Question about 2002 Chevrolet TrailBlazer

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Why is there a knocking noise from front drivers side?

I have a 2002 Trailblazer 2 wd, over 200,000 miles on it, recently had the motor replaced along with starter, motor mount, radiator, coolant overflow, battery & back axle. (There may be more that I am forgetting) Anyways, there is a strange "knocking" noise on the drivers side front. It happens when I accelerate, when I stop & even when I cut the wheel far to the left sometimes. It's not a constant noise and just started about a week ago. I can also feel a slight tapping on the floor board with my left foot when I hear the "knock". Can anyone help me in this department? Also, unrelated problem, My transmission does not resister on my dash board of what gear I am in, however the lights do work, it shows P, R, N, D, 1 & 2 this also happened with-in a few days. As you can see from above I am just about OVER putting anymore money into this thing. Any help would be greatly appreciated.

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  • Chevrolet Master
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There are a lot of moving parts that could cause this. 1st place I'd check is your swaybar end links. These make knocking sounds and go out prematurely...cheap fix though. Others could be swaybar bushings, tie rod end, struts, upper and lower control arms to name a few.

Posted on May 16, 2014

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If the noise happens when the engine is running and the truck is not moving... Its a good possibilty that its an engine problem.. Go see the person that replaced your motor.. And ask what it is? If there is no noise when stopped but running and you are pressing on the gas pedel increase RPM.then it could be something like a loose or broken shock.. or a cat converter loose and bumping into the floor.or the cat converter heat sheild loose.. You might try taking it to a different shop from the one that did the work and getting an estimate.. Most good mech. can pretty well pinpoint a knocking noise without taking anything apart and usually will give an estimate for free. If not for free go somewhere else.. I guess you got some kind of warrenty on the work you have had done?

Posted on May 16, 2014

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Posted on Jan 02, 2017

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SOURCE: Steering gear box knock

Lube your intermediate steering shaft. It is very easy. Remove the bolt in the shaft that you can see from under the hood and push the steering shaft up toward the firewall. Where the shaft goes into itself place some grease and work it back and forth. This will last quite a while, but is easy to do again if need be. Replace the bolt and you should be go to go. The dealer will charge you $150 to do the same job. The knock goes away as soon as you test it out.

Posted on Apr 21, 2009

  • 1 Answer

SOURCE: Noises problem 2006 Chevy Cobalt 4 cyl Front Wheel Drive Automati

Have a mechanic check lower control arm bushing at the rear of the control arm.It is a horizontal bushing retained by a vertical bolt clamping it to frame.The tire will move more forward and back more than it should during braking. canuck mechanic.

Posted on May 07, 2009

  • 245 Answers

SOURCE: knocking sound from wheel well

it sounds like you have a bad cv axle on the drivers side.

Posted on May 15, 2009

raffaiel
  • 209 Answers

SOURCE: Knocking noise in steering wheel

heve you checked your steering fluid? if the fluid is of check the bearing of steering pump and also the bearing of the tensioner.

Posted on Jun 09, 2009

roniecon
  • 6927 Answers

SOURCE: 2002 Tahoe will not start

check and recheck all conections on battery and starter and grounds on battery and the ground on engine bblock and body ground or grounds,if not sure make another one ,check connections at battery ,it does sound like a bad ground to body and eng just make ur owne and see what happens

Posted on Jun 28, 2009

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