Just bought a 1993 2.5 diesel car, it has ecesive noise from both front road wheels , yet no play in wheel bearings. do they suffer from wishbone or lower suspension arm failures? also what oil is suitable for manual transmission?
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Re: Transmission / road noise
If the noise in the front increases whenever you drive forward with the wheels turned then you can be sure that the CV joints are worn out and in need of replacing. Also,,even if there is no play in the wheel bearings,it doesn't mean the bearings have not worn out. The transmission oil type should be specified on a sticker inside the door jamb,,or under the hood.
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Sounds like a half shaft. Reach around behind each wheel and see if there is play in the shaft that leads from the wheel to the transmission. There should be no play. Other possibility is a bearing hub. Jack up car, grab the tire at 9 and 3 o'clock. Shake wheel if there is movement not from the tie rod then it is the bearing hub.
Did you recently change your tires? An aggresive tread design, like a mud and snow tread, can create road noise that becomes more noticable at higher speeds. Bad wheel bearings can also produce a "roaring" sound, especially in front wheel drive cars. To check them, jack the front wheel up and spin the tire by hand. It won't spin smoth and even, there will be some resistance and you will hear grinding or crunching.
If your transmission was low enough on fluid, it could conceivably make noise. Also check your U joints or CV joints for play. any play in them will make noise although it is usually accompanied by a feeling of looseness or "jerking", especially when making changes in direction or speed.
There can be a lot of reasons for noise, but start by checking these things first. Hope this helps.
Actually it sounds more like a wheel bearing(rear wheels) or hub bearing(front). You should make every attempt to get this fixed as soon as possible. If you continually drive the vehicle, the defected bearing(s) can and will seize up, locking that wheel and most likely causing other significant damage to your vehicle.
If the transmission has ever been low on fluid it could have ruined the differential. This will make a whining sound going down the road. You could have wheel bearings going out as well. You can check those by getting up to the speed in which the noise is clearly audible, then swerve the car back and forth. Obviously we're not trying to crash the vehicle so you don't have to be overly aggressive here, just back and forth. If the sound changes pitch or goes away then it's a wheel bearing.
The noise you're hearing is consistent with a bad wheel bearing. It's true, the only way to actually tell is to pull the hub/bearing. I'd try to isolate what side of the car the noise is coming from and pull that wheel. If it's not a wheel bearing, it could be transmission related but these things are usually solved by replacing the wheel bearing.
Wheel Hub Assemblies: Systems and Diagnosis of Worn Hub Assemblies & Bearings
Front wheel hub assemblies and bearings control the position of, and reduce the resistance of, vehicle wheels in contact with the pavement. When they fail, front wheels may not be kept in position and vibration and noise usually develop. Symptoms that normally develop as a result of these worn parts include:
A humming, rumbling or growling noise which increases with acceleration or as the vehicles turns
Vibration felt in the steering wheel, which changes with vehicle speed or as the vehicle turns
Looseness or excessive play in the steering wheel (especially while driving over rough road surfaces)
A loud, constant grinding noise when driving the vehicle (heard in the most severe cases of a wheel bearing failure)
Pulling to one side when braking.
Roughness - with the vehicle of the ground, roughness or vibration when rotating the wheel
Looseness - with the vehicle off the ground, looseness when wiggling the wheel back and forth (Looseness may also indicate a worn ball joint)
Excessive brake pedal play can also indicate sloppy or excessively loose wheel bearings
ABS failure in the system may be related to failure of the ABS sensor in the hub assembly or the internal sensor in the wheel bearing
hi there, there are two ways to check your bearings, 1, is to jack up the vehicle so the wheel is free of the ground and to check for any play or roughness in the bearing by spinning the wheel, if the bearing is worn then you will hear a droning noise, 2 is to drive along a quiet road, at a speed where you can hear the noise, gently turn the steering from left to right so the vehile load is being shifted from one side to the other, if you have a wheel bearing fault the noise's pitch will alter,hope this helps
Wheel bearings are likly and I've changed many to solve this problem but it's esy to pick the wrong one with e vehical jacked and on jack stands suporting the car by the lower control arms ( normal ride hieght) run the car with a driver and listen to ti run , of course theres no load on the powertrain so there will be some lash ( power on to power decline ) cheack up. The roaring noise can be isolated by puting a sounding bar ( long metal rod ( sr=crew driver)) other against the part till the sound is rounded up rear but possible the carrier bearings in the (rear end) front drive. The axel bearings and on some units the carrier bearing thats in the CV axel on the block. Sounding rod will find and change the noisey part. Professional help is a good idea if you can't carry this out saftly
it does sound like wheel bearing a cv joint dont make noise and then stop but you can jack the car up and in neutral try to shake the tire from side to side.to see if you have any play then turn the wheel by hand try to feel for roughness in bearing. let me know what you find. Phil.