Removing Tank Vent
WARNING: This page is about a different variant/trim than selected.
- Disconnect tank vent line -1-
from the tank vent valve -2-
.
Tank ventilation line
- Remove positive crankcase ventilation line -2-
on the right side.
- 2.1 Release and disconnect electric plug connection -3- .
- 2.2 Unclip retaining clip -4- for electric wire harness -5- .
- 2.3 Release quick connectors -1- and disconnect positive crankcase ventilation line -2- .
Vent line
- Screw off fastening nuts -1-
.
Cable duct for engine wire harness (cylinders 1-4)
- Disconnect engine wire harness (cylinders 1-4).
> WM, 975219 REMOVING AND INSTALLING ENGINE WIRE HARNESS
- 4.1 Release and disconnect electric plug connections -2 to 5- .
- 4.2 Pull tank vent line off the holder as far as required until the electric plug connection -6- is accessible.
- 4.3 Release and disconnect electric plug connection -6- .
- 4.4 Carefully lift cable duct for engine wire harness -1- aside to allow access to the tank vent line.
- 4.5 Expose tank vent line as far as the tank ventilation sensor.
Electric plug connections on engine wire harness (cylinders 1-4)
- Remove tank ventilation sensor (USA) or dummy (cylinders 1-4) -1-
.
- 5.1 Unscrew and remove fastening screw -2- .
- 5.2 Release and disconnect electric plug connection -3- .
- 5.3 Remove tank ventilation sensor (USA) or dummy -1- together with the vent line -5- from holder -4- .
Tank ventilation sensor (cylinders 1-4)
- Expose tank vent line.
- 6.1 Unclip tank ventilation -1- from retaining clips -2 and 3- .
- 6.2 Release and disconnect quick connectors -4- .
- 6.3 Close off connections using suitable stoppers.
Tank vent line over intake pipe
- Disconnect positive crankcase ventilation lines.
- 7.1 Release and disconnect quick connector -1- .
- 7.2 Move line -3- aside so that the cable duct is accessible.
- 7.3 Release and disconnect quick connector -2- .
- 7.4 Close off connections using suitable stoppers.
- 7.5 Move line -4- aside so that the cable duct is accessible.
Positive crankcase ventilation lines
- Remove tank ventilation sensor (USA) or dummy (cylinders 5-8) -3-
.
- 8.1 Unclip electric plug connection -4- from the holder and move the line aside.
- 8.2 Unscrew fastening screws -5- .
- 8.3 Move holder -6- with electric wire harness aside.
- 8.4 Unscrew and remove fastening screw -1- .
- 8.5 Release and disconnect electric plug connection -2- .
- 8.6 Remove tank ventilation sensor (USA) or dummy -3- .
Tank ventilation sensor (cylinders 5-8)
- Screw off fastening nuts -1-
.
Cable duct for engine wire harness (cylinders 5-8)
- Disconnect engine wire harness (cylinders 5-8).
> WM, 975219 REMOVING AND INSTALLING ENGINE WIRE HARNESS
- 10.1 Release and disconnect electric plug connections -2 to 6- .
- 10.2 Carefully lift cable duct for engine wire harness -1- aside to allow access to the tank vent line.
Electric plug connections on engine wire harness (cylinders 5-8)
- Expose tank vent valve (cylinders 5-8).
- 11.1 Release and disconnect quick connector -1- .
- 11.2 Close off connections using suitable stoppers.
- 11.3 Move vacuum line -2- aside.
- 11.4 Pull tank vent valve -3- off the holder so that the electric plug connection -4- is accessible.
- 11.5 Release and disconnect electric plug connection -4- .
Tank vent valve (cylinders 5-8)
- Remove tank vent line.
- 12.1 Unclip retaining clip -2- from tank vent line -3- .
- 12.2 Release and disconnect quick connector -1- .
- 12.3 Close off connections using suitable stoppers.
- 12.4 Guide out tank vent line -3- .
Quick connector on tank vent line (cylinders 5-8)