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- Jeep Cherokee XJ 1984 to 2001 Why is Car Vibrating
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Vibration/Noise when accelerating hard from Idle
#16
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Join Date: Sep 2010
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Model: Cherokee
So got the news from the mechanic about my issues. As for the vibration he was not able to identify that it was any specific part of the drive train. As for the oil pressure problem ends up my water pump was failing and the oil pressure was dropping cause the motor was running a bit hotter than it should. Not overheating but on the higher end of scale. The question is do I replace the water pump myself or do I have it put in.
#17
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Location: Logan Utah
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Year: 1998
Model: Cherokee
Engine: 4.0
Kind of funny, I've had the same clunking-vibrating sound before and I could not figure it out for the life of me.. After checking about everything I could think of, It ended up being that I had a rock stuck in between my cross member and transfer case. And when I would give it a little more peddle it would hit against that damn rock....
And there was another time same sound, that I found that the tip of my exhaust got bent a little and was banging up against my gas tank shield...
And there was another time same sound, that I found that the tip of my exhaust got bent a little and was banging up against my gas tank shield...
#18
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Location: Bethlehem, PA
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Year: 1992
Model: Cherokee
Engine: 4.0
maybe your cats goin bad. get under her and hit that and see if you hear it ratting inside. makes sure the heat shield isnt the rattle tho cause it would suck to buy a new cat just because the heatsheild was ratting. sometimes bad cats only rattle under hard acceleration. just a thought. seen it before. it would explain a loss of power too. p0441 is an evap code. i think its a flow code. its not drivability related.
Last edited by btownxj; 10-07-2010 at 06:30 PM.
#22
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Location: OKC, OK
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Year: 2001
Model: Cherokee
Engine: 4.0L
My problem with the straining noise and lack of go (under hard acceleration....is getting worse. I think its something to do with engagement of clutches or TC. I found a place by my house that does transmission services....and I want to drop it off and have a second assement.
#24
i had the same problem, everything was vibrating, then today i started driving and the rear u joint just snapped hitting the floor and exhaust, maybe you guys should check the rear u joint of the driveshaft.
#25
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Location: Eugene, Oregon
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Year: 2000
Model: Cherokee
Engine: 4.0L
I changed the cylinder head on my automatic 2000, as it was cracked, had the sMr vibration, its very specific location under feet at front of tranny. I haven't been able to pin point it, also having an oil pressure issue at idle I attributed to the damage from antifreeze. But its the same noise feeling as described so apparently I'm wrong. I guess ill look at the flexplate. It is annoying, seemed like it started immediately after putting a 31 on instead of a 30. But before I had a rod bend in half
#26
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Year: 1991
Model: Cherokee (XJ)
Engine: 4.0 6cyl.
Something to look at
I had the same problem only AFTER I changed the transmission motor mount. it seems that the new mount is a tad bit taller than the old squishy bad one. so I put it in. Really it was only like 1/8" taller. well the noises started...turns out, there was a screw that held a console mount used that was to long...it was just touching the transmission and when I would accelerate the jeep would vibrate and make all kinds of noise...so IF you changed any mounts, reach up over the tranni, and make sure nothing is close to the tranni...hope this helps.
#29
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Join Date: Feb 2012
Location: Arlington, Texas
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Year: 1998
Model: Cherokee
Engine: 4.0
I'd suspect harmonic balancer (easy change) or torque converter (PITA) if you don't see any other outward signs of mechanical failure or component interference.
#30
Noise on acceleration
I have had the same problem, Unable to find the scraping growling noise when I accelerate hard, I'm inclined to believe now that my xfer case chain is loose and rubbing the bottom of the case when I accelerate hard. I did on a couple of occasions move a heavy (very large tree limb) and heard popping noises. (chain slipping) and attempt to move a large stuck truck with the same results.
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