Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Refer to PROTECTIVE GOGGLES & GLOVE CAUTION in Cautions and Notices.

NOTE: When jacking or lifting the vehicle from the frame side rails, be certain lift pads do not contact the three-way catalytic converter as damage to the converter will result.

NOTE: Replacement of exhaust system parts must be OEM standard to ensure that the vehicle operates as designed.

Raise and suitably support the vehicle. Refer to JACKING AND LIFTING in General Information.
Remove the catalytic converter. Refer to Catalytic Converter Replacement (2.2L) or Catalytic Converter Replacement (Pickup 4.3L) or Catalytic Converter Replacement (Utility 4.3L) .
Remove the exhaust manifold pipe to manifold flange bolts.

Fig 1: Removing Exhaust Manifold Pipe To Manifold Flange Bolts
Courtesy of GENERAL MOTORS CORP.
Remove the exhaust manifold pipe and seal from the vehicle.