Diesel Data: Automotive Repair

Exhaust System: Service and Repair






REMOVAL
MUFFLER

CAUTION: Before removing or inspecting the exhaust system, ensure that it has cooled sufficiently.





1. Disconnect the muffler from the center pipe.





2. Remove the rubber hangers and take out the main muffler.

CENTER PIPE
1. Remove the center muffler assembly from the front exhaust pipe.





2. Remove the rubber hanger, then remove the center muffler.

CATALYTIC CONVERTER
1. Remove the catalytic converter from the front exhaust.





2. Remove the catalytic converter from the cylinder head.

FRONT EXHAUST PIPE
1. Remove the 02 sensor connector. (EC only)
2. Remove the front exhaust pipe from the catalytic converter (unleaded vehicle) or exhaust manifold (leaded vehicle).





3. Remove the front exhaust pipe clamp bolt and remove the center muffler mounting nut.

INSPECTION
1. Check the mufflers and pipes for corrosion and damage.
2. Check the rubber hanger and bands for deterioration and cracks.

INSTALLATION
1. Temporarily install the catalytic converter assembly the front exhaust pipe, the center exhaust pipe, and the main muffler, in that order.
2. Tighten the parts securely. Make sure there is no interference with any body components.