Rough idle in drive/reverse

Discussion in 'Renegade Chat' started by Eoseitz, Apr 9, 2020.

  1. Eoseitz

    Eoseitz Active Member

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    Thanks @idomyownracing. I’m assuming it’s safe to support the motor by the transmission when doing the drivers side? Using a wood block
     
  2. Eoseitz

    Eoseitz Active Member

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    Got the drivers side in. Anybody know the torque specs. I had them for the passenger side, but can’t find them now.
     
  3. Eoseitz

    Eoseitz Active Member

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    Torque specs attached.
     

    Attached Files:

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  4. Eoseitz

    Eoseitz Active Member

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    Hmmm. I think it’s vibrating more now that I changed the drivers side. ‍♂️
     
  5. IDoMy0wnRacing

    IDoMy0wnRacing Well-Known Member

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    Yep, I did.
     
  6. Eoseitz

    Eoseitz Active Member

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    Do you have to move the exhaust pipe to get the rear mount loose? I’m not seeing anyway to fit a bit on there otherwise. The ratchet won’t clear the exhaust hanger. Ugh. I know I’m going to break the studs if I have to take it off. Lol.
     
  7. Eoseitz

    Eoseitz Active Member

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    I made a quick video showing a broad overview of how to change the drivers side motor mount. I haven’t found any other videos online about it.

     
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  8. zuke

    zuke Active Member

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    sorry, I haven't had much of a chance to post lately, Did you ever get the rear mount changed?
     
  9. Eoseitz

    Eoseitz Active Member

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    Not yet. I was hoping to do it this weekend. I started to do it last weekend, but the exhaust hanger was hitting my ratchet. I was afraid I’d break the studs on the exhaust if I remove it, so I did the drivers side mount first. Thought I should figure things out before I started removing things. Lol.
     
    Last edited: Sep 11, 2020
  10. Eoseitz

    Eoseitz Active Member

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    So this is interesting. I did t really think about it until now. My vibration issues started not long after the fan recall. Then I read this. Could it have anything to do with the fan? I rumbles more after the vehicle heats up. That would make sense if the fan is kicking on.

    https://static.nhtsa.gov/odi/tsbs/2015/MC-10151744-9999.pdf
     
  11. zuke

    zuke Active Member

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    Wow, That is bizarre!

    Suppose it is possible it could be something like that, It certainly would have never occurred to me! The illustrations in the PDF don't appear to be a Trailhawk, and it's only for 2015 vehicles, so i'm not sure the aluminum tape solution would work if that is the source of your vibration, but you could definitely look around the radiator for any contact other than the rubber isolators.

    You could also just idle it, and touch the radiator to see if you feel the vibration there, which would actually help in narrowing it down alot.
     
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