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  1. #1
    Senior Member Getting Dirty
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    tis the season for heat....

    so ive noticed a couple things... im not 100% sure that my fan speed settings are all working properly. obvious the high setting works, but as you turn down the heat- theres really no distinction between the 1-3 settings. any thoughts?

    also, when i turn my HVAC system on and off theres a loud pop/snap sound under the passnger side of the dash- kind of like my jeeps telling my its officially turned its HVAC off. it started a couple months ago..
    2007.5 WK Laredo
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  2. #2
    Lifetime Member Getting Dirty Matt's Avatar
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    The popping sound is probably the recirculation door gear stripped. Pull out your glove box and you'll see the broken parts. Takes 5-10 minutes to replace.

    If the fans blowing in the lower speeds its probably working right.... id fix the recirc door first and go from there

  3. #3
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    Quote Originally Posted by Matt View Post
    The popping sound is probably the recirculation door gear stripped. Pull out your glove box and you'll see the broken parts. Takes 5-10 minutes to replace.

    If the fans blowing in the lower speeds its probably working right.... id fix the recirc door first and go from there
    rockauto carry that?
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  4. #4
    Lifetime Member Getting Dirty Matt's Avatar
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    You have to order the whole air inlet housing, pn 68017816AB.... about $30

    Look behind your glove box before ordering. Im 90% sure thats your issue but better to verify.

  5. #5
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    thanks matt
    2007.5 WK Laredo
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  6. #6
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    Mine is doing the same thing, guess I'll be looking behind the glove box tonight to check this out.
    2006 XK 4.7L QTII

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