Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exhaust Manifold Bolt Tightening Sequence -- Left Side

Courtesy of GENERAL MOTORS CORP.

Install the a NEW exhaust manifold gasket onto the manifold studs.
Position a NEW exhaust pipe gasket between the exhaust manifold and exhaust pipe. Align the tab on the gasket to face outward.
Install the exhaust manifold onto the studs.

NOTE: Refer to Fastener Notice .

Install and tighten the exhaust manifold bolts and nuts in the sequence shown.
Tighten:
- Tighten the bolts/nuts to 57 N.m (42 lb ft).
- Tighten the 4 center bolts/nuts an additional pass to 57 N.m (42 lb ft).

Fig 2: Exhaust Pipe To Exhaust Manifold Bolt Tightening Sequence -- Left Side

Courtesy of GENERAL MOTORS CORP.

Install and tighten the exhaust pipe to exhaust manifold bolts in the sequence shown (1, 2, and 3).
Tighten: Tighten the bolts to 53 N.m (39 lb ft).

Fig 3: View Of Exhaust Manifold Heat Shield & Bolts

Courtesy of GENERAL MOTORS CORP.

Position the exhaust manifold heat shield (2) to the manifold and install the bolts (1).
Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig 4: View Of EGR Cooler Pipe & Lower Bolt

Courtesy of GENERAL MOTORS CORP.

Position the EGR cooler pipe (2) to the oil cooler.
Install the EGR cooler pipe lower bolt (1) at the oil cooler.
Tighten: Tighten the bolt to 9 N.m (80 lb in).
Lower the vehicle.

Fig 5: View Of EGR Cooler Pipe Bracket Upper Bolt

Courtesy of GENERAL MOTORS CORP.

Install the EGR cooler pipe bracket upper bolt (1).
Tighten: Tighten the bolt to 9 N.m (80 lb in).
Install the glow plug control module. Refer to Glow Plug Control Module Replacement .
Install the charge air cooler inlet pipe. Refer to Charge Air Cooler Inlet Pipe Replacement .
Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .