Fuel Pump Control Module
Fuel Pump Control Module
Special tools, testers and auxiliary items required
• Pry Lever - Rmv Outside Mirror (80 - 200)
Removing
- Observe safety precautions. Refer to => [ Safety Precautions ] Safety Precautions.
- Observe rules for cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.
- Slide the seats forward as far as possible. Then fold the backrest forward.
CAUTION!
Danger due to escaping fuel.
• To prevent large quantities of fuel from coming out of the fuel pump control module when removing, fuel tank may only be a maximum of 1/ 4 full.
- Empty the fuel tank if necessary. Refer to => [ Fuel Tank, Draining ] Fuel Tank, Draining.
CAUTION!
Risk of destroying electrical components when battery is disconnected.
• Observe measures when disconnecting battery.
- With the ignition switched off, disconnect the battery ground (GND) cable - arrow -.
R8 Coupe
- Remove the rear shelf.
- Remove side trim panel.
- Remove the positive wire - 4 -.
- Disconnect the electrical connectors - 3 - on the connector station and remove the connector station from the control module bracket and lay it to the side.
- Remove the right rear relay and fuse carrier from the control module bracket and lay it aside - arrows -.
• Ignore - 1, 2 and 5 -.
- Disconnect the control module electrical connectors and remove the control module bracket - arrow - from the vehicle.
- Press the electrical wiring harness off the rear bulkhead using (80 - 200) and free it up.
R8 Spyder
- Remove the cover module.
All Vehicles
- Fold the insulation mat over the connection seal cover.
- Remove bolts - 1 through 4 - and remove the right locking flange cover.
- Disconnect the electrical connector - arrow - on the right locking flange.
CAUTION!
Risk of injury from fuel.
• To reduce pressure in fuel system, lay a clean cloth around the connector and carefully loosen connector.
- Disconnect the fuel lines - 1, 2, 3 - on the right locking flange by pressing the release buttons.
• Depending on the version, there may be 2 instead of 3 lines.
CAUTION!
Danger due to escaping fuel.
• To prevent large quantities of fuel from coming out of fuel delivery unit when removing, fuel tank may only be a maximum of 1/ 4 full.
- Empty the fuel tank if necessary. Refer to => [ Fuel Tank, Draining ] Fuel Tank, Draining.
- Disconnect the right locking flange locking rings using (T10202).
- Remove the fuel delivering unit locking flange and sealing ring from the opening in the fuel tank.
- Disconnect the fuel line - 1 - on the inside of the locking flange by pressing the release button.
- Disconnect the electrical connectors - 2, 3, 4 - and remove the locking flange and sealing ring.
• Seal the opening on the locking flange with wide adhesive tape to prevent dirt from falling into the right fuel tank chamber.
- Remove the bolts - 1 - and - 2 -.
- Lay the fuel lines down.
- Lift the floor panel in the area of the locking flange slightly and Fuel pump control module (J538) remove the fuel pump locking flange between the floor panel.
- Disconnect the electrical connectors on the fuel pump control module.
Installing
• Tightening specifications => [ Locking Flange Cover - Tightening
Specifications ] Fuel Delivery Unit and Suction Jet Pump Assembly Overview, => [ - Tightening Specifications ] Fuel Delivery Unit and Suction Jet Pump Assembly Overview.
Assembly is in reverse order of removal, note the following:
- Install the locking flange for the fuel delivery unit => [ Installing ] Fuel Delivery Unit.
- Check the fuel tank for leaks. Refer to => [ Fuel Tank System, Checking for Leaks ] Fuel Tank System, Checking For Leaks.
- Install the connector station and the right rear relay and fuse panel.
R8 Spyder
- Install the cover module.
All Vehicles
- Connect the battery and observe safety precautions after connecting battery.