K 2500 Yukon XL 4WD V8-8.1L VIN G (2001)
Exhaust Manifold: Service and Repair
Exhaust Manifold Replacement - Left
Exhaust Manifold Replacement- Left
Removal Procedure
1. Remove the wheelhouse panel.
2. Remove the secondary air injection (AIR) pipe nut from the fuel rail stud, if equipped.
3. Remove the AIR pipe bolts from the exhaust manifold, if equipped.
4. Disconnect the AIR pipe from the AIR pump pipe, if equipped.
5. Remove the AIR pipe, if equipped.
6. Remove and discard the AIR pipe gasket, if equipped.
Important: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire
or the wire could be damaged.
7. Remove the spark plug wires from the spark plugs and ignition coils.
8. Remove the spark plugs.
