Intake Manifold Installation - Upper

WARNING: This page is about a different car, the 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Install the upper intake manifold gaskets.

Fig 1: Installing Upper Intake Manifold, Gaskets & Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
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).
Install the EGR valve pipe and bolt to the EGR.
Tighten

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

Fig 2: Installing EGR Valve, Pipe & Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
Install the EGR valve.
Install the EGR valve bolts.
Tighten

Tighten the EGR valve bolts to 25 N.m (18 lb ft).
Install the map sensor bracket and bolts.
Tighten

Tighten the MAP sensor bracket bolts to 25 N.m (18 lb ft).

Fig 3: Installing MAP Sensor, Bolts & Bracket
Courtesy of GENERAL MOTORS CORP.
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.
Install the vacuum lines to the upper intake manifold.

Fig 4: Installing Vacuum Lines To Upper Intake Manifold
Courtesy of GENERAL MOTORS CORP.
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).