Sierra Classic 3500 4WD V8-8.1L (2007)
Exhaust Manifold: Service and Repair
Exhaust Manifold Replacement - Left Side
Exhaust Manifold Replacement - Left Side (8.1L Engine)
Removal Procedure
1. Remove the wheelhouse panel.
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.
2. Remove the spark plug wires from the spark plugs and ignition coils.
3. Remove the spark plugs.
4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
5. Remove the exhaust manifold heat shield bolts and nuts.
6. Remove the left exhaust manifold heat shield.
7. Lower the vehicle.
8. Remove the exhaust manifold bolt and nuts.
9. Remove the exhaust manifold.
