Question about Pontiac Grand Am

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Pontiac Grand Am Popping sound when the wheel is turned

My son has a 1999 Pontiac Grand Am GT. A year ago he had front brakes put on and the car began to make a thumping sound such as a spring being twisted and popped. This occurrs when the wheel is turned to the right or left at slow speeds, 5 mph. It does not happen everytime. I mentioned it to the garage and they told me he needs new struts. Well the struts just went on and the car is still making the poping sound. The garage cannot find out why and it is driving them crazy. The car has 104,000 miles on it and runs great. The weilds have been checked as well as the transmission no problems found there, any suggestions?

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  • sfc_coop Apr 21, 2009

    1999 Pontiac Grand Am. I have the same problem. Very sporadic but a definite heavy spring popping sound when making a slow tight turn out of a driveway or parking lot? I cannot locate any signs of rust. I thought possibly the spring was coming loose in its housing but see no evidence anything is breaking loose? My sound is coming from the front wheel passenger side. Otherwise the steering seems pretty sound.



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Old thread but its the upper strut mounts, they are notorious on these cars

Posted on Aug 30, 2011

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Broken sway bar 90% possitive

Posted on Apr 24, 2009

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Sounds like a half shaft to me try turning in a tight circle and see which side it clicks on left or right
make circles in both directions

Posted on Apr 15, 2009

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1 Answer

2002 grand am gt sedan right front clack, and popping when turning or slowing down

If you hear a clacking sound esp. while turning. Sound like your CV joints (constant velocity) or Front Wheel Drive axle.

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sounds like you may have bad cv axles or cv joints whicherver you want to call them have them looked at you may find thats where your problems at.

Nov 19, 2011 | 1999 Pontiac Grand Am GT

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What causes the brake pedal pulsates occasionally when stopping the car.The car is a 2001 Pontiac Grand Prix GT and somtimes(about four times a day the brake will have a pulsating feel in the pedal along...

When you put your wheels on , most people do not realize that the wheels need to be torqued down. A lot of mechanics just use there air gun or brute force to put a wheel on a disc brake. If the bolts are over tightened or unevenly tightened the disc will warp. That is what is causing the pulsing when you brake. The only way to fix the pulse is to put on a new disc and torque the wheel correctly. Having the disc turned will only amplify the problem. You need to replace the warped disc with a new one.

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Thats bad, if it really is the trans. When wheels are up in the air, put the car in gear, and grab the coil spring. If a wheel bearing is bad, you will feel the vibrations through the spring. If you compare right and left, you will be able to tell which wheel bearing is bad.

Dec 16, 2009 | 1999 Pontiac Grand Am GT

1 Answer

What are front spindals

If you are looking at what i think you are the front spindles are actually called knuckles, they are the basis of your front suspension. The strut connects to the top of them, the tie rods connect to the front side of them and they also hold your wheel bearings, brakes, and cv shafts.

Mar 15, 2009 | 1999 Pontiac Grand Am GT

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98 Pontiac Grand am load clunk, shaking

sounds like lower balljoints or inner tie rod ends jack up the car try to move wheel from side to side

Feb 13, 2009 | 1999 Pontiac Grand Am GT

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1999 grand am gt makes a loud noise

There is a common issue with the 1999-2005 Grand Am with the ABS/Traction Control system. The problem ranges from being intermittent, usually during slow-speed turning maneuvers, to constant, every time you drive the car.

The problem usually is tied to the wheel speed sensors, or the electrical connections to these sensors. The front seem more problem-prone than the rear. As 'first-aid', the preliminary step usually involves removing the wheels and inspecting the wiring and connector If everything looks intact continue on.

Disconnect the connector, clean the contacts, give it a dab of dielectric grease, and reassemble. If the problem persists, it is best to have the DTCs (Diagnostic Trouble Codes) read to determine the malfunctioning component. Once that is determined, replace the malfunctioning unit. The wheel speed sensor is part of the hub assembly and can not be purchased separately.

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Dec 30, 2008 | 1999 Pontiac Grand Am GT

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