Packed pollen fil­ter

Car Mechanics (UK) - - Tales From The Workshop -

We often come across filthy and clogged pollen fil­ters that are long past their ser­vice life. Many mo­torists don’t ap­pre­ci­ate the im­por­tance of a clean pollen fil­ter and just re­gard it as a mi­nor con­ve­nience. This is pos­si­bly be­cause many ve­hi­cles in the past were not fit­ted with a pollen or cabin fil­ter, so the need of such an item can be deemed not strictly nec­es­sary. How­ever, if a cli­mate con­trol sys­tem is fit­ted with a pollen fil­ter, it does need to be re­placed at reg­u­lar in­ter­vals be­cause a blocked fil­ter will put a strain on the blower mo­tor.

This 1998 Saab 9-3 was brought in be­cause the owner was con­cerned that his demis­ter blower was not op­er­at­ing at op­ti­mum per­for­mance. The pollen fil­ter on this ve­hi­cle is not eas­ily ac­cessed and re­quires the front wiper arms to be re­moved be­fore lift­ing out the front plas­tic scut­tle panel. Once this was done and the pollen fil­ter was in plain sight, we could see why the blower was strug­gling to sup­ply a good blast of air.

The old pollen fil­ter com­pared to the new – no won­der air was not flow­ing freely!

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