Chrysler PT Cruiser Service & Repair Manual page 1258

11 - 2 EXHAUST SYSTEM AND TURBOCHARGER
EXHAUST SYSTEM AND
TURBOCHARGER
DESCRIPTION - EXHAUST SYSTEM
The exhaust system components consist of a cata-
lytic converter, intermediate pipe, muffler, clamps
and support isolators (Fig. 1).
1 - CATALYTIC CONVERTER
2 - BAND CLAMP
3 - MUFFLER
DIAGNOSIS AND TESTING
EXHAUST SYSTEM DIAGNOSIS
CONDITION
EXCESSIVE EXHAUST
NOISE (UNDER HOOD)
Fig. 1 Exhaust System
POSSIBLE CAUSES
1. Exhaust manifold cracked or
broken.
2. Manifold to cylinder head leak.
3. Exhaust flex joint to manifold leak.
4. Exhaust flex joint.
5. Pipe and shell noise from front
exhaust pipe.
4 - INTERMEDIATE PIPE
5 - BAND CLAMP
1. Replace manifold.
2. Tighten manifold and/or replace gasket.
3.Tighten fasteners or replace gasket.
4. Replace catalytic converter assembly.
5. Characteristic of single wall pipes.
CORRECTION
PT