64 31 010
Replacing microfilter for interior ventilation
GRA-SYM-GRCI0000-10-NOTICE
RISK OF DAMAGE
Damage to the heating and air conditioning system.
Use of unapproved microfilters may cause impairment of functions in the air conditioning.
Only operate the heating and air conditioning system with the specified microfilter.
Preliminary Work
1 – Remove the right footwell trim
GRA-PIX-GRRB-51-036-23
Unclip the right footwell trim (1) toward the inside in this area (2).
Turn the locks (3) by 90°.
Detach the right footwell trim (1) inward from the guides (4).
Unlock associated plug connection and disconnect.
Main Work
2 – Remove microfilter for passenger compartment ventilation
GRA-PIX-GRRR-64-000-18
Detach screws (1) to the cover of the microfilter housing (2).
Pull off the water drain hose (3).
GRA-PIX-GRRR-64-000-19
Disengage the latch mechanisms (1).
Guide out and remove cover of microfilter housing (2) on guides (3).
GRA-PIX-GRRB-64-007-31
Remove both microfilters for interior ventilation (1) from the microfilter housing (2) in a downwards direction.
3 – Installing the microfilter for the interior ventilation
GRA-PIX-GRRB-64-007-32
Align the microfilter for interior ventilation (2) so that the arrows (1) on the microfilters for interior ventilation (2) point to the direction of travel during the installation.
GRA-PIX-GRRB-64-007-31
Slide both microfilters for interior ventilation (1) up into the microfilter housing (2).
GRA-PIX-GRRR-64-000-19
Guide in cover of microfilter housing (2) into guides (3).
Engage latch mechanisms (1).
GRA-PIX-GRRR-64-000-18
Tighten screws (1) to the cover of the microfilter housing (2).
Microfilter lid on heating and air-conditioning unit
Screw
Tightening torque
2.8Nm
Connect water drain hose (3).
Postprocesses
4 – Install the right footwell trim panel
GRA-PIX-GRRB-51-036-23
Connect associated connector.
Attach the right footwell trim (1) to the guides (4) and fold up.
Clip the right footwell trim (1) into the centre console in area (2).
Insert locks (3) correctly and turn 90°.

Additional Information

Overview of Tightening Torques

Used in step3
Microfilter lid on heating and air-conditioning unit
Screw
Tightening torque
2.8Nm
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