Exhaust Crossover Pipe Replacement RPOs L26/L32

1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
2. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
3. Remove the exhaust crossover heat shield nuts (1).
4. Remove the exhaust crossover heat shield (2).



5. Remove the exhaust crossover pipe studs (3) and the bolts (2).
6. Remove the exhaust crossover pipe (1).
7. Remove the exhaust crossover pipe seal (4).

1. Install the exhaust crossover pipe seal (4) to the exhaust crossover pipe (1) at the right exhaust manifold connection.
2. Install the exhaust crossover pipe (1).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the exhaust crossover pipe studs (3) and the bolts (2).

Tighten
Tighten the studs and the bolts to 20 N·m (15 lb ft).




4. Install the exhaust crossover heat shield (2).
5. Install the exhaust crossover heat shield nuts (1).

Tighten
Tighten the nuts to 20 N·m (15 lb ft).

6. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
7. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .

Exhaust Crossover Pipe Replacement RPO LS4

1. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
2. Remove the air cleaner intake duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
3. Remove the exhaust crossover pipe heat shield.
4. Remove the exhaust crossover pipe nuts.
5. Remove the exhaust crossover pipe.
6. Remove the exhaust crossover pipe seal.

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

Notice: Refer to Fastener Notice in the Preface section.

3. Install the exhaust crossover pipe nuts.

Tighten
Tighten the nuts to 25 N·m (18 lb ft).

4. Install the exhaust crossover pipe heat shield.
5. Install the air cleaner intake duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
6. Install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .