I have a problem that has just occurred. I have a 1994 Jeep Wrangler, 4 cyl, 5 speed. It has 112,000 miles. This past week, a "whining" sound has occurred in all of the gears. It only begins when you push on the accelerator after shifting into each of the gears.
If you release the accelerator the noise stops. If you put on the clutch the noise stops. If you coast, the noise stops. If you press on the accelerator, the noise begins again.
The noise increases in frequency, with each gear change. It is almost unbearable in the cab, yet when you reach ~55 mph, the frequency drops.
This whining noise can also be heard as the jeep passes by. I had my daughter drive it past me so I could hear.
Does anyone have a clue as to what is causing this noise with the gears. I would think you would hear it at all times, whether one pressed on the acelerator or not. At first I thought it was tire whining, like the high pitched whine that one hears from a semi-truck. But it looks like it is more complex than that.
Any suggestions, comments, are greatly appreciated.
Could be the front or rear ring and pinion... Then you accelerate, the pressure is placed on the leading(?) side of each ring gear and when coasting or deccelerating the pressure is placed on the trailing(?) side of each ring gear... I'd check/change the fluid levels in your axles before I'd do anyhting else... Just my guess, though...
91 YJ 4-Banger
That's where I thought I would check first. My daughter was drivung the jeep the past several weeks. She just had the oil changed (~ 600 miles agao) and supposedly "all" fluid levels were checked. I just heard the gear noise last night and thoughyt I would check with others with jeep experience before I decide if I am going to jump in and try to fix or take to a more "qualified" mechanic.
mine makes the same sound i have 93 yj with 135000 2.5 4 banger i changed all the fluids and it did not help checked the u joint's all fine i am going to drive until it get's real bad or it don't roll that is all i can do OR just rebuild the rear with new bearing's but right now with the holiday's almost here no way
I had the same thing ... it was the throw-out bearing .. a pita to fix .. but if you don't, it could mean a new tranny for you ..
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well i just looked at my repairs done to the jeep(2nd owner)clutch,pressure plat,throw out bearing,,slave cycl,2 rear univer,cost her$674.00 done at 115689 miles a go now i have 135672 that is 20000 miles on a clutch well it can not be that it is either low gearing(4:10) or bad tranny, maybe rear??? well i am going to have to live with it i do not want to take a very expencive guess money does not grow on trees
It could still be the throw-out bearing; normally the bearing only is in use when the clutch is pressed, but if the clutch isn't installed or adjusted correctly, the bearing is being turned all the time and can cause it to wear out very fast.
You may want to have the clutch adjustment (I'm not sure if there is one with a hydralic clutch, but I know that the older ones are adjustable) checked and if it out of whack, I'd contact whoever put the clutch in and make them fix it for cheap (like free).
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