Condition
|
Action
|
Refer to
Hot Exhaust System Warning
.
DEFINITION: An exhaust leak may show stains at the area of the leak. The leak may be felt by holding a hand close to the suspected areas or using a smoke pencil. The leak may make a popping or hissing noise.
Refer to
Symptoms - Engine Exhaust
prior to beginning this table.
|
Misaligned or improperly installed exhaust system components
|
•
|
Ensure the exhaust hangers are in the proper locations and not loose.
|
|
Exhaust leaks at the following connections:
•
|
Exhaust manifold to pipe
|
|
Tighten the components to the specifications. Refer to
Fastener Tightening Specifications
.
|
Seals or gaskets leaking;
•
|
Exhaust manifold to cylinder head
|
•
|
Exhaust pipes to exhaust manifold
|
•
|
Catalytic converter connection
|
|
Replace the leaking seal or gasket. Refer to the affected components procedure for service.
|
Irregularities at the mating surfaces on the flange connections
|
Repair as required or replace the affected component. Refer to the affected components procedure for service.
|
Catalytic Converter cracked or broken
|
Replace the catalytic converter. Refer to
Catalytic Converter Replacement - Left Side (LF1)
or
Catalytic Converter Replacement - Right Side (LF1)
.
|
Exhaust system component connection welds leaking
|
Replace the leaking component. Refer to the affected component's procedure for service.
|
Muffler or resonator, if equipped, damaged or leaking at the seams
|
Replace the affected muffler or resonator, if equipped. Refer to
Exhaust Muffler Replacement (LAU)
Exhaust Muffler Replacement (LF1)
.
|