Left Fuel Rail (G2796612): Removal
WARNING: This page is about a different variant/trim than selected.
CAUTION:
- Extreme cleanliness must be exercised when handling these components. Make sure that all tools and the surrounding area is clean before commencing work.
- Before disconnecting any components, make sure the area is clean and free from foreign material. When disconnected all components must be sealed.
NOTE:
- This procedure contains some variation in the illustrations depending on the vehicle specification, but the essential information is always correct.
- This procedure contains illustrations showing certain components removed to provide extra clarity.
- Always follow the fuel system health and safety precautions when doing any repairs to the fuel system.
Refer to: PETROL AND PETROL-ETHANOL FUEL SYSTEMS HEALTH AND SAFETY PRECAUTIONS
- Release the pressure in the fuel system.
Refer to: FUEL SYSTEM PRESSURE RELEASE
- Raise and support the vehicle on a suitable 2 post lift.
Refer to: JACKING AND LIFTING
- Disconnect the 12 V system.
Refer to: 12V SYSTEM DISCONNECT AND CONNECT
- Partially drain the engine cooling system.
Refer to: COOLING SYSTEM PARTIAL DRAINING AND VACUUM FILLING
- Clean the fuel injectors, High Pressure (HP) fuel supply line and surrounding areas.
Refer to: FUEL INJECTION COMPONENT CLEANING
- Remove the air cleaner outlet pipe T-connector.
Refer to: AIR CLEANER OUTLET PIPE T-CONNECTOR
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CAUTION: Be prepared to collect escaping coolant.
- Release the 2 clips.
- Disconnect the 5 coolant pipe connectors.
- Remove the coolant pipe assembly.
- Release the coolant pipe assembly and position to one side.
- Remove the 2 nuts.
- Release the cable bracket assembly from the valve cover.
- Disconnect the electrical connector.
- Release the clip.
- Remove the bolt.
- Disconnect the hose.
- Remove the right differential pressure sensor assembly.
Release the vacuum pipe from the right coil cover and position to one side.
- Release the 3 upper clips.
- Release the stud.
- Release the 4 lower clips.
- Remove the right coil cover.
- Disconnect the electrical connector.
- Release the clip.
- Disconnect the hose.
- Remove the bolt and the 2 nuts.
- Remove the left differential pressure sensor assembly.
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WARNING: Be prepared to collect escaping fuel.CAUTION: Before disconnecting any components, make sure the area is clean and free from foreign material. When disconnected all openings must be sealed.
- Release the 2 fuel line clips.
- Release the 2 fuel lines from the left coil cover.
- Disconnect the 2 fuel line connectors.
- Remove the oil filler cap.
- Release the 2 lower studs.
- Release the 2 upper clips.
- Remove the left coil cover.
- Install the oil filler cap.
- Disconnect the breather pipe connector.
- Release the clip.
- Position the breather pipe to one side.
- Disconnect the 4 electrical connectors.
- Release the 2 clips.
- Position the wiring harness to one side.
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WARNING: Be prepared to collect escaping fuel.CAUTION: Before disconnecting any components, make sure the area is clean and free from foreign material. When disconnected all openings must be sealed.
- Loosen the 2 fuel crossover line unions.
- Remove the 4 bolts.
- Disconnect the 2 fuel crossover line unions.
- Remove the fuel crossover line.
- Disconnect the 9 electrical connectors.
- Release the 2 fuel lines from the 2 clips.
- Release the electrical connector from the clip.
- Release the 4 clips.
- Position the wiring harness to one side.
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NOTE: RH side components showed, LH side components are the same.
- Remove the 4 bolts.
- Remove the 4 ignition coils.
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CAUTION: Make a note of the fuel injector clamp alignment to the fuel rail prior to removal.NOTE: RH side components showed, LH side components are the same.
- Remove the 4 bolts.
- Remove the fuel rail.
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CAUTION: Do not use any sharp tools to remove the O-ring seal as damage could occur to the fuel injector.
Remove and discard the 4 fuel injector O-ring seals.