Notes
NOTE: The following procedure is only applicable to vehicles without the
tank leak
diagnosis module.
Necessary preliminary work
Remove rear right wheel arch trim.
Comply with the following c
IMPORTANT: On vehicles with tank leak diagnosis modules (DMTL), do not
work with
external pressurization as the tank ventilation system will leak under this
condition.
On account of emerging fuel va
CHECKING COOLING SYSTEM FOR WATERTIGHTNESS (N54, N63)
Notes
WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
Protective measures/rules of conduct
Wear safety goggles
Wear protective gloves
Observe national/country-specific regulations
IMPORTANT: Risk of ski
IMPORTANT: Always check that the solenoid valves are clean during removal
and
installation.
Possible malfunctions if valves are contaminated:
Irregular operation
OBD incorrect entry
Poor exhaust gas values
Low engine performance
IMPORTANT: Risk of damage!
Do not clean solenoid valves with co