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Author Topic: Tapping  (Read 9397 times)

dw88xj

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Tapping
« on: September 02, 2012, 08:10:45 pm »
I have a 97 ZJ with a tapping noise coming from the driver side engine. Anyone ever really figure out what this could be?
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hillbilly

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Re: Tapping
« Reply #1 on: September 03, 2012, 11:56:34 am »
sure its not an exhaust leak the manifolds are known to crack right there alot, is it upper or lower motor. could be a lifter (upper motor) or a bearing (lower motor). also if you wheeled thru deep mud could be something in the starter ring area.
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build it, beat it, break it, fix it, repeat
A member of the church requests to be buried in his jeep because "It ain't never been in a hole it couldn't get out of."
   91 xj 8.5" lift -33" x 12.50 and my own additions
 94 xj (wifes) 3.5" lift and the boys 1979 cj7

dw88xj

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Re: Tapping
« Reply #2 on: September 03, 2012, 05:37:52 pm »
I will start with the exhaust manifold gasket. After hearing some uglies bout what this tap could be , would a 97 cherokee 4.0 be the same as a 97 grand cherokee 4.0?
« Last Edit: September 03, 2012, 07:06:48 pm by dw88xj »
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hillbilly

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Re: Tapping
« Reply #3 on: September 03, 2012, 07:30:53 pm »
same motor different sensors,  and not being a smart ass but did you check the oil.
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build it, beat it, break it, fix it, repeat
A member of the church requests to be buried in his jeep because "It ain't never been in a hole it couldn't get out of."
   91 xj 8.5" lift -33" x 12.50 and my own additions
 94 xj (wifes) 3.5" lift and the boys 1979 cj7

dw88xj

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Re: Tapping
« Reply #4 on: September 05, 2012, 05:49:07 am »
Oil is fine. Since I had this jeep I replaced tranny and transfer case. Putting in some LUCAS oil treatment tonight. Gasket on Saturday if time permits.
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dw88xj

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Re: Tapping
« Reply #5 on: September 20, 2012, 07:08:49 pm »
No luck, still tapping. Checked fly wheel for crack and found none. starting to look for another motor. Thanks
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hillbilly

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Re: Tapping
« Reply #6 on: September 21, 2012, 09:38:34 am »
my neighbors got a 95 and its tapped for the 3 years and 50,000 miles hes owned it.
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build it, beat it, break it, fix it, repeat
A member of the church requests to be buried in his jeep because "It ain't never been in a hole it couldn't get out of."
   91 xj 8.5" lift -33" x 12.50 and my own additions
 94 xj (wifes) 3.5" lift and the boys 1979 cj7

Death Wobble

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Re: Tapping
« Reply #7 on: September 21, 2012, 06:19:58 pm »
Does the noise only occur at startup, or the entire time that you're driving it?  Mine makes a nice sound at startup, but then that's it.  (Probably a stuck lifter).  Mt. Zion Offroad checked mine out and they said that I could just keep driving it as is.  Joel (Mt. Zion) has an XJ like mine withe the same issue, and he still wheels it. 
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