Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Inspect the catalytic converter seal/heat shield sealing surface. Replace the seal/heat shield if the sealing surface is worn or damaged.

Install the catalytic converter seal/heat shield to the catalytic converter.

Fig 1: View Of Left Exhaust Manifold

Courtesy of GENERAL MOTORS CORP.

Install a NEW exhaust manifold gasket to the exhaust manifold.
Install the exhaust manifold with the gasket to the catalytic converter and the cylinder head.

NOTE: Refer to Fastener Notice .

Install the exhaust manifold bolts.
Tighten: Tighten the exhaust manifold bolts to 20 N.m (15 lb ft).

Fig 2: View of Catalytic Converter & Nuts

Courtesy of GENERAL MOTORS CORP.

Install the catalytic converter nuts.
Tighten: Tighten the catalytic converter nuts to 50 N.m (37 lb ft).
Install the oil level indicator. Refer to Oil Level Indicator and Tube Replacement (LP1, LY7) or Oil Level Indicator and Tube Replacement (LLT)
Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side .