Exhaust Manifold Replacement - Right (4.8L, 5.3L, and 6.0L Engines): Notes

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Exhaust Manifold Pipe Nuts

Courtesy of GENERAL MOTORS CORP.

Remove the ignition coils. Refer to IGNITION COILS .
Remove the spark plugs. Refer to SPARK PLUGS .
Raise and suitably support the vehicle. Refer to LIFTING & JACKING THE VEHICLE .
Remove the exhaust manifold pipe nuts.
Lower the vehicle.

Fig 2: Identifying Exhaust Gasket Recirculation Valve Pipe Bolts

Courtesy of GENERAL MOTORS CORP.

If equipped, remove the bolts (1, 2, and 3) attaching the exhaust gas recirculation (EGR) valve pipe to the following:
- Intake manifold
- Cylinder head
- Exhaust manifold
Remove the EGR valve pipe and gaskets, if equipped.
With mild force, pull the EGR valve pipe from the intake manifold.
Remove the O-ring seal from the EGR valve pipe, if equipped.
Discard the gasket and the O-ring seal.

Fig 3: View of Exhaust Manifold, Bolts, & Gasket

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust manifold bolts, manifold, and gasket.
Discard the gasket.

Fig 4: View of Heat Shield, Bolts, & Exhaust Manifold

Courtesy of GENERAL MOTORS CORP.

Remove the heat shield bolts (1), and shield (2) from the exhaust manifold (1), if necessary.
Clean and inspect the exhaust manifold. Refer to EXHAUST MANIFOLD CLEANING AND INSPECTION .