Installation Procedure

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

NOTE: Refer to Fastener Notice in Cautions and Notices.

If removed, install the ECT sensor.
Tighten: Tighten the ECT sensor to 25 N.m (18 lb ft).

Fig 1: Water Outlet Housing, Bolt & Stud

Courtesy of GENERAL MOTORS CORP.

If removed, install the thermostat, the gasket, and the water outlet housing.
Install the water outlet housing bolt and the stud.
Tighten: Tighten the bolt and the stud to 27 N.m (20 lb ft).

Fig 2: Intake Manifold Gaskets

Courtesy of GENERAL MOTORS CORP.

Install the intake manifold gaskets.
Apply sealer, GM P/N 12346286 (Canadian P/N 10953472) or equivalent, to the ends of the intake seals.
Install the lower intake manifold seals.

Fig 3: Lower Intake Manifold, Bolts & Seals

Courtesy of GENERAL MOTORS CORP.

Align the coolant bypass tube with the opening in the manifold. Install the lower intake manifold.
Install the lower intake manifold bolts.
Tighten: Tighten the lower intake manifold bolts from the center to the outside in sequence to 15 N.m (11 lb ft).
Connect the ECT sensor electrical connector.

Fig 4: EGR Outlet Pipe & Lower Intake Manifold

Courtesy of GENERAL MOTORS CORP.

Install the EGR outlet pipe (1) to the lower intake manifold.
Install the EGR outlet pipe bolt (2).
Tighten: Tighten the bolt to 29 N.m (21 lb ft).

Fig 5: Radiator Inlet Hose

Courtesy of GENERAL MOTORS CORP.

Install the radiator inlet hose to the water outlet housing. Refer to Radiator Hose Replacement - Inlet (L26 L32) in Engine Cooling.
Install the supercharger. Refer to Supercharger Replacement .
Fill the cooling system. Refer to Draining and Filling Cooling System (L26 and L32) in Engine Cooling.
Inspect for fluid or vacuum leaks.