DeVille DTS V8-4.6L VIN 9 (2002)
Exhaust Pipe: Service and Repair
Exhaust Manifold Pipe Replacement - Front
Exhaust Manifold Pipe Replacement- Front
Removal Procedure
Caution: Refer to Exhaust Service Caution in Service Precautions.
Caution: Refer to Protective Goggles and Gloves Caution in Service Precautions.
1. Remove the rear exhaust manifold pipe.
2. Remove the transaxle assembly.
3. Remove the 2 bolts attaching the left exhaust manifold to the front exhaust manifold pipe.
4. Remove the bolt (1) securing the front exhaust manifold pipe (2) to the crankcase.
5. Remove the nut securing the coil cassette ground wire to the cylinder head.
6. Remove the bolt (3) securing the front exhaust manifold pipe (2) to the cylinder head.
Important: The EGR valve inlet pipe incorporates a crush seal connection at the water crossover. The EGR valve inlet pipe must be replaced if
disconnected from the water crossover.
7. Disconnect the EGR inlet pipe nut from the front exhaust manifold pipe (2).
8. Remove the front exhaust manifold pipe (2).
9. Remove the front exhaust manifold pipe seal from the left exhaust manifold. Do not reuse the seal.
10. Remove the exhaust manifold flange retainer.
Installation Procedure
Notice: Refer to Exhaust System Inspection Notice in Service Precautions.
