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inferno red wk 01-06-2012 05:32 AM

weird knock
this is going to seem strange but it only happens in this sequence. once i start the jeep and start driving right when it shifts into second i hear a knock sometimes its loud somtimes its coming form under the jeep anyone have any ideas on this

dr.lee.baugh 01-06-2012 09:40 AM

Re: weird knock
Does it do it every time, and only on the 1-2 shift?

If you just shift from P to D to R and back to P, any noises heard then?

First guess would be isolator bushings, though it would be odd if it made the noise ONLY on the 1-2 shift.

2005JGC 01-06-2012 12:05 PM

The rfe can have a hard cold 1-2 shift I have noticed... that would make the front diff clunk if the very common isolator bushings were toast.

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inferno red wk 01-06-2012 04:01 PM

Re: weird knock
isolator bushings have been replaced its weird its not a hard shift its like a noise i was wondering if it had to so with my driveshaft locking up but its predictable everytime from p to d right before second

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