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Heater & Air Condition > 2003-2008 Infiniti FX35 - FX45 In Cabin Micro Filter Replacement Procedure

2003-2008 Infiniti FX35 - FX45 In Cabin Micro Filter Replacement Procedure

  • 2003 FX
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  • Phillips screwdriver
  • Flat screwdriver


  • 1
    Remove the instrument lower passenger panels and glove box.
  • a
    Pull down front instrument lower cover, and disconnect clips.
  • b
    Pull it horizontally, and remove from lower cover pawls.
  • Infiniti FX In Cabin Filter
  • c
    Remove screws, and disconnect harness connector, and remove instrument passenger lower panel.
  • Infiniti FX In Cabin Filter
  • 2
    Remove the filter cover, then remove the in-cabin microfilter.
  • 3
    Take out the in-cabin microfilter from blower unit.
  • 4
    Replace with new one and reinstall on blower unit.
  • 5
    Reinstall the instrument lower passenger panel.
  • Infiniti FX In Cabin Filter
  • Note:
  • When installing a new microfilter make sure of the following:
    - The filter is installed so that the arrow, on the end of the filter, is facing the rear of the vehicle and is pointed upward.
    - The microfilter sits on top of the two black plastic tabs, not behind them.
    - The ledge on the back side of the microfilter cover panel slides below the microfilter.
  • Note:
  • If the microfilter is improperly installed, the ledge on the back side of the microfilter cover panel pushes directly into the microfilter, causing distortion. A distorted microfilter may interfere with the recirculation door.
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