| 1 - | Fuel delivery unit |
| With fuel system pressurisation pump -G6-. |
| With integrated fuel filter; fuel filter cannot be renewed separately |
| Carrying out electrical test of fuel pump in Guided fault finding mode → Vehicle diagnostic tester |
| Removing and installing → Chapter |
| After installing, fill vehicle with at least 5 litres of fuel. |
| 2 - | Clip |
| Renew after removing |
| Secure hose connection with the hose clips corresponding to original equipment. |
| 3 - | Clip |
| Renew after removing |
| Secure hose connection with the hose clips corresponding to original equipment. |
| 4 - | Fuel line |
| To metering pump -V54- |
| Removing and installing → Chapter |
| 5 - | Sealing grommet |
| Check for damage |
| 6 - | Fuel line |
| To engine. |
Assembly overview - fuel delivery unit/fuel gauge sender, vehicles with
four-wheel drive
Removing and installing fuel delivery unit/fuel gauge sender, vehicles with
front-wheel driveLeaks or internal damage (e.g. noises or lack of power)
–
Drain refrigerant circuit.
–
Remove air conditioner compressor.
Note
In the event of internal damage (to air conditioner
compressor), purge with R134a refrigerant
→ ...
Removing and installing engine control unit -J623- (with metal locking
plate)
Special tools and workshop equipment
required
Hot air blower -VAS 1978/14A--1-
with nozzle -2- from wiring harness
repair set -VAS 1978 B-
Small grinder (commerci ...
Removing and installing data bus diagnostic interface -J533-
Note
When renewing the control unit, select
Renew function for the respective control unit in
Guided fault finding or
Guided functions mode
→ Vehicle
diagnostic tester.
Removing
...