Exhaust Manifold Removal - Left Side C/K/G/C3500HD

1. Remove the secondary air injection pipe nut from the fuel injection fuel rail stud (if applicable).
2. Remove the secondary air injection pipe bolts from the left exhaust manifold (if applicable).
3. Disconnect the secondary air injection pipe from the secondary air injection pump pipe (if applicable).
4. Remove the secondary air injection pipe (if applicable).




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.

5. Remove the left spark plug wires from the spark plugs and ignition coils.



6. Remove the left exhaust manifold heat shield bolts and nuts.
7. Remove the left exhaust manifold heat shield.



8. Remove the left exhaust manifold nuts and center bolt.
9. Remove the left exhaust manifold.
10. Remove the left exhaust manifold gasket.



11. Remove the left spark plugs.



12. Remove the exhaust manifold studs, if necessary.

Exhaust Manifold Removal - Left Side Medium Duty

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.

1. Remove the left spark plug wires from the spark plugs and ignition coils.



2. Remove the left exhaust manifold heat shield nuts.
3. Remove the left exhaust manifold heat shield.



4. Remove the left exhaust manifold nuts and center bolt.
5. Remove the left exhaust manifold.
6. Remove the left exhaust manifold gasket.



7. Remove the left spark plugs.



8. Remove the exhaust manifold studs, if necessary.