Installation Procedure

NOTE: Refer to Exhaust System Inspection Notice in Cautions and Notices.

IMPORTANT: If reinstalling the original intermediate pipe, the tail pipe/muffler band clips must be replaced. Mark the position of the band clips on the intermediate exhaust pipe. Remove the band clips by grinding the welds. Install new band clips on the intermediate pipe. Position the new band clips using the alignment mark created previously.

Install the intermediate pipe to the jack stands.
Raise the jack stands in order to position the intermediate pipe.

Fig 1: View Of Intermediate Exhaust Pipe, Exhaust Manifold Nuts & Exhaust Seal

Courtesy of GENERAL MOTORS CORP.

Install ALL exhaust clamps and bolts until snug to ensure correct alignment of the intermediate pipe.
Remove the adjustable jack stands.

Fig 2: View Of Exhaust Muffler Band Clamps

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the exhaust muffler clamps (2,5).
Tighten: Tighten the exhaust clamps bolts to 44 N.m (32 lb ft).

Fig 3: View Of Intermediate Exhaust Pipe, Exhaust Manifold Nuts & Exhaust Seal

Courtesy of GENERAL MOTORS CORP.

Tighten the exhaust manifold nuts (2).
Tighten: Tighten the exhaust manifold nuts to 20 N.m (15 lb ft).

Fig 4: View Of Intermediate Exhaust Pipe Hanger

Courtesy of GENERAL MOTORS CORP.

Tighten the exhaust pipe hanger lower bolts (3).
Tighten: Tighten the exhaust pipe hanger bolts to 50 N.m (37 lb ft).
Lower the vehicle.