Blazer 4WD V6-4.3L VIN X (2005)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement
Removal Procedure
Caution: Refer to Protective Goggles and Gloves Notice.
Notice: Refer to Vehicle Lifting.
Notice: Refer to OEM Standard Notice in Service Precautions.
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the transmission support. Refer to Transmission Support Replacement (RWD) or Transmission Support Replacement (4WD, ZR2).
3. Disconnect the LH pre-converter heated oxygen sensor (H02S) electrical connection.
4. Disconnect the RH pre-converter heated oxygen sensor (H02S) electrical connection.
