Removal Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the exhaust manifold pipe. Refer to EXHAUST MANIFOLD PIPE REPLACEMENT (6.0L AND 8.1L ENGINES) .
- Remove the catalytic converter. Refer to CATALYTIC CONVERTER REPLACEMENT (4.8L AND 5.3L ENGINES) or CATALYTIC CONVERTER REPLACEMENT (6.0L AND 8.1L ENGINES) .
- If equipped with a 4L80E transmission, remove the exhaust pipe hanger bracket bolts.
- If equipped with a 4L60E transmission, remove the exhaust pipe hanger bracket bolts.
- Remove the exhaust manifold pipe bracket.