Exhaust Manifold: Removal
WARNING: This page does not describe the selected car, but rather 55 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Yukon, 1999 GMC Suburban, 1999 GMC Sonoma, and 1999 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
Remove negative battery cable. Remove interior engine cover (if equipped). Remove oil level indicator tube (7.4L). Remove spark plugs from cylinder head. Remove EGR tube from exhaust manifold and intake manifold (left side). Raise and support vehicle. Disconnect O2 sensors. Disconnect exhaust pipes from exhaust manifolds. Lower vehicle. Remove exhaust manifold bolts and studs. Remove exhaust manifold heat shields. Remove exhaust manifold and gaskets.