Exhaust Manifold Replacement - Left Side
Exhaust Manifold Replacement - Left Side (V6)
Removal Procedure
Warning: Refer to Exhaust Service Warning (Service Precautions).
Warning: Refer to Protective Goggles and Glove Warning (Protective Goggles and Glove Warning).
1. Ignition OFF.
Warning: Refer to Battery Disconnect Warning (Battery Disconnect Warning).
2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair) Battery Negative Cable Disconnection and Connection.
3. Remove the engine cover. Refer to Engine Cover Replacement (Service and Repair).
4. Remove the left pre-catalytic convertor heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (Service and Repair).
5. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side (V8) (Exhaust Manifold Heat Shield Replacement - Left Side)Exhaust Manifold Heat Shield Replacement - Left Side (V6) (Exhaust Manifold Heat Shield Replacement - Left Side).
6. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Removal.
7. Remove the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side (V8) (Catalytic Converter Replacement - Left Side)Catalytic Converter Replacement - Left Side (V6) (Catalytic Converter Replacement - Left Side).
8. Remove the battery positive cable retaining nut (1) from the starter motor solenoid.
9. Remove the battery positive cable (2) from the starter motor.
Note: Bolts with micro-encapsulated thread sealant must be discarded after removal.
10. Remove the exhaust manifold to cylinder head retaining bolts (1).
Discard the bolts.
Danger: To avoid any vehicle damage, serious personal injury or death, always use the jackstands to support the vehicle when lifting the vehicle with a jack.
Warning: Refer to Safety Glasses Warning (Safety Glasses Warning).
11. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
Note: Bolts with micro-encapsulated thread sealant must be discarded after removal.
12. Remove the exhaust manifold to cylinder head retaining bolts (1).
Discard the bolts.
Note: Make sure that the surrounding wiring harness and electrical connectors are not damaged when removing the exhaust manifold (2).
Note: The exhaust manifold gasket (1) and sealing ring (3) are single use parts. They must be discarded after removal.
13. Remove the exhaust manifold (2) from the engine assembly.
14. Separate the exhaust manifold (2) from the exhaust manifold gasket (1) and sealing ring (3).
15. Discard the exhaust manifold gasket (1) and sealing ring (3).
Installation Procedure
Caution: Refer to Exhaust System Inspection Caution (Service Precautions).
1. Inspect the exhaust manifold before installation. Refer to Exhaust Manifold Cleaning and Inspection - Left Side (Overhaul).
Note: Make sure the sealing ring is seated correctly.
2. Install a NEW exhaust manifold gasket (1) and NEW sealing ring (3) to the exhaust manifold (2).
Danger: To avoid any vehicle damage, serious personal injury or death, always use the jackstands to support the vehicle when lifting the vehicle with a jack.
Warning: Refer to Safety Glasses Warning (Safety Glasses Warning).
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
Note: A suitable support must be used to support the exhaust manifold while the vehicle is being lowered.
4. Install the exhaust manifold assembly (2) to the engine.
Note: Do not fully tighten the exhaust manifold to cylinder head retaining bolts (1) at this stage.
5. Install NEW exhaust manifold to cylinder head retaining bolts (1).
Caution: Refer to Fastener Caution (Fastener Caution).
6. Tighten the exhaust manifold to cylinder head retaining bolts (1) working from the centre to the outside to 20 Nm (15 lb ft).
7. Lower the vehicle.
Note: Do not fully tighten the exhaust manifold to cylinder head retaining bolts (1) at this stage.
8. Install NEW exhaust manifold to cylinder head retaining bolts (1).
9. Tighten the exhaust manifold to cylinder head retaining bolts (1) working from the centre to the outside to 20 Nm (15 lb ft).
10. Install the battery positive cable (2) to the starter motor.
11. Install the battery positive cable retaining nut (1) to the starter motor solenoid and tighten to 10 Nm (89 lb in).
12. Install the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side (V8) (Catalytic Converter Replacement - Left Side)Catalytic Converter Replacement - Left Side (V6) (Catalytic Converter Replacement - Left Side).
13. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side (V8) (Exhaust Manifold Heat Shield Replacement - Left Side)Exhaust Manifold Heat Shield Replacement - Left Side (V6) (Exhaust Manifold Heat Shield Replacement - Left Side).
14. Install the left pre-catalytic convertor HO2S. Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (Service and Repair).
15. Install the engine cover. Refer to Engine Cover Replacement (Service and Repair).
16. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).