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Thread: Very little air coming out of air vents

  1. #1
    Team Z8 zilver8's Avatar
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    Very little air coming out of air vents

    Experiencing a problem with the car's heating and a/c. No matter what speed I turn the fan switch to, very little air comes out of the vents. I've cycled through all the settings and I can hear the dampers opening and closing. I can get hot and cold air - just very little. Bad blower motor???

    Anyone else experience this?

  2. #2
    Is the airflow also restricted in the defrost and footwell settings? If all airflow is limited (ie, footwell, vents, defrost settings) I would check for a blown fuse then consider a fan replacement. Keep us posted!
    My Best,

    Ed

    2002 Z8 Jet Black//Sport Red
    2012 SLS AMG Obsidian Black/Classic Red

  3. #3
    Team Z8 tomfakes's Avatar
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    Is this when driving, or when stopped? There are systems to cut the airflow above a certain speed.

  4. #4
    Team Z8 zilver8's Avatar
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    The airflow is restricted in all settings (vents, defrost and footwells). I will check the fuse... thanks Ed!

  5. #5
    Sport Button On - DSC Off Doug Dolan's Avatar
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    Could it have something to do with your microfilters (#3 in parts diagram below - located under hood near firewall)? When was the last time you changed them?
     
    Doug Dolan
    61297 - Stratus / Crema

  6. #6
    Team Z8 zilver8's Avatar
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    Well, fuses look good. Microfilters look good too. I'll have the dealer look at it soon.

  7. #7
    Team Z8 zilver8's Avatar
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    Took the car to the local dealer and they found a faulty resistor for the blower motor. They replaced part #64-11-6-912-633. All is good again!

  8. #8
    That's good to know. Thanks for sharing!
    My Best,

    Ed

    2002 Z8 Jet Black//Sport Red
    2012 SLS AMG Obsidian Black/Classic Red

  9. #9
    Sport Button On - DSC Off
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    Quote Originally Posted by tomfakes View Post
    Is this when driving, or when stopped? There are systems to cut the airflow above a certain speed.
    Must say, I am not fond of the blower automatically cutting back, particularly if I am using the heat with the top down.

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