General Exhaust System Replacement General
Removal Procedure
Caution: Always wear protective goggles and gloves when removing exhaust parts as falling rust and sharp edges from worn exhaust components could result in serious personal injury.
Installation Procedure
Notice: Replacement of exhaust system parts must be OEM standard to ensure that the vehicle operates as designed.
When installing the new exhaust parts check for proper system alignment. Rattles or noise vibrations in the exhaust system usually are caused by misaligned parts. When aligning the system, leave all bolts or the nuts loose until all the parts are properly aligned.Then tighten, working from the front to rear.
To maintain the exhaust system alignment, replace the following:
| • | Hangers |
| • | Hanger brackets |
| • | Clamps |
Notice: When jacking or lifting the vehicle from the frame side rails, be certain lift pads do not contact the three-way catalytic converter as damage to the converter will result.
Important: The following items are important to the exhaust system replacement.
• When service to the exhaust system requires removing or replacing
the oxygen sensor. Refer to in Engine Controls. • Exhaust system replacement parts must be to OEM standards to ensure
the vehicle operates as designed. • When installing the exhaust pipe to the exhaust manifold, always
use new nuts. Clean the exhaust manifold stud threads with a wire brush before
installing the new nuts. • When replacing a muffler, replace the tail pipe also.
