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SUVs Jeep Cherokee and Jeep Grand Cherokee Jeep Cherokee
2529 messages, Last post on Nov 25, 2009 at 7:57 PM
You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester
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I really hope someone can help me with this problem I'm having... I started to get this wobbling vibration in the rear of my Jeep at about 40 to 50 Mph. It wobbles so hard that it almost feels like the rear end is going to fall off the truck. Problem solving the issue, I first thought was that maybe the drive shaft was out of balance. In thinking that was the problem, I went ahead and pulled the drive shaft off. After doing so, I went ahead and took the Jeep out for a spin in 4 hi. Again, when I got to about 40 to 50 Mph, the wobbling vibration still occurred. So than I went ahead and lifted the front end of the truck up and spun up the tires. I wasn’t getting any kind of vibration at all. In doing so, I realized that it had to be coming from the rear end of the jeep. So my question is this, what would cause the vibration? I tried out different tires but it still occurs. The one thing I haven't done was to change out the shocks in back. Do you think that this would be the problem? If there is anyone who can help, it would be greatly appreciated.. Tracy 
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Replying to: mataus (Apr 16, 2009 7:50 pm) I'd look for the easy stuff first. Get under your jeep or lift it up such that the wheels are still on something so that the suspension is compressed (be safe!). Look to see if any nuts have come off of the suspension components. Break out your torque wrench and torque EVERY bolt\nut that is part of your suspension. Take it out for a drive. Still there? Check your rear wheel bearings. You should be able to jack it up to see if you have any play. It could be your shocks but you should be able to rule that out by standing on your bumper on each side of the vehicle and stepping off. If it oscillates more than a couple of times, you may have a shock issue. Typically you'll see evidence of oil leakage on the shock if they're bad. Hope this helps. Good luck. |
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Replying to: mataus (Apr 16, 2009 7:50 pm) 
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Replying to: mguy (Apr 17, 2009 12:43 pm) |
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Replying to: salinity (Mar 29, 2009 10:28 am) --ALSO!! NEVER-NEVER run ANY of that 5wxx oil!! this stuff wasn't even used as break in oil back in the -70's..it's too thin!!.. -as a extremely poor person-forced to drive other's throw aways,and have bought more than one car,where despite what i thought was a decent test drive-when -80 degree weather hit-i'd start hearing a rod knocking..one car was so bad,and my need for a running car were so desprate,i ran straight sae 50 in it..it lasted me over two years!..not too bad for a 500.car.. --why the manufacturers recomend this thin-crappy oil is two fold..one is,a engine running thinner oil will get a ounce better gas mileage,raising their corprate fuel mileage..--second,running 5w20 oil ,the engine will only last about 100,00 miles-at best,and that's when they want you back in the showroom,so they can sell you a NEW one..making cars last doesn't do their bottom line any good,-it's called "planned obsolecense"..that's why fuel pumps-witch are a ROYAL pain to replace-only last about 80,000.. --if you want what you got to last,use the heavier oil,put in the zmax,don't put that cheap crappy gas in a old car(duuuuh!!)heavy synthetic-a10 or 15w40-50 in a jeep should keep it putting along for many good miles,-it won't help when you roll it down the hill sideways,but-ya can't have everything!!
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Replying to: loosenut (Apr 22, 2009 5:29 pm) |
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My boyfriend and I are having a bit of an arguement that I would like someone to settle. I have a 1994 Jeep Cherokee with 237,000 miles on it. I have lovingly taken care of it for 10 years, but it is getting a little feeble. About 4 years ago I had to replace the entire cooling system (water pump, radiator, clutch fan, thermostat and housing and all the hose lines), I did it myself in the front yard, so I have an intimate knowledge of how it all works. Last summer I had some overheating issues and had to replace the clutch fan again and since everything has been fine. Fine, until my boyfriend drove it for several hours coming home from vacation (OBX to Maryland). We were loaded to the roof and had two large kayaks on the top, one of the largest loads the Jeep has ever had to haul. My boyfriend likes to drive as fast as possible, so I'd say between 80 and 85 MPH, he also made it down shift to pass other vehicles at this speed. Needless to say, it got too hot. He says there is something still wrong with it. Is there, or is he expecting too much from a 1994 Cherokee? I usually drive it at about 65 MPH and never have any problems. Not even in stop and go traffic where the engine is not getting |
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Replying to: jeepgirl3 (May 26, 2009 6:26 am) Redlining is probably not a good idea! tidester, host SUVs and Smart Shopper |
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Replying to: jeepgirl3 (May 26, 2009 6:26 am) --did it hurt it?,or is it still running-the way you normally drive it? -downshifting for power is better than "lugging" the engine..(from a old bus driver running the las vegas run many times)..saw many "city drivers" try todrive the desert grades in drive,while i had to downshift-and would burn up their motors!.. -downshifting isn't nesiserially bad,but watch the tackometer-and don't "redline"-especially an old,tired engine..you gotta be easy on old stuff-if you want it to last..it'd be like taking a old horse-loading it down,and expecting it to run the kentucky derby! i agree with you..take it easy on old gear-if you want it to last!!
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