Without RPO NC1 or NF7

Exhaust Manifold Removal - Left Side (W/O RPO NC1 or NF7)




1. Remove the oxygen sensor (1) and inspect the sensor for excessive deposits or damage. Replace the oxygen sensor if necessary.




2. Remove the exhaust manifold to exhaust intermediate pipe bolts (3).
3. Remove the exhaust manifold bolts (6).
4. Remove the exhaust manifold (2).

Note: DO NOT reuse the exhaust manifold to exhaust intermediate pipe gasket.

5. Remove and discard the exhaust manifold to exhaust intermediate pipe gasket (5).

Note: DO NOT reuse the exhaust manifold gasket.

6. Remove and discard the exhaust manifold gasket (1).




7. Remove the exhaust gas recirculation (EGR) valve inlet pipe bolt from the water crossover.




8. Disconnect the EGR valve inlet pipe nut (1) from the fitting on the exhaust intermediate pipe.




9. Remove and discard the EGR valve inlet pipe.




10. Remove the engine rear lift bracket bolts.
11. Remove the engine rear lift bracket.




12. Remove the exhaust intermediate pipe bolts.




13. Remove the exhaust intermediate pipe.




14. If equipped, remove the left coolant heater (1) as follows:

1. Remove the coolant heater bolt.
2. Remove the coolant heater from the cylinder block.