Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Dodge Dakota 2000-2001.2003.2005 Approved Dodge Dakota 2000 00AN_11
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AN EXHAUST SYSTEM 11 - 1
EXHAUST SYSTEM
TABLE OF CONTENTS
page page
DESCRIPTION AND OPERATION CATALYTIC CONVERTER. . . . . . . . . . . . . . . . . . . . 5
EXHAUST SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . 1 EXTENSION PIPE . . . . . . . . . . . . . . . . . . . . . . . . . 6
CATALYTIC CONVERTER. . . . . . . . . . . . . . . . . . . . 1 MUFFLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
MUFFLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 TAILPIPE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
TAILPIPE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 HEAT SHIELDS . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
EXHAUST HEAT SHIELDS . . . . . . . . . . . . . . . . . . 1 CLEANING AND INSPECTION
DIAGNOSIS AND TESTING EXHAUST PIPE . . . . . . . . . . . . . . . . . . . . . . . . . . 10
EXHAUST SYSTEM DIAGNOSIS. . . . . . . . . . . . . . 3 CATALYTIC CONVERTER. . . . . . . . . . . . . . . . . . . 10
REMOVAL AND INSTALLATION SPECIFICATIONS
EXHAUST PIPE . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . . . 10
DESCRIPTION AND OPERATION OPERATION
The catalytic converter captures and burns any
EXHAUST SYSTEM unburned fuel mixture exiting the combustion cham-
bers during the exhaust stroke of the engine. This
DESCRIPTION process aids in reducing emissions output.
CAUTION: Avoid application of rust prevention MUFFLER
compounds or undercoating materials to exhaust
system floor pan exhaust heat shields. Light over- DESCRIPTION
spray near the edges is permitted. Application of All engines use a stainless steel muffler to control
coating will result in excessive floor pan tempera- exhaust noise levels and exhaust back pressure.
tures and objectionable fumes.
TAILPIPE
The gasoline engine exhaust system consists of
engine exhaust manifolds, exhaust pipes, catalytic DESCRIPTION
converter(s), extension pipe (if needed), exhaust heat The tailpipe is made of stainless steel and attaches
shields, muffler and exhaust tailpipe. to the muffler.
The exhaust system must be properly aligned to
prevent stress, leakage and body contact. Minimum OPERATION
clearance between any exhaust component and the The tailpipe channels the exhaust out of the muf-
body or frame is 25.4 mm (1.0 in.). If the system con- fler and out from under the vehicle to control noise
tacts any body panel, it may amplify objectionable and prevent exhaust gas fumes from entering the
noises from the engine or body. passenger compartment.
CATALYTIC CONVERTER EXHAUST HEAT SHIELDS
DESCRIPTION DESCRIPTION
California emissions vehicles equipped with 2.5L or There are two types of heat shields used. One is
4.7L engines, incorporate mini catalytic converters stamped steel the other is molded foil sheets. The
into the exhaust system. These catalytic converters shields attach to the vehicle around the exhaust sys-
are made of stainless steel designed to operate at tem to prevent heat from the exhaust system from
extremely high temperatures. entering the passenger area and other areas where
the heat can cause damage to other components.
11 - 2 EXHAUST SYSTEM AN
DESCRIPTION AND OPERATION (Continued)
Fig. 1 Exhaust System 2.5L Engines--Typical
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