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Cabin interior air filter removal and replacement- B5 Passat TDI

Dec 7, 2013
Cabin interior air filter removal and replacement- B5 Passat TDI
  • Cabin interior air filter removal and replacement on Volkswagen Passat TDI
    difficulty: 1/5
    back to 1000q: B5.5 Passat TDI "how to" index


    Introduction

    This article shows how to replace the cabin engine air filter and remove the air filter housing on a Volkswagen VW Passat TDI 2.0L BHW engine (2004 2005).
    For how to replace the engine air filter, see 1000q: Passat TDI engine air filter.

    Parts

    1 air filter - this filter was used on many Passat and Audi so you should have no problem finding it at any auto parts store.

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    Procedure

    Slide the battery terminal cover to the side and remove it. The large plastic piece between the windshield and firewall will come off if you pull it. It's only tucked into the rubber seals around the edges. Note how it sits for installation.

    The air filter is visible in the picture above. Just slide it out and install the new one. One area of possible leaks is the gasket between the metal filter housing and the chassis. If you want to do a bit of preventative maintenance, inspect the gasket at the bottom to make sure no water can get in there.

    While you're in there, make sure to check for leaves clogging the area behind the firewall and clean as needed. There are a few drain holes where water should drain out. If it doesn't, it can back up into the interior in places like the aforementinoed seal.