Question about 2003 Chevrolet TrailBlazer

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03 Trailblazer Front End Noise/Vibration

03 Traiblazer front end vibration Replaced rotors, brakes, and wheel bearings. My only other solution is the diiferential output shaft bearings are worn. If you turn vehicle to the right hard it gets worse, to the left it gets quieter. I put it on a hoist and engaged 4X4 but I could not reproduce the noise. I suppose it's from no resistance on the wheels. Any help would be nice Thanks

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  • yodcw2003 Dec 23, 2008

    I have a a grinding noise on my '03 Trailblazer coming from the front passenger side. I have rotated rotors and replaced brake pads but still have the same grinding noise. It occurs when I'm accelerating. Any ideas?

  • irvshep Dec 24, 2008

    I have a 2002 chevy trailblazer with similiar issue. Inspected tire, changed rotor. noise comes in at 30 mph. can feel vibration. lessens above 40 mph.

  • Jenay_Gina Apr 12, 2009

    I have a 2003 Trailblazer the other day I was backing out a parking spot, and as I turned the wheel there was some put-ting (vibrating) in the gas pedal, and i had too push harder than usual. The car acted as if it didn't want to back out. So now that happens, and also when i turn right and left it does the same thing the put-ting ETC. Can someone please give me some suggestions?????....

  • Anonymous Mar 25, 2014

    03 chevy 2500 hd replacing half shaft bearings

  • Anonymous Mar 27, 2014

    center bearing looks worn and makes vehicle vibrate

  • Darkwing Dragon Apr 19, 2014

    similar situation on my 2007 ford Taurus. low dull short hum, that comes, as goes as I`m driving, also as the hum comes, it also produces a slight vibration on my accelerator pedal. replaced all struts, sway links, and ball joints. also tires are new, and brakes are still fairly new. (only about 1 year old, plenty of material left, rotors are not worn)

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I had similar problem with my 03 trailblazer. It had a low dull hum in the front end with a little vibration being felt in gas pedal. Noise increased over a couple weeks and was louder turning to the left and quiter turning to right. A GM mechanic friend of mine replaced the front right hub and took care of the problem. Hub was about $160 at Autozone.

Posted on Feb 13, 2009

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When you turn left you are loading the left front wheel bearing causing the noise to increase. Turning left would switch the front load to the right side, causing the noise to decrease. Replace your left front hub/bearing.

Posted on Aug 08, 2012

  • Chris Bergen Aug 08, 2012

    My apologies, the first line should read "When you turn right..."

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On my chevys it was always the universal joints on the front driveshafts usually the pass. side goes first.

Posted on Dec 01, 2008

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What condition are the tires in

Posted on Nov 30, 2008

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Can be a loose tie rod end, front sway bars links are known for going bad, loose upper ball joint, hood latch squeaking (adjust the hood bumpers and lube latch), shudder and/or vibration noise while making low speed turning maneuvers caused by the steering rack

Posted on Nov 30, 2008

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Hi, In allmost any vehicle those Hard vibrations are caused by worn tie rod ends ,you can check them by lifting the vehicle and moving the tires hard and looking at the tie rod for exesive wear thi are the ones that atach to the knukle behind the weels, wile the car still up also check the pitman arm and the idle arm for wear,this are the ones conected to the bar that turn the weels,CENTER LINK BAR. is better if you have someone to help youso you can see better under the vehicle.

Posted on Nov 29, 2008

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1 Answer

Vibration front end


check tyres for balance and high spots in the side walls and tread. Have a wheel alignment to correct castor problems . check front end for serviceability. Check brake pads for grabbing and not free of disc rotors. Check the disc rotors for warp and run out . Check front wheel bearings for condition and tension.

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I would start with the easiest and get your wheel balance checked.

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usually vibration while braking means he rotors are warped and u need to replace or cut [rotors are cheap enough that replacement is usually recommended -but also with front wheel drive vehicles a bad hub[wheel bearing]or cv axle can cause a vibration / noise from front

Apr 09, 2013 | 2003 Ford Taurus

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Whats makes the front end shake if you have replaced the brakes, roders, caliperes, and everything else that has to do with the brakes


Front end vibration has little to do with the brake system on the car. Yes you can get some "brake shudder" when you apply the brakes when you have worn brake rotors or when the rotors are not properly aligned on the hubs. However from what you have said you do not have this problem.

Front end vibrations can be caused by a number of factors some of which are listed below:



1. Front wheels out of balance. (Common problem on many vehicles).

When were the front wheels last balanced? You will get vibrations through the car and the steering wheel at particular speeds. This will/could also occur if the wheel rims have been distorted as a result of abuse.

As a first step the wheels should be balanced and then retest the vehicle for the problem.

It can be impossible to properly balance some wheels because the tires fitted to the rims are of poor quality and contain heavy spots that are impossible to correct with wheel balance weights. If you have cheap tires fitted on the wheel rims then it may be impossible to balance the wheels properly because of the imperfections in the tyre. In that case you will have a permanent wheel vibration problem which will only be rectified by fitting good quality tires and re-balancing the front wheels.

If aftermarket wheel rims have been fitted to the vehicle this can also be a source of vibration. Some wheels on the market are poor quality and can be slightly out of round and/or have heavy spots in them which can be impossible to correct when you fit the tires and have the wheels balanced. Many people think a cheap set of "blingy" aftermarket wheels are a great buy but if they are poorly built (as is often the case) you will usually have no end of problems.

2. The front wheel alignment could be out.
If the front wheels have not been aligned in the past 12 months they probably will be out of alignment. When you have re-balanced the front wheels you should have the front wheel alignment checked and then re-aligned if it is out. However if their are worn suspension components (see 4) found on the car which need to be replaced, this repair needs to be done before the front wheels are re-aligned.

3. Worn out wheel bearings in the front hubs.
If your front wheel bearings are badly worn you can get a vibration through the steering wheel. If the vehicle has done about 100000 miles or more on the front wheel bearings they should be replaced. In any event , any competent mechanic can jack up the front of the car and check for excess play in the wheel bearings.

4. Worn out suspension components. The front end of the car should be checked for badly worn suspension and steering components.

I would recommend you take the vehicle to a competent mechanic or a suspension specialist in your area and have them check the vehicle for you.

I hope this helps.

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1 Answer

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when turning left vehicle distributes weight to right front wheel bearing causing load. since u describe a noise in right front while driving straight i would suspect failed right front wheel bearing. see if your noise changes/goes away while turning right that should tell u 4 sure

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do u feel the vibration in the steering wheel or in the seat,i bet the most vibration was coming out of the front brakes and a little out of the rear brakes,u might want to change the rear brakes if the vibration is still annoying,also were the front wheels torqued to spec when installed?? if not u might end up with warped front brakes again,hope this helped

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