Suction Jet Pumps
Suction Jet Pumps
Special tools, testers and auxiliary items required
• Wrench (T10202)
Removing
Follow all safety precautions. Refer to => [ Safety Precautions ] General Information.
Follow the guidelines for cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.
- Position driver's seat as far back and up as possible using the full seat adjustment range.
Risk of destroying electronic components when disconnecting the battery.
• Observe measures for disconnecting battery.
- Disconnect the battery.
Danger of fuel entering vehicle interior.
• To remove suction jet pumps, fuel tank must be empty.
- Empty fuel tank. Refer to => [ Fuel Tank, Draining ] Procedures.
- Remove the right seat frame in 2nd row.
Risk of injury.
• Wear safety gloves.
- Cut the floor covering along the perforation - arrows - on the right side with a carpet knife - 1 -.
- Fold the floor covering to the side - arrow -.
- Remove nuts - 1 to 4 - and remove right locking flange cover.
- Disconnect electrical harness connector - 3 - at right locking flange.
Risk of injury from fuel.
• To reduce residual pressure remaining in fuel system, lay a clean cloth around the connector and carefully loosen connector.
- Disconnect the fuel supply line - 2 - from the right locking flange.
- Remove locking ring with (T10202).
- Pull the right locking flange with seal out of fuel tank a bit.
- Disconnect electrical connectors - 1 and 2 - on the underside of the right locking flange.
- Disconnect fuel line - arrow - by pressing release button.
- Grasp in fuel tank opening and remove fuel delivery lines - 1 and 4 - by pressing releases.
- Disconnect the suction jet pipe - 2 - to suction jet pump by pressing release button.
• Ignore - 3 -.
- Remove 2nd row left seat cushion.
Risk of injury.
• Wear safety gloves.
- Cut the floor covering along the perforation - arrows - on the left side with a carpet knife - 1 -.
- Fold the floor covering to the side - arrow -.
- Remove nuts - 1 to 4 - and remove left locking flange cover.
- Disconnect electrical harness connector - 1 - at left locking flange.
- Disconnect the vent line - 2 - by pressing release button.
- Remove locking ring with (T10202).
- Pull left locking flange with fuel filter housing and gasket out of fuel tank slightly.
- Disconnect electrical connector on inner side of locking flange - arrow -.
- Disconnect fuel lines - 1 and 2 - from the left locking flange by pressing release button.
- Grasp in fuel tank opening and remove fuel level sensor 2 (G169) through guide - arrow 2 - while pressing locking tab - arrow 1 -.
• Fuel level sensor 2 is shown without fuel tank to provide a better illustration.
- Carefully remove fuel level sensor 2 through fuel tank opening.
- Grasp in fuel tank opening and remove delivery lines with suction jet pipe from left opening on fuel tank - arrow -.
- Remove suction jet pumps from guide - arrow 2 - by pressing locking tabs at the same time - arrow 1 -.
• Suction jet pumps are shown without fuel tank to provide a better illustration.
- Carefully remove suction jet pumps through fuel tank opening.
Installing
• Tightening specification, refer to => [ Fuel Delivery Unit and Fuel Level Sensor (G) Overview ] Fuel Delivery Unit and Fuel Level Sensor (G) Overview.
Install in reverse order, paying attention to the following:
• Replace seals.
• Verify that suction jet pumps are securely engaged.
- Insert suction jet pumps in guide and press them down until they engage audibly.
- Slide delivery lines with suction jet pipe through left opening on fuel tank to right fuel tank chamber.
- Insert fuel level sensor 2 in guide and press it down until it engages audibly.
- Connect electrical connector - arrow - on the underside of left locking flange.
- Install the new locking flange seal dry.
- Bring the left locking flange into the installation position.
• The tab - 2 - on left locking flange faces toward the arrow marking and must lie between tabs - 1 and 3 - on the fuel tank.
- Push the suction jet pipe - 2 - onto the suction jet pump until it engages audibly.
- Attach the delivery lines - 1 and 4 - to the fuel delivery unit making sure they click into the place.
- Attach fuel line - arrow - until it engages audibly.
• Ignore - 3 -.
- Connect electrical connectors - 1 and 2 - on underside of right locking flange.
- Install the new locking flange seal dry.
- Bring the right locking flange into the installation position.
• Tab - 2 - on right locking flange faces toward arrow marking and must lie between tabs - 1 and 2 - on fuel tank.
- Install locking flange cover.
- Install the frame into the floor covering. and to the Electronic Parts Catalog (ETKA)
- Remove seat frame and seat cushion in 2nd seating row.
- Be sure to follow the procedure for connecting the battery and afterwards.