Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Apply a 2-3 mm (1/8 in) wide, by 0.5-1.5 mm (1/16 in) high bead of sealant, GM P/N 97720043 (Canadian P/N 88901148), or equivalent to the intake manifold.

Fig 1: Determining Sealant Bead Dimensions

Courtesy of GENERAL MOTORS CORP.

Install the intake manifold.

Fig 2: View Of Intake Manifold (Left)

Courtesy of GENERAL MOTORS CORP.

Install the intake manifold bolts/nuts.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the intake manifold bolts/nuts in the sequence shown.
Tighten: Tighten the bolts/nuts to 21 N.m (15 lb ft).

Fig 3: Intake Manifold Bolt Tightening Sequence (Left)

Courtesy of GENERAL MOTORS CORP.

Install the intake manifold tube. Refer to Intake Manifold Tube Replacement (Federal Emissions) or Intake Manifold Tube Replacement (California Emissions) .
Install the left fuel rail. Refer to Fuel Rail Assembly Replacement - Bank 2 in Engine Controls - 6.6 L.
Install the turbocharger. Refer to Turbocharger Replacement .