Fuel Delivery Unit and Suction Jet Pump Assembly Overview
Fuel Delivery Unit and Suction Jet Pump Assembly Overview
1 Fuel Delivery Unit Baffle Housing
• Cannot be replaced separately
2 Fuel Delivery Unit
• Fuel pump electrical, checking, refer to => [ Fuel Pump Electrical, Checking ] Fuel Pump Electrical, Checking
• Removing and installing, refer to => [ Fuel Delivery Unit ] Fuel Delivery Unit
• After installing, fuel vehicle with at least 5 liters of fuel
3 Right Locking Flange
4 Seal
• Replace
• Install dry
5 Locking Ring
• Use wrench (T10202) for removal and installation
• 125 Nm
6 Electrical Harness Connector
• For transfer fuel pump (G6) and fuel level sensor
7 Fuel Supply Line
• Installed depending on version
• From the left rear suction jet pump to the fuel delivery unit
• Do not kink
• To disconnect, press release button on connection piece
8 Suction Jet Pipe
• To the left suction jet pumps
• To disconnect, press release button on connection piece
9 Fuel Supply Line
• From the left front suction jet pump to the fuel delivery unit
• Do not kink
• To disconnect, press release button on connection piece
10 Electrical Harness Connector
• To fuel gauge sensor
11 Locking Ring
• Use wrench (T10202) for removal and installation
• 125 Nm
12 Fuel Supply Line
• To fuel filter
• On the 10-cylinder engine with a non-return valve
• Do not kink
• To disconnect, press release button on connection piece
13 Left Rear Suction Jet Pump
• With lines
• Cannot be replaced separately
• The version depends on the construction
14 Left Front Suction Jet Pump
• With lines
• Cannot be replaced separately
• The version depends on the construction
15 Left Locking Flange
16 Seal
• Replace
• Install dry
17 Right Suction Jet Pump
• Cannot be replaced separately
• The version depends on the construction
Locking Flange Cover - Tightening Specifications
1. Bolt - 9 Nm
2. Locking flange cover
3. Seal - replace if damaged
Fuel Pump Control Unit (J538) - Tightening Specifications
- Tight the bolts - 1 - and - 2 - to 2.5 Nm.