• Fuel tank sufficiently filled (fuel gauge on dash panel insert not
in red area).
Check
CAUTION
The fuel system is pressurised.
Risk of injury caused by fuel spray.
– Wear safety goggles.
– Wear protective gloves.
– To release pressure, wrap a clean cloth around the connec‐
tion, and carefully loosen the connection.
– Unclip fuel line -2- from retainer -1-.
– Unclip fuel line -2- from retainer -1-.
– Remove clamp -3-.
– Pull off fuel line -2-.
– Guide fuel line -1- into measuring beaker - V.A.G 1602/1- .
– Hold measuring beaker - V.A.G 1602/1- at same height as
auxiliary heater.
– Using ⇒ Vehicle diagnostic tester, check fuel delivery rate of
metering pump - V54- .
– Read quantity of diesel in measuring beaker - V.A.G 1602/1- .
Min. quantity of fuel after 120 seconds, ml
Max. quantity of fuel after 120 seconds, ml
22
28
– If fuel delivery rates are not within specifications, renew me‐
tering pump - V54-
.
4.2
Removing and installing metering pump
- V54-
Special tools and workshop equipment required
♦ Engine bung set - VAS 6122-
Transporter 2020 ➤
Auxiliary heater - Edition 04.2020
4. Fuel supply
29
