Colorado 2WD L5-3.7L (2007)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement (2WD)
Removal Procedure
Caution: Refer to Exhaust Service Caution.
Caution: Refer to Protective Goggles and Glove Caution.
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the heated oxygen sensor (HO2S) at the sensor pigtail (3).
3. Remove the HO2S if replacement is necessary.
4. Remove the nuts securing the muffler to the catalytic converter.
5. Position the muffler rearward, enough to allow the studs located in the front to clear the catalytic converter pipe flange.