Operation CHARM: Car repair manuals for everyone.

Catalytic Converter: Service and Repair






REMOVAL
1. Raise and suitably support vehicle.
2. Electrical connector from heated oxygen sensor (H02S2).
3. Two bolts, two springs securing front pipe to Three Way Catalytic Converter (TWC).
4. Two bolts and two nuts securing TWC to muffler/tail pipe assembly.
5. One bolt and hanger from front of TWC.
6. One bolt and hanger from rear of TWC and remove TWC from vehicle.
^ Clean the gasket and seal mating surfaces.

INSTALLATION
1. TWC to vehicle; secure with two bolts and two hangers at front and rear of TWC.
2. Two bolts and two nuts securing TWC to muffler/tail pipe assembly. Do not tighten fully.
3. Two bolts and two springs securing front pipe to TWC. Do not tighten fully.
^ Align all system components properly to prevent any noise or vibrations before tightening fasteners.
^ Tighten
- Front pipe-to-TWC bolts to 50 Nm (37 ft. lbs.).
- TWC-to-muffler/tail pipe assembly bolts and nuts to 50 Nm (37 lb. ft.).
4. Electrical connector to H02S2.
5. Lower vehicle.