Fuel Filter: Service and Repair

Fuel Filter, Assembly Overview

NOTE:
- When installing, make sure that the fuel filter is not installed with the water drain plug sitting on the oil filter bracket. This could loosen and begin leaking.
- Install the fuel filter so that accessibility to the water drain plug is ensured.







1. Return line
- To fuel cooler
- Blue or with blue marking
- Ensure seated tightly
2. Supply line
- From fuel tank
- White or with white markings
- Ensure seated tightly
3. Retaining clip
4. Regulator valve
- Installed location: direction of arrow to fuel tank
- When changing filter, remove retaining clip and take off regulator valve with fuel lines attached.
- When under + 15 degrees C: flow-through to filter is open
- When over + 31 degrees C: flow-through to filter is closed
5. O-ring
- Replace
6. Return line
- Ensure seated tightly
- Blue or with blue marking
7. Fuel line
8. Fuel temperature sensor -G81-
9. Supply line
- Ensure seated tightly
- White or with white markings
10. Fuel filter
- Before installing, fill with diesel fuel
- Direction of flow is marked with arrows
- Do not interchange connections
- Replace if damaged
11. Seal
- Replace if damaged
12. Water drain plug
- To vent, remove retaining clip for regulator valve and take off regulator valve with fuel lines attached
- Loosen and allow approx. 100 cu.cm of fluid to drain