Exhaust Crossover Pipe: Service and Repair

Exhaust Crossover Pipe Replacement (LS4)
Removal Procedure





1. Remove the engine sight shield.
2. Remove the air cleaner intake duct.
3. Remove the exhaust crossover pipe nuts.
4. Remove the exhaust crossover pipe.
5. Remove the exhaust crossover pipe seal.

Installation Procedure





1. Install the exhaust crossover pipe seal to the exhaust crossover pipe at the right exhaust manifold connection.
2. Install the exhaust crossover pipe.

3. Notice: Refer to Fastener Notice in Service Precautions.

Install the exhaust crossover pipe nuts.
Tighten the nuts to 20 Nm (15 ft. lbs.).
4. Install the air cleaner intake duct.
5. Install the engine sight shield.