Dodge 2000 DURANGO Service Manual page 708

11 - 6 EXHAUST SYSTEM
REMOVAL AND INSTALLATION (Continued)
Fig. 10 Muffler Removal/Installation
1 – CATALYTIC CONVERTER WITH PIPE
2 – REAR MUFFLER HANGER
3 – MUFFLER
4 – CLAMP
TAILPIPE
WARNING: IF TORCHES ARE USED WHEN WORK-
ING ON THE EXHAUST SYSTEM, WEAR PROTEC-
TIVE EYE COVERING AND DO NOT ALLOW THE
FLAME NEAR THE FUEL LINES.
CAUTION: When servicing or replacing exhaust
system components, be sure to disconnect all oxy-
gen sensor connectors. Allowing the exhaust sys-
tem to hang by the harness will damage the wiring
and/or sensor.
REMOVAL
(1) Disconnect battery negative cable.
(2) Raise vehicle on hoist.
(3) Disconnect tailpipe from rear hanger bracket
(Fig. 11).
(4) Remove muffler to tailpipe exhaust clamp (Fig. 11).
(5) Heat connection with an oxygen/acetylene torch
and twist tailpipe out of muffler.
INSTALLATION
(1) Install tailpipe to muffler. Install exhaust
clamp and start nuts by hand.
(2) Connect tailpipe hanger.
(3) Align tailpipe and tighten exhaust clamp nuts
to 42 N·m (31 ft. lbs.).
(4) Lower vehicle and connect battery negative cable.
(5) Start engine and check for exhaust leaks.
Fig. 11 Tailipipe Removal/Installation
1 – MUFFLER
2 – TAILPIPE HANGER INSULATOR
3 – TAILPIPE HANGER
4 – TAILPIPE
5 – CLAMP
HEAT SHIELDS
REMOVAL
(1) Raise and support the vehicle.
(2) Remove the screws and nuts holding the heat
shields to the frame and floor pan (Fig. 12) (Fig. 13)
(Fig. 14). When removing muffler heat shield, the
muffler front and rear support hangers must be
removed first (Fig. 15). Be sure to disconnect both
oxygen sensor connectors.
(3) Slide the shield out around the exhaust system.
INSTALLATION
(1) Position the heat shields to the floor pan or the
frame and install the screws and nuts.
(2) Tighten the screws/nuts to 7 N·m (60 in. lbs.)
torque. Tighten the muffler hangers to 23 N·m (200
in. lbs.)
(3) Lower the vehicle.
DN