten: Tighten the MAP sensor bracket bolts to 25 N.m (18 lb ft).
Install the MAP sensor.
Install the MAP sensor bolts.
Tighten: Tighten the MAP sensor bolts to 5 N.m (44 lb in).
Install the MAP sensor electrical connector.

Fig 4: Installing Vacuum Lines To Upper Intake Manifold

Courtesy of GENERAL MOTORS CORP.

Install the vacuum lines to the upper intake manifold.
Install the throttle cable bracket.
Install the throttle cable bracket bolts.
Tighten: Tighten the throttle cable bracket bolts to 13 N.m (115 lb in).