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Please help no Park, no drive, and no reverse... 2006 Jeep Grand Cherokee Limited

Discussion in 'Cherokee' started by TinyInkognegroT, Sep 1, 2019.

  1. Sep 4, 2019 at 1:03 PM
    #21
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    No his scanner didn't throw the U code. I mentioned U code because my uncle is saying it's the ECM but the scanner isn't reading u0404. Even with the front drive shaft out, it still grinds in reverse and drive. I'm thinking the problem is more of an internal issue in the transmission
     
  2. Sep 4, 2019 at 1:49 PM
    #22
    Awrench

    Awrench Well-Known Member

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    sure sounds like a internal trans issue but the p0700 and no codes suggests some more codes and the U 0404 would satisfy that as the missing code.

    I do not see this as a DIYer.
     
    JKBob 25 likes this.
  3. Sep 4, 2019 at 7:52 PM
    #23
    JKBob 25

    JKBob 25 Well-Known Member

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    I jumped on this one alil late. Labor Day. :cheers:. But based on some things I've seen here. Right off the bat. No dip stick and apparently no regular fluid checks. Sounds like some major tranny issues. Agreed. Not DIY'er. Sorry @TinyInkognegroT . Good luck. And post up your finds and fix.
     
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  4. Sep 5, 2019 at 10:15 AM
    #24
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    Long story short, transmission needs to be replaced ?
     
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  5. Sep 5, 2019 at 6:46 PM
    #25
    JKBob 25

    JKBob 25 Well-Known Member

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    That is unfortunate. Your lookin at a used tranny for bout $350 without labor, to $1000 plus for a remaned. Good luck dude.
     
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  6. Sep 6, 2019 at 3:59 AM
    #26
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    Thinking about just going and pulling one from a salvage yard
     
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  7. Sep 8, 2019 at 5:05 AM
    #27
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    Okay this is weird... After letting her a Jeep sit for a couple of days, I went outside to start it and go through the gears. When I put it in reverse, it jumped in reverse but wouldn't move. When I put it in drive, it jumped into gear but wouldn't move. Both reverse and drive had no grinding. I put it back in park, and it grinded. I went back and forth five or six times and the only grinding was in park...
     
  8. Sep 8, 2019 at 6:00 AM
    #28
    Awrench

    Awrench Well-Known Member

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    OK seams you are involved - family SO we have

    a 2006 grand Cherokee, engine is ? 3.7 4.7 5.7 ?

    When in R will back up lights come on?
    Is fluid FULL?
    I will guess it is again parked, shifter in P, will it roll of pushed?
     
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  9. Sep 8, 2019 at 8:47 AM
    #29
    Awrench

    Awrench Well-Known Member

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    OK TinyInkognegroT you liked it SO what about following up with info answers?

    trying to get BIG picture here.....
     
  10. Sep 8, 2019 at 10:40 AM
    #30
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    Yes I'm about to get to it. I'm also trying to figure out why my fuel pressure on my 93 ZJ is 30 PSI
     
  11. Sep 8, 2019 at 10:50 AM
    #31
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    @Awrench The engine is 3.7, the reverse lights come on, and I can push it while it's in park
     
    Last edited: Sep 8, 2019
  12. Sep 8, 2019 at 11:20 AM
    #32
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    Turns out the correct PSI for fuel pressure is 30-33. 39 - 40 with the vacuum hose off the regulator
     
    Last edited: Sep 8, 2019
  13. Sep 8, 2019 at 12:20 PM
    #33
    Awrench

    Awrench Well-Known Member

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    what is your system with vac removed from regulator ?

    Anyway might want to change fuel filter first - The filter is located under the vehicle near
    front of fuel tank.
     
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  14. Sep 8, 2019 at 2:30 PM
    #34
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    It's not removed, I read that online. The fuel filter look brand new and it didn't have any restriction when I blew through it on both ends and the gas wasn't super dirty.
     
  15. Sep 8, 2019 at 2:58 PM
    #35
    Awrench

    Awrench Well-Known Member

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    IIRC are we seeing a LEAN o2 sensor code?
    If that is correct we need to look closely at this pressure issue.
    Suggest you try with the vac fuel regulator unplugged - 30 is at the low end and volume may also be low...
     
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  16. Sep 9, 2019 at 4:46 AM
    #36
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    Okay today is my birthday so I'm going to work half a day at work today and when I get back I'll take the vacuum hose off the regulator and try the fuel pressure.
     
  17. Sep 9, 2019 at 5:08 AM
    #37
    Awrench

    Awrench Well-Known Member

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    happy birthday!!

    light BBQ, chill the beer, there now don;t over do it. :hungry:

    hope the girl friend gets you something nice.

    enjoy
     
  18. Sep 9, 2019 at 7:44 PM
    #38
    JKBob 25

    JKBob 25 Well-Known Member

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    Geez....I'm exhausted. :bored:
     
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  19. Sep 10, 2019 at 9:30 AM
    #39
    Awrench

    Awrench Well-Known Member

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    if anyone needs a day to relax its him - his jeep and the familys member grand cherokee, chasing uncles around etc etc.
     
  20. Sep 12, 2019 at 10:21 AM
    #40
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

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    Thanks, I may have over did it a little lol
     
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