Upper Intake Manifold Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: Removing/Installing Upper Intake Manifold And Components

Courtesy of GENERAL MOTORS CORP.

Install the upper intake manifold gaskets and manifold.
Apply threadlock P/N 21485277 or equivalent to the upper intake manifold bolt threads.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the upper intake manifold bolts and stud.
Tighten: Tighten the upper intake manifold bolts and stud to 25 N.m (18 lb ft).
Install the exhaust gas recirculation (EGR) gasket and EGR.
Install the EGR bolts.
Tighten: Tighten the EGR bolts to 30 N.m (22 lb ft).
Reconnect the manifold absolute pressure (MAP) sensor.