Installation Procedure

Fig 1: Exhaust Front Pipe

Courtesy of GENERAL MOTORS COMPANY

Fig 2: Exhaust Front Pipe, Gasket & Fasteners

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CAUTION:

Install the exhaust front pipe (4) to the catalytic converter with a NEW gasket (3). Tighten the fasteners (1) to 25 (18 lb ft).

Fig 3: Exhaust Front Pipe & Bracket Fastener

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Install the exhaust front pipe bracket fastener (1) and tighten to 22 (16 lb ft).

Fig 4: Front Suspension Supports & Fasteners

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Rotate the drivetrain and front suspension supports (3) into position.
Install the drivetrain and front suspension support fasteners (2) and tighten to 60 (44 lb ft).
Tighten the drivetrain and front suspension support fasteners (1) to 160 (118 lb ft).

Fig 5: Front Hanger Bracket & Fasteners

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Install the exhaust isolator fasteners (1) to the front hanger bracket (2) and tighten to 9 (80 lb in).

Fig 6: Identifying Exhaust System Components

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Install the exhaust front pipe (4) to the exhaust muffler (3) with a NEW gasket (2). Tighten the fasteners (1) to 18 (13 lb ft).
Connect the oxygen sensor electrical sensor.
Inspect the exhaust system for leaks.