Exhaust Manifold Replacement - Right (5.3L Engine): Notes

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
Remove the exhaust manifold pipe nuts.
Lower the vehicle.
Remove the spark plugs. Refer to SPARK PLUGS .

Fig 1: Removing Exhaust Manifold Pipe Nuts - Right (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.
Remove the heat shield bolts, and shield from the exhaust manifold.
Remove the exhaust manifold bolts, manifold, and gasket.
Discard the gasket.
Clean and inspect the exhaust manifold. Refer to EXHAUST MANIFOLD CLEANING AND INSPECTION .

Fig 2: Removing Exhaust Manifold Bolts, Manifold, & Gasket - Right (5.3L Engine)
Courtesy of GENERAL MOTORS CORP.