Hombre S Regular Cab 4WD V6-4.3L (1999)
11. Remove the fender wheelhouse extension.
12. Disconnect the spark plug wires from the spark plugs.
13. Remove the nuts holding the secondary air injection (AIR) pipe to the exhaust manifold, if equipped.
14. Remove the AIR pipe and gasket from the exhaust manifold.
15. Remove the exhaust manifold bolts and the stud.
16. Lower the vehicle.
17. Remove the exhaust manifold and the spark plug wire shields from the engine.
18. Clean all gasket surfaces.
Installation
1. Sub-assemble the spark plug wire shields, bolts, and NEW gaskets to the exhaust manifold.
The stud installs in the front hole.
2. Raise the vehicle to the proper height.
3. Install the exhaust manifold to the engine.
4. Connect the spark plug wires to the spark plugs.
