Lupo 1999 ➤ , Lupo 3L 1999 ➤
Maintenance - Edition 03.2018
4.24
Fuel filter: Draining water (diesel en‐
gine)
4.24.1
Engine code AKU
Note
♦ Ensure that no diesel fuel contacts coolant hoses. Clean ho‐
ses immediately if soiled.
♦ Observe environmental regulations for disposal.
Carry out following procedure:
– Pull off retaining clip -1- and remove regulating valve -2- with
fuel lines connected.
– Fit hose onto water drain screw connection -3-, open screw
and drain approx. 0.1 l of fluid.
– Tighten water drain screw -3- and remove hose.
– Fit new O-ring to seal regulating valve.
– Install regulating valve -2- and fit retaining clip -1-.
– Start engine and check fuel system for leaks (visual check).
– Operate throttle several times. Then fuel must flow bubble-free
through the transparent line -4- when engine is at idling speed.
4.25
Dust and pollen filter: renew filter ele‐
ment
The filter is located on right in the plenum chamber under a cover.
Carry out following procedure:
4. Descriptions of work:
75
English 
