Question about 2003 Chevrolet Malibu

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I have a humming kind of grinding noise coming from the front of my car i greased up the wheel bearings on both sides and changed the cv axels on both sides but the noise is still there what could it be

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  • Anonymous May 18, 2009

    exact same type of noise and on a 2003 malibu

  • Ray Keckeisen May 11, 2010

    how did you grease the bearings they are a sealed unit,my guess is that one of the bearings is bad

  • Kevin Rahme May 11, 2010

    Hi when you are driving and turn dose the noise change it sounds like a hub bearing let me know

  • Ronald Mueller
    Ronald Mueller May 11, 2010

    did you recently change out your brakes?

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Wheel bearing is bad...can't grease a sealed unit

Posted on Jun 04, 2009

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1 Answer

Transmission


Your problem is a bad CV axle and outer carrier bearing failure. The grinding is coming from brake rotor on that side due to the bearing failure. the brake rotor and bearing is causing the lock down. Do not attempt to drive or further damage will occur. Transmission is probably OK. Replace both sides (CV axels and Carrier bearings, 150,000 is time) Check brake components for damage and replace pads while you are there.

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Mazda 6 grinding noise when turning


Grinding noise upon turning is normally one of two issues. First, and most often, it is caused by a worn out outer CV joint. If your vehicle has more than 50000 miles on it and the axle shafts have never been replaced, this is what I would suspect first. In addition, CV noise will be louder when turning under power (gas pedal pressed) than when coasting into a turn. The other possibility is a front wheel bearing assembly. These are not as common, but do wear out as well. The wheel bearings will usually make no noise when going straight, but will make noise upon even the slightest side to side turn. CVs on the other hand, usually grind only when going into corners or making left or right turns. If you suspect a CV joint, but don't have high mileage, you could have a torn CV boot that resulted in the grease that lubricates the joint being depleted and causing the noise. You can inspect the out boots visually for tears....grease leaking out usually leaves telltale spatters in the wheel wells also. Replacement of the CV joint can be done, but it is usually cheaper to replace the entire axle shaft as they are serviced as a unit.

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Grinding noise changes with speed stops when turned right. replaced left front wheel bearing. noise is still there. whats wrong ?


Does sound stop when you turn LEFT?

Turning RIGHT puts the heavy load on the LEFT front wheel.
That initially STOPPED the noise, correct? So why did you change L?

Turning LEFT puts the load on the RIGHT. Did you change the RIGHT?

Let's say this:
If turning RIGHT stops the noise, it's the RIGHT one that's likely bad.
If turning LEFT stops the noise, it's the LEFT one that's more likely bad.

Make sense? Turning RIGHT loads the LEFT wheel; and vice-versa as the WEIGHT SHIFTS AWAY FROM THE TURN.

More than likely it is what some folks call a CV joint problem, not wheel bearings. Try backing up and then going forward to see if "clunking sound" or a sharp "bang" is heard. Wheel bearings and CV joints only work if smooth. Sometimes a BEARING RACE is bad. Also, a bad spindle / part of the CV joint / transaxle assembly worn or badly machined. If in a WET ENVIRONMENT especially, u may want to try marine grade grease or teflon-added grease.




Does sound come from POWER STEERING PUMP area?

Nov 30, 2009 | 1997 Buick LeSabre

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When making a left-hand turn, a loud grating noising comes from the passenger side front wheel assembly. The frequency of the noise increases with speed, and the intensity of the noise increases with the...


ck the CV boot. if its broken you need a new cv axle, if its ok, jack up the car so both wheels are off the ground. either put the car in drive or just manually spin each front wheel while gripping the coil spring for the front strut. if you feel any (roughness) at all, that wheel bearing is bad. it should be smooth. if you have a bad one you will know it by this method. Even good mechanics sometimes replace the wrong bearing, but this 100% works every time.

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2 Answers

I have a grinding sound on the front driver side when i turn left only wat is it


could be you brake pads are low, you have a lip (indentation from ware) on you brake rotors have your brake pad linings check and turn your rotors. hope this helps

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1 Answer

05 scion xb humming noise coming from right front wheel area


Check you wheel bearings and CV joints. Check the inner CV joints also.

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