Dakota R/T 2WD V8-5.9L VIN Z (1998)
Muffler: Service and Repair
CAUTION: When servicing or replacing exhaust system components, disconnect the oxygen sensor connector(s). Allowing the exhaust to hang by
the oxygen sensor wires will damage the harness and/or sensor.
REMOVAL
1. Raise and support the vehicle.
2. Saturate the clamp nuts with heat valve lubricant. Allow 5 minutes for penetration.
3. Remove the muffler clamp nuts from the front hanger and the rear muffler to tailpipe connection.
4. Disconnect the muffler from the tailpipe. The tailpipe should be supported when the muffler is disconnected.
5. Remove the muffler from the extension pipe or catalytic converter flange.
INSTALLATION
1. If the 3.9L/5.2L/5.9L upper front muffler support was removed, install the bolts into the frame. Tighten the bolts to 23 Nm (200 inch lbs.) torque.
The insulators slip over the ends of the upper and lower muffler hangers.
2. Install the muffler into the extension pipe or catalytic converter flange. Install the clamp and tighten the nuts finger tight.
3. Install the tailpipe into the rear of the muffler.
