Exhaust Manifold: Service and Repair

REMOVAL

REAR EXHAUST MANIFOLD
1. Raise vehicle and remove the entire exhaust system.






2. Remove bolts attaching cross-under pipe to manifolds. Remove assembly.






3. Remove heat shield from rear exhaust manifold.
4. Remove power steering pump bracket.






5. Remove nuts attaching rear manifold to cylinder head and remove manifold.

FRONT EXHAUST MANIFOLD
1. Remove cooling fan module.
2. Raise vehicle and remove bolts attaching cross under pipe to manifold.
3. Remove oil dipstick tube.
4. Lower vehicle.
5. Remove generator support bracket.
6. Remove screws attaching front heat shield to manifold.
7. Remove front exhaust manifold attaching fasteners.
8. Remove front exhaust manifold.

INSTALLATION

REAR EXHAUST MANIFOLD
1. Position new exhaust manifold gasket onto rear cylinder head.
2. Install the rear exhaust manifold and tighten attaching nuts to 30 Nm (22 ft. lbs.).
3. Install rear exhaust manifold heat shield and tighten fastener to 13 Nm (115 inch lbs.).
4. Install power steering pump bracket to engine.
5. Install exhaust system. Refer to Exhaust System for procedure.
6. Attach cross-under pipe to exhaust manifold and tighten fasteners to 31 Nm (275 inch lbs.).

FRONT EXHAUST MANIFOLD
1. Position new exhaust manifold gasket onto front cylinder head.
2. Install front exhaust manifold and tighten attaching nuts to 30 Nm (22 ft. lbs.).
3. Install front manifold heat shield and tighten attaching screws to 13 Nm (115 inch lbs.).
4. Install generator support bracket.
5. Install cooling fan module. Refer to Cooling System for procedure.
6. Raise vehicle.
7. Install oil dipstick tube.
8. Attach cross-under pipe to exhaust manifold and tighten fasteners to 31 Nm (275 inch lbs.).