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-   -   popping noise... (http://www.hotrodders.com/forum/popping-noise-82048.html)

97Z28 02-19-2006 01:04 AM

popping noise...
 
ok... the problem is.... when going down the road it hum's. almost sounds like right after you put brand new snow tires on the car. that sound, but, when you turn the wheel it makes a popping noise like something is getting hung up then popping back in place.

now... we changed the wheel bearing and the CV joint on the drivers side, but its still doing the same thing. poping when you turn the wheel and humming down the road.

does anybody have any ideas on what could be making the noise?

oh, and by the way, its a 2001 grand am GT with the 3400 V6. any help would be appreciated. thanks guys...

73oldsman 02-19-2006 03:56 AM

Sounds familiar to this guys problem... http://www.gaownersclub.com/forum/sh...+popping+noise If yours runs into this much trouble, before you change any more parts you may want to get a diagnosis from a front end specialist. Good luck and let us know how it goes! You may also want to help out the guy from the other forum if you figure it out!

TheHarleyMan2 02-19-2006 06:29 AM

Just out of curiousity, did you check the back suspension and wheel bearings? Sometimes when you hear a noise when we think it is coming from the front, believe it or not problems can arise with rear wheel bearings, or suspension when we hear a noise and we have the windows up. Most cases it will sound as if it is coming from the front.

Roll the window down and stick your head out and turn the wheel and listen, 9 out ot 10 times you will hear the noise coming form the back. When a car is in motion and you turn the steering wheel, it actually makes the rear suspension move in unison, due to weight distribution on the rear of the vehicle, even if it is only moving 3 miles an hour, so it IS possible that it is coming from the rear.

To make less work for you, lift the rear of the vehicle and check the rear wheel bearings by seeing if the rear tires have any play in them by moving them in and out, up and down, and side to side, then still if no play in the rear wheels, remove the tire and remove the rear wheel bearings and clean them and take a look at them after they are clean. If the bearings or race shows pitting or wear, then that is where your humming is coming from, could also be the popping noise if the wheel bearing has any play in them. But once you check the wheel bearings, do the following just to be sure.

Lift the rear of the vehicle and try and support the body on jack stands with the suspension totally off the ground, (you may have to actually go to a place that has a car lift to do this, as the jack stands may not get the suspension totally off the ground) Once you have the suspension off the ground, (make sure that the car is stable so it won't fall down on you) shake the crap out of the rear suspension forward and backward, up and down on each side. Check your shocks, spring coils to see if they show signs of movement around the spring mounts, or springs for breakage, Also, check the suspension brackets from the rear axle to the car body and make sure they are not bent and the bushings look good and not dry rotted and torn.

Hope this works for you.

97Z28 02-19-2006 10:03 PM

i havent checked the rear. but when at a dead stop and you turn the wheel you can hear the popping noise in the fron drivers side somewhere. we changed the CV joint and wheel bearing on that side and it still makes the same noise....

61 chevy 02-20-2006 07:04 AM

ball joint or strut top bushing/bearing?

97Z28 02-20-2006 12:16 PM

if it was the top strut mount would it make a humming noise going down the road? The humming noise sounds like a set of new tires do when you go down the road only its louder and you cant single out 1 side or the other.

73oldsman 02-20-2006 12:34 PM

You may have 2 separate problems...My wife's Explorer made a humming noise, which I thought was the tires making the noise since it is a 4 wheel drive vehicle. When I noticed cracks in the tires and had them replaced with the same size and type tires did I realize the noise was from the tires belts being bad. The tires were 5 years old. The vehicle was also out of alignment bad and I didn't even feel it in the front end or steering wheel while driving. Your humming may very well be from the tires and the popping from your front end problem.

97Z28 02-20-2006 03:11 PM

cool... thanks for the replies guys... i appreciate it :thumbup:

73oldsman 02-20-2006 04:05 PM

I did not mean to say the tires was causing the the popping noise, but they may be the cause of the humming noise. I just wanted to clarify that. :)


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