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Jeep Cherokee Grand Cherokee Noises and Sounds

353 messages,  Last post on Sep 12, 2009 at 11:58 AM

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What is this discussion about? Jeep Grand Cherokee, Jeep Grand Cherokee SRT-8, Jeep Cherokee, SUV

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#324 of 353 Re: 96 grand laredo noise HELP [EEDude] by trek87 Feb 17, 2009 (6:59 pm)
Replying to: EEDude (Feb 17, 2009 4:45 pm) The overdrive inside the transmission is also a possibility. When accelerating, torque is applied to the transmission and it tends to pull things 'tight' (the overdrive has a viscous clutch that can wear out over time). This might explain why it occurs at highway speeds as well. Good luck.
#325 of 353 Re: 96 grand laredo noise HELP [gbb116] by trek87 Feb 17, 2009 (7:30 pm)
Replying to: gbb116 (Feb 11, 2009 6:48 pm) If it's happening while in 2WD it likely rules out the TC or the front differential. Tire balancing would not produce a noise like you describe, but it would manifest itself as a vibration at certain speeds, for example. Replies to this message: gbb116 (Mar 03, 2009 11:05 am) trek87 (Mar 04, 2009 8:16 am)
#326 of 353 02 GC Moaning on Hard Right & Left Turns by nonick1 Feb 22, 2009 (6:56 am)
I have a 2002 4.7 L all wheel drive GC. I recently have had the power steering pump and hoses replaced due to the whining or squeling noise you here when the pump is going bad. Now I keep hear a noise in the front end when making right or left hand turns and my best description is that it moans. It only does it once the jeep has warmed up say 10 to 15 minutes of driving. Took it and had the brakes checked/replaced but it still moans. Can anyone shed some light on this one. Thanks Replies to this message: nonick1 (Feb 22, 2009 8:18 am)
#327 of 353 Re: 02 GC Moaning on Hard Right & Left Turns [nonick1] by nonick1 Feb 22, 2009 (8:18 am)
Replying to: nonick1 (Feb 22, 2009 6:56 am) Here is a quick check to look at. It's a jeep service bulletin for the moaning/whining problem. I tried it and it seems to have corrected the problem. All I did was side the hoses part did not even have to loosen as stated in the bulletin at $0. I have provided the link below.   http://www.wjjeeps.com/tsb/tsb_wj_1900203.pdf
#328 of 353 Re: Over Drive Humming/Roaring like a Wheel Bearing [jeep4life0604] by muff22 Mar 01, 2009 (5:18 pm)
Replying to: jeep4life0604 (Sep 16, 2008 1:12 pm) 2004 grand cheroke at first i thought it was a bad left front rotor ... makes noise when brake pedal is applied ..put new rotors on noise and vibration still there when brakes are put on
#329 of 353 Re: 96 grand laredo noise HELP [trek87] by gbb116 Mar 03, 2009 (11:05 am)
Replying to: trek87 (Feb 17, 2009 7:30 pm) thanks for the replys. this is where im at thus far ( original post325)   i had tranny rebuilt, new tires, new u joints on rear end, new wheel bearings. none fixed the vibration i feel on my feet and the humkming noise.   what i did find out is that i took off my front driveshaft and drove it the noise was gone, or to a point i couldnt noitice it. i am rebuilding that drive shaft tday ( new u joints (3) and the (cv joint centering ball joint)) i have a feeling it isnt it because the u joints felt ok wheni had the axle off. so what im thinking is that the drive shaft is being the amplifing method of the bad product, either the front differential or the transfer case. what i dont get is that i am not even in 4wd. i am in 2wd. i dod notice that the driveshaft is moving with the wheels when im not in 4wd is this normal? Replies to this message: trek87 (Mar 04, 2009 8:16 am)
#330 of 353 Re: 96 grand laredo noise HELP [gbb116] by trek87 Mar 04, 2009 (8:16 am)
Replying to: gbb116 (Mar 03, 2009 11:05 am) i don't know enough about the driveshafts to say whether or not it's normal for both to be moving when your TC is shifted to 2WD mode. it could still be the TC, though. have you tried disengaging it while moving to see if the noise goes away?   i've been hearing murmuring (a bit like noisy tread tires) and other noises coming from my front-end too. i just had my whole drivetrain evaluated at a local jeep dealer, and they found that my TC bearings and VC are worn out and need to be replaced (i have quadra-trac II). when i go back to have the TC work done at the end of the month, i'm going to ask them to check out my driveshafts and wheel bearings/joints as well.   i'm curious to know if you find a solution - i'll update my findings here in a few weeks. good luck.
#331 of 353 MSA3 by msa3 Mar 16, 2009 (9:50 am)
My 2004 Jeep Grand Cherokee intermitently blows warm and cold air at the same time. The dealer said it was a bad door in the dash and removed the dash and replaced it once under warranty and it still is doing the same thing and the warranty is over. When it does this all you have to do is shut the engine off and start it again and the problem goes a way until it happens again. It sometimes takes days or weeks to happen again.   Also, something that just started happening is when you turn the vehicle off you hear what sounds like a vent door opening and closing coming from the passenger side under the dash.
#332 of 353 Re: 98 GC Ltd. questions [trek87] by trek87 Mar 18, 2009 (4:14 pm)
Replying to: trek87 (Nov 17, 2008 10:36 am) so after quite a bit of research and my Jeep mechanic taking me under his wing, we think we've tracked down these issues (repairs scheduled for the end of the month):   1) my OD output unit was making a lot of noise, which explains why it was kicking in around 3rd gear. the unit sits between the TC and the transmission. the slight rattle is just some stiffness in the drivetrain - it goes away after i drive a few feet down the road after a cold start and i'm not concerned.   2) the intermittent slight (and it really is barely noticeable) slippage on sharp turns on a loose surface was another symptom of my TC (also related to item 1 above). my viscous coupler inside my NP247 is worn out. i ordered a reman. since i'd rather just have all new internal TC components and never have to worry about it again (the VC alone is more than half the cost of whole unit). both of my differentials are in perfect shape.   3) & 4) for whatever reason, these issues are gone. who knew? my dealer adjusted my throttle linkage and replaced my idler pulley on another visit, but i don't think this explains it. hey i'm not going to complain.   i will update this post again once i've had all the above work done. Replies to this message: trek87 (Apr 01, 2009 11:38 am)
#333 of 353 vbration in cargo area by smokey1102 Mar 20, 2009 (8:45 am)
When Im stopped in drive, I get a vibration on the floorboard in cargo area right at the back seat. I checked under car at gas tank I hear it but cant find it. 2001 sport with 84000 on it. You can feel in in the car but cant find anything loose underneath. HELP

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