Fuel Filter: Service and Repair
Fuel Filter Assembly Overview
Engine compartment fuel lines, connection diagram. Refer to --> [ Engine Compartment Fuel Lines, Connection Diagram ] Engine Compartment Fuel Lines, Connection Diagram.
Coolant hose connection diagram. Refer to --> [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
1 Fuel line
• Between fuel filter cover --> [ (Item 6) Fuel filter cover ] (identification on connection - RT -) and fuel cooler --> [ (Item 16) Fuel cooler ].
• Blue or with blue marking.
• Ensure seated tightly.
2 Fuel supply line
• From fuel tank to fuel filter cover --> [ (Item 6) Fuel filter cover ] (identification on connection - VF -).
• White or with white markings.
• Ensure seated tightly.
3 Locking bolt, 5 Nm
4 Seal
• Replace.
5 Water drain connection
• To drain water, extract approximately 100 cm3 using suction pump (VAS 5226).
6 Fuel filter cover
• Note installation position.
• Only possible to install in one position.
7 Seal
• Replace.
8 Fuel filter insert
• Observe change intervals.
9 8 Nm
10 Seal
• Note installation position.
• Replace.
11 Fuel filter
• Secured to bracket --> [ (Item 12) Bracket ].
12 Bracket
• For fuel filter --> [ (Item 11) Fuel filter ] and fuel cooler --> [ (Item 16) Fuel cooler ].
13 50 Nm + 1/4 turn (90°)
• Replace.
14 Coolant hose
• Ensure seated tightly.
15 Fuel return line
• To junction piece.
• Blue or with blue marking.
• Ensure seated tightly.
16 Fuel cooler
• secured to bracket --> [ (Item 12) Bracket ].
17 Fuel return line
• From connection at fuel pipe --> [ (Item 3) Fuel return line ] Engine Compartment Fuel Lines, Connection Diagram to fuel filter cover --> [ (Item 6) Fuel filter cover ] (identification on connection - RF -).
• Blue or with blue marking.
• Ensure seated tightly.
18 Fuel supply line
• From fuel filter cover --> [ (Item 6) Fuel filter cover ] (identification on connection - VM -) to connection at fuel pipe --> [ (Item 2) Fuel supply line ] Engine Compartment Fuel Lines, Connection Diagram.
• White or with white markings.
• Ensure seated tightly.