Suburban 3/4 Ton 4WD V8-6.0L VIN U (2004)
Muffler: Service and Repair
Muffler Replacement (6.0L and 8.1L Engines)
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Unclip the oxygen sensor connector from the frame.
3. Disconnect the Connector Position Assurance (CPA) retainer.
4. Disconnect the oxygen sensor electrical connector.
5. Unclip the oxygen sensor connector from the support.
6. Disconnect the CPA retainer.
7. Disconnect the oxygen sensor electrical connector.
8. Unclip the oxygen sensor connector from the support.
