1. Wksanguins

    Wksanguins Member

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    Hello everyone !! I have a 2013 Raptor crew cab headers exhaust and tuner I’ll post pics a bit later. My question is my 4 wheel drive doesn’t engage from switch neither does my ELD. If I disconnect the vacuum line 4 wheel drive works great when connected I got nothing my vacuum pump is working and I don’t get any grinding it just does nothing when connected light comes on in dash but no 4 wheel drive. As for ELD I am going to crawl under the truck tonight and see if I have voltage to the locker. Was winding if any of you have ran into this problem before ?
     
  2. superdad60

    superdad60 Member

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    Did you inspect the small plastic line near the top of the passenger wheel well?
    That vacuum line gets toasty and cracks. I touched mine and it broke apart...
    I got some weed whacker fule line and slide it over and zip tied it a year ago and no issues
    May or may not be worth a look. .75 cents to fix an otherwise expensive issue

    Now that I think of your issue with the disconnect... nevermind
    two different issues

    Hope you got it straight
     

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