If, on the above mentioned vehicles, there are complaints about a degradation in the function of the heater blower motor or air-conditioning blower motor and a reduced air flow is also apparent in the vehicle interior, the pollen filter is a possible cause of the problem.
Even though the vehicle may not have covered 10000 km since the last time the pollen filter was replaced, it still might be clogged again.
As a rectification measure fit the modified pollen filter.
One – pollen filter: (service part no.) ET no. 647904.
The figures show the “right-hand drive” design in the area of the passenger's footwell.
Important safety notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.
The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The schematic illustrations, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.
Not helpful at all
Very helpful