Jeep XJ. Manual — part 326
Crankshaft and Water Pump Pulley Holder VM. 1017
Cylinder Head Bolt Wrench M12 VM. 1018
Cylinder Head Bolt Wrench M14 VM. 1019
Cylinder Leakage Tester Adapter VM. 1021
Fig. 81 Top Dead Center Tool VM. 1043
9 - 52
ENGINE
XJ
SPECIAL TOOLS (Continued)
2000 JEEP CHEROKEE
EXHAUST SYSTEM
CONTENTS
page
page
DESCRIPTION AND OPERATION
CATALYTIC CONVERTERS . . . . . . . . . . . . . . . . . . 4
EXHAUST SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . 1
MUFFLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TAILPIPE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DIAGNOSIS AND TESTING
EXHAUST SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . 5
REMOVAL AND INSTALLATION
CATALYTIC CONVERTER—EARLY BUILD. . . . . . . 7
CATALYTIC CONVERTER—LATE BUILD . . . . . . . . 8
EXHAUST PIPE—EARLY BUILD . . . . . . . . . . . . . . 6
EXHAUST PIPE—LATE BUILD . . . . . . . . . . . . . . . 7
HEAT SHIELDS . . . . . . . . . . . . . . . . . . . . . . . . . . 12
MUFFLER AND TAILPIPE—EARLY BUILD . . . . . . 9
MUFFLER AND TAILPIPE—LATE BUILD . . . . . . 10
SPECIFICATIONS
TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . . . 12
DESCRIPTION AND OPERATION
EXHAUST SYSTEM
DESCRIPTION
The basic exhaust system consists of exhaust man-
ifold(s), exhaust pipe with oxygen sensors, catalytic
converter(s), heat shield(s), muffler and tailpipe (Fig.
1) (Fig. 2) (Fig. 3) (Fig. 4) (Fig. 5) (Fig. 6)
Fig. 1 Exhaust Pipe—2.5L Early Build
1 – NUT
2 – TRANSMISSION SUPPORT
3 – MINI CATALYTIC CONVERTER
4 – EXHAUST PIPE
5 – EXHAUST MANIFOLD
Fig. 2 Exhaust Pipe—2.5L Late Build
1 – EXHAUST MANIFOLD
2 – TRANSMISSION SUPPORT
3 – EXHAUST FLANGE JOINT
4 – EXHAUST PIPE
5 – MINI CATALYTIC CONVERTER
6 – NUT
XJ
EXHAUST SYSTEM
11 - 1
2000 XJ Service Manual
Publication No. 81-370-0046
TSB 26-03-00
March, 2000
Fig. 4 Exhaust Pipe—4.0L Late Build
1 – NUT
2 – EXHAUST MANIFOLD
3 – EXHAUST FLANGE JOINT
4 – TRANSMISSION SUPPORT
5 – EXHAUST FLANGE JOINT
6 – EXHAUST PIPE
7 – MINI CATALYTIC CONVERTER
Fig. 5 Exhaust System—Typical 2.5L and 4.0L Early Build
1 – STUD
2 – TAIL PIPE HANGER
3 – CLAMP
4 – ISOLATOR
5 – BOLT
6 – TAIL PIPE HANGER
7 – NUT
8 – MUFFLER
9 – CLAMP
10 – CATALYTIC CONVERTER
11 – HEAT SHIELD
Fig. 3 Exhaust Pipe—4.0L Early Build
1 – NUT
2 – EXHAUST MANIFOLD
3 – TRANSMISSION SUPPORT
4 – EXHAUST PIPE
5 – MINI CATALYTIC CONVERTER
6 – BOLT
11 - 2
EXHAUST SYSTEM
XJ
DESCRIPTION AND OPERATION (Continued)
2000 XJ Service Manual
Publication No. 81-370-0046
TSB 26-03-00
March, 2000
Fig. 6 Exhaust System—Typical 2.5L and 4.0L Late Build
1 – HEAT SHIELD
2 – STUD
3 – BOLT
4 – TAILPIPE HANGER
5 – ISOLATOR
6 – TAILPIPE HANGER
7 – CLAMP
8 – NUT
9 – MUFFLER
10 – FLANGE JOINT
11 – CATALYTIC CONVERTER
12 – NUT
XJ
EXHAUST SYSTEM
11 - 3
DESCRIPTION AND OPERATION (Continued)
2000 XJ Service Manual
Publication No. 81-370-0046
TSB 26-03-00
March, 2000
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