Jeep cherokee 2000 Service Manual page 812

11 - 2 EXHAUST SYSTEM
DESCRIPTION AND OPERATION (Continued)
1 – STUD
2 – TAIL PIPE HANGER
3 – CLAMP
4 – ISOLATOR
5 – BOLT
6 – TAIL PIPE HANGER
CATALYTIC CONVERTERS
DESCRIPTION
California emissions vehicles incorporate two mini
catalytic converters into the exhaust system. These
catalytic converters are made of stainless steel
designed to operate at extremely high temperatures.
The stainless steel catalytic converter body is
designed to last the life of the vehicle. Excessive heat
can result in bulging or other distortion, but exces-
Fig. 3 Exhaust System—Typical
7 – NUT
8 – MUFFLER
9 – CLAMP
10 – CATALYTIC CONVERTER
11 – HEAT SHIELD
sive heat will not be the fault of the converter. If
unburned fuel enters the converter, overheating may
occur. If a converter is heat-damaged, correct the
cause of the damage at the same time the converter
is replaced. Also, inspect all other components of the
exhaust system for heat damage.
Unleaded gasoline must be used to avoid con-
taminating the catalyst core.
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