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.
- Install the intake manifold tube with NEW gaskets.
- Install the intake manifold tube bolts/nuts.NOTE: Refer to Fastener Notice in Cautions and Notices.
- Tighten the intake manifold tube bolts/nuts in the order shown.
Tighten: Tighten the bolts/nuts to 9 N.m (80 lb in).
- Install the EGR cooler bracket.
- Install the EGR and cooler.
- Install the EGR cooler bracket bolts.
- Install the EGR bolts and nuts.
Tighten:
- Tighten the bolts to 20 N.m (15 lb ft).
- Tighten the nuts to 19 N.m (14 lb ft).
- Install the EGR cooling hose.
- Install the EGR cooling hose clamps.
- Install the following fuel pipes and wiring harnesses:
- The main fuel pipes. Refer to Quick Connect Fitting(s) Service (Metal Collar) in Engine Controls-6.6 L.
- The fuel junction block. Refer to Fuel Junction Block Replacement in Engine Controls--6.6 L.
- The fuel hoses to the FICM and the FICM wiring harness. Refer to Fuel Injection Control Module Replacement in Engine Controls-6.6 L.
- The fuel pipes to the left fuel rail. Refer to Fuel Rail Assembly Replacement - Bank 2 in Engine Controls-6.6 L.
- Install the intake air heater and gasket, if required.
Tighten: Tighten the heater to 50 N.m (37 lb ft).
- Install the intake air heater terminal and nut.
Tighten: Tighten the nut to 4 N.m (35 lb in).
- Install the turbocharger boost sensor with bracket.
- Disconnect the wire terminal to the intake air heater.
- Install the turbocharger boost sensor bracket bolt.
Tighten: Tighten the bolt to 10 N.m (89 lb in).