SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4-cylinder diesel engine (1.9 l engine) | Fuel supply, gas operation | Removing and installing parts of fuel supply system | Removing and installing fuel cooler: Engine codes ANU, AUY, BVK

Removing and installing fuel cooler: Engine codes ANU, AUY, BVK

Special tools and workshop equipment required

t	Torque wrench (5…50 Nm) -V.A.G 1331-

t	Spring-type clip pliers -VAS 5024 A-

Note

t	The fuel cooler is located in the return line to fuel tank. It is installed at the underbody of the vehicle.

t	This fuel cooler is only installed, when no heat exchanger is fitted on fuel filter (in engine compartment left) → Chapter.

Removing

Observe safety precautions → Chapter.

Observe rules for cleanliness → Chapter.

–	Separate fuel lines at fuel cooler.

WARNING

t	The fuel and the fuel lines in the fuel system can become very hot (danger of scalding)!

t	The fuel system is also under pressure! Before opening the system, place cloths around the connections. Then carefully loosen connection to release the pressure!

t	Wear eye and hand protection when performing any type of repair work on the fuel system!

–	Remove securing nuts -arrows-.

Installing

Installation is carried out in the reverse sequence of removal. In the process, note the following:

t	Tighten fuel cooler securing nuts to 15 Nm.

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