Exhaust Manifold Heat Shield Replacement - Left Side V8 with Left Hand Drive
Removal Procedure
Warning: Refer to Exhaust Service Warning in the Preface section.
Warning: Refer to Protective Goggles and Glove Warning in the Preface section.
- Remove the air cleaner housing assembly. Refer to
Air Cleaner Assembly Replacement.
- Remove the nut securing the air conditioning (A/C) lines to the left hand shock tower.
Position the lines aside to provide tool access to the exhaust manifold shield front bolt.
- Remove the front upper heat shield bolt.
- Disconnect the master cylinder electrical connector.
- Remove the master cylinder mounting nuts.
Position the master cylinder towards the engine to gain tool access to the exhaust manifold shield rear bolt.
- Remove the rear upper heat shield bolt.
- Disconnect both Bank 2 heated oxygen sensor pigtail connectors from the wiring harness connector.
- Remove the power steering gear. Refer to
Steering Gear Replacement.
- Remove the lower intermediate steering shaft. Refer to
Lower Intermediate Steering Shaft Replacement.
- Remove the exhaust system. Refer to
Exhaust System Replacement.
- Remove the Bank 2, Sensor 1 heated oxygen sensor. Refer to
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1.
- Remove the remaining exhaust manifold heat shield bolt and remove the shield.
Installation Procedure
Caution: Refer to Fastener Caution in the Preface section.
- Install the exhaust manifold heat shield to the manifold with the lower bolt and tighten to
10 N·m (89 lb in).
- Install the Bank 2, Sensor 1 heated oxygen sensor. Refer to
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1.
- Install the exhaust system. Refer to
Exhaust System Replacement.
- Install the lower intermediate steering shaft. Refer to
Lower Intermediate Steering Shaft Replacement.
- Install the power steering gear. Refer to
Steering Gear Replacement.
- Lower the vehicle.
- Connect the heated oxygen sensor pigtail connectors to the wiring harness connector.
- Install the rear upper heat shield bolt and tighten to
10 N·m (89 lb in).
- Install the master cylinder and connect the master cylinder electrical connector. Refer to
Master Cylinder Replacement.
- Install the front upper heat shield bolt and tighten to
10 N·m (89 lb in).
- Install the nut securing the A/C lines to the left hand shock tower and tighten to
10 N·m (89 lb in).
- Install the air cleaner housing assembly. Refer to
Air Cleaner Assembly Replacement.
Exhaust Manifold Heat Shield Replacement - Left Side LY7
Special Tools
J 42640 Steering Column Anti-Rotation Pin
Removal Procedure
Warning: Refer to Exhaust Service Warning in the Preface section.
Warning: Refer to Protective Goggles and Glove Warning in the Preface section.
- Install the
J 42640 to the steering column. Refer to
Lower Intermediate Steering Shaft Replacement for the tool installation instructions.
- Remove the exhaust manifold heat shield bolts.
- Raise the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Remove the lower exhaust manifold heat shield bolt.
- Disconnect the center intermediate shaft from the lower intermediate shaft to provide a removal envelope for the shield. Refer to
Lower Intermediate Steering Shaft Replacement.
- Remove the exhaust manifold heat shield.
- Remove the upper exhaust manifold heat shield insulator from the oil level indicator tube, if necessary.
- Remove the lower exhaust manifold heat shield insulator from the oil level indicator and exhaust gasket, if necessary.
Installation Procedure
- Install the lower exhaust manifold heat shield insulator to the oil level indicator and exhaust gasket, if necessary.
- Install the upper exhaust manifold heat shield insulator to the oil level indicator tube, if necessary.
- Install the exhaust manifold heat shield.
- Install but do not tighten the lower heat shield bolt.
- Lower the vehicle.
Caution: Refer to Fastener Caution in the Preface section.
- Install the upper exhaust manifold heat shield bolts.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Raise the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Tighten the lower exhaust manifold heat shield bolt.
Tighten
Tighten the exhaust manifold heat shield bolts to 10 N·m (89 lb in).
- Install the center intermediate shaft to the lower intermediate shaft. Refer to
Lower Intermediate Steering Shaft Replacement.
- Lower the vehicle.
- Remove the
J 42640 .