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Servicing fuel filter > < Fuel cooler

A3 Mk1

Fuel supply system - Diesel engines
Fuel cooler
Removing and installing fuel cooler

Observe rules for cleanliness .

Note:

The fuel cooler is located under the vehicle on the right side.

Auxiliary material required

  • ◆ Drip tray

Removing
 
A20-0875
  • ‒ → Unbolt cover for hose connection on fuel cooler -arrows-.
Warning
  • ◆ The fuel system is under pressure. Place a cloth over the connection before opening the system. Then open the connection carefully to relieve pressure.

  • ◆ In extreme cases the fuel pipes/hoses or the fuel can reach a temperature of 100 C on vehicles with unit injector engine. Allow the fuel to cool down before disconnecting the pipes/hoses - acute danger of scalding.

  • ◆ Wear protective gloves.
  • ◆ Wear protective goggles.
 
A20-0876
  • ‒ → Disconnect fuel pipes at fuel cooler -arrows-.
  • ‒ Unscrew nuts -1- and -3- and detach fuel cooler -2-.

Installing

Installation is performed in the reverse order.

Tightening torque

Component

Nm

Fuel cooler to vehicle underside

8

Servicing fuel filter > < Fuel cooler