Question about 2002 Chevrolet Avalanche

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Vibration Have a drivetrain vibration between the speeds of 95 to 108 kmph, what could it be?

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Have you got any issues with your tyres ?Try rotating them and see iff that helps or eliminates them as a cause

Posted on Oct 11, 2008

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REPEATLY worn out carrier bearing on my 2001 GMC Sonoma extended cab ( 4.3 , 4speed auto 2wd) what could be the cause of this even after I've had it rebalanced?


  • If the bearing fails and seizes up, the rubber will be torn away from the bearing. The seized bearing can tear away the rubber mount that supports the outside of it allowing the bearing to rotate with the driveshaft. This allows the driveshaft to wobble up and down causing a vibration.
  • The rubber can also deteriorate due to age or contamination with oil. The driveshaft will operate at the wrong angle and vibration or noise will result. The vibration occurs most often during hard acceleration.
  • A worn center support bearing can cause a whining sound that varies with vehicle speed. The noise is constant in pitch, rather than changing or intermittent like U-joint noise.
  • If the truck has been raised , the alignment of the drive shaft will also change, A damaged driveshaft can exhibit a variety of symptoms. A clunk that is heard when the transmission is shifted into gear is the most obvious. You can also encounter unusual noise, roughness, or vibration.
    NOTE The engine, torque converter and driveshaft change in frequency as rpm changes. A rebuilt torque converter is often the cause of a vibration that is rpm-related.

    To help differentiate a potential drivetrain problem from other common sources of noise or vibration, it is important to note the speed and driving conditions at which the problem occurs. Unfortunately, it is often difficult to accurately pinpoint drivetrain problems with only a road test. Expand the undercar investigation by putting the vehicle up on the lift, where it is possible to get a good view of what is going on underneath.

    • Check the companion flange, carrier bearing, pinion shaft seal, and pinion bearing, transmission's extension housing seal and bushing, and the u-joints.
    • Check the driveshaft for runout, or the amount that a part wobbles up and down or side to side when it is in motion.

Sep 23, 2011 | 2001 GMC Sonoma Extended Cab

1 Answer

I have GMC Envoy 2004 model. since few days i have notice that if i drive in a speed more than 100 KMPH, there is a slight vibration. please advise what could be the reason...


possibly a bad u-joint. Sometimes a u joint will feel ok but if it is too tight it can cause a vibration. you will need to remove the shaft to feel if a joint is too tight and binding. Or you have a tire out of balance. Usually a driveline vibration is more of a buzzing high frequency type of vibration the kind that puts your foot to sleep and a tire is more of a wheel speed vibration which is a lower frequency vibration.

May 02, 2011 | 2004 GMC Envoy

1 Answer

My concorde has a wobble at low speeds and a vibration at higher speeds ive checked the tie rods and bushings they are in place and tight could my problem be with my drivetrain? if so what could it be?


Hi,

You could either have a bad wheel, which could be a bent rim.

You could also have a bearing in one of the wheels that is gone causing the vibrations and wobble.

When the vehicle is raised, have the tires turned one by one and you will find the culprit (engage neutral gear and put a chock if you are doing it yourself. Safety first).

Hope that helps.

G

Mar 08, 2011 | 1998 Chrysler Concorde

1 Answer

I have a 2003 accord, the problem is when crusing between 40 and 50 I will get a flutter in the drivetrain. Shakes the car like a front tire is extremely out of balance. Let off the gas or give it more it...


i agree that it could be the trans. when operating the vehicle, instead of putting it in drive, put it in 3rd. accelerate to 40-50. the vibration might be the result of the trans not being able to shift properly into overdrive (4th). if the vibration goes away, then suspect the trans, since the trans will no longer be able to shift into 4th. if the vibration is still there, suspect an axle out of balance since the speed of the axle will remain the same.

Mar 12, 2010 | Honda Accord Cars & Trucks

1 Answer

Yukon 99 vibrate badly below 60 kmph spd


sounds like a misfire.check all the wires are tight to the plugs.,or do a compression test .if the compression is good,then it has to be electrical

Dec 08, 2009 | GMC Yukon Cars & Trucks

2 Answers

I have a vibration in the front drivetrain on my Sorento. the vibration starts at about 30-35 mph and gets loudest at about 65-70 mph. The weird thing is that teh Vibration and associated noise completely...


ball joints or bent rim. Does it click or thunk when turning? It may be tie rod as well. You can lift it up and try turning wheel by hand and shake it to see how much play there is.
Check the there is a weight on the rim. Every one is supposed to have one.!!!!

Oct 27, 2009 | 2003 Kia Sorento

2 Answers

I have a 03 Sorento, is the center bearing on the drive shaft a slip on fit or a press on fit. Pretty sure mine needs changing.


Interference fit- meaning it can be worked off with a little help of a hammer andpunch, It can also be a slip fit so try before you pry. Good Luck _Ned_

Oct 19, 2009 | 2003 Kia Sorento

2 Answers

Vibration


your highway acceleration problem could be a coil problem. Not sure if that year of chev has coil packs or not but experienced same thing with ford 5.4L. went through 3 coil packs and did the same thing each time before biting the dust. Transmission seems to be sticking on the 1to2 upshift and could be a sticking solenoid in the valve body of the tranny. If the shifting problem persists then the tranny deffinately has to be rebuilt. It's made it quite far if tha is the original tranny, you cant expect too much life out of it if it has been worked hard. I highly doubt a fluid change would help at all. Or if you want, you can buy a can of new truck from GM for about 25 to 35 thousand bucks! Typically works great!

Apr 23, 2009 | 1992 GMC Sierra

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