Exhaust Manifold Installation

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

Inspect the exhaust manifold bolt studs for tight fit.
Inspect the exhaust manifold bolt stud threads. Rework if necessary.
Clean sealing surfaces. Remove all remains of old gasket material.
Install a NEW exhaust manifold gasket (4).

Fig 1: Exhaust Manifold Heat Shield Spacer
Courtesy of GENERAL MOTORS COMPANY
Install the exhaust manifold (3).
Install the 9 exhaust manifold heat shield spacer (2).
Install 9 NEW exhaust manifold nuts (1).
CAUTION: Refer to Fastener Caution .
Tighten the 9 exhaust manifold nuts in a sequence to 33 N.m (24 lb ft).

Fig 2: Exhaust Manifold Nuts In Sequence
Courtesy of GENERAL MOTORS COMPANY