When I drive down the road the front end clunks. If I gently pull the steering wheel to the left or right (just a half inch) the noise stops. Also, if I accelerate from a stop too quickly the entire car will shudder. What is causing these problems?
Sounds like a bad cv shaft. If there is clicking while making a turn, 90% of the time you will need a new cv shaft. The shudder also denotes a bad cv shaft (front axle) Most axle repairs cost up to $400. If you are charged more, find a new mechanic. if the car feels like it floats back and forth (side to side) Be sure to check the control arm bushings. If you are not sure how to inspect them, visit a service center. Any problem in the suspension should be addressed immediatley. Stay safe.
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If you here a roaring noise in your front wheel and when you turn one way or the other and it stops. then your gonna be looking at changing your wheel bearing ( hub assembly ) , but how do you know which one to change. Well when driving down the road, move steering wheel back and forth easy, which ever way you turn the wheel and the noise stops that is which side is bad.
Example : your driving alone and you turn your wheel to the right and the noise goes away, then it's your right wheel bearing ( hub assembly ).if you turn to the left and the noise stops, then it's your left wheel bearing ( hub assembly ).
this might help: Here is the Technical Service Bulletin that maybe of help, worth looking into but can't guarantee that it would fix your problem Steering - Steering Column Clunking When Turning TECHNICAL Bulletin No.: 01-02-32-001P Date: November 25, 2009 Subject: Clunk Felt/Noise Heard From Steering Column, Steering Gear and/or Front Of Vehicle During Turning Maneuver and/or Steering Wheel Rotation (Replace Intermediate Shaft As Directed) Models: 2001-2004 Buick Regal 2005-2008 Buick Allure (Canada Only), LaCrosse 2000-2008 Chevrolet Impala 2000-2007 Chevrolet Monte Carlo 1998-2002 Oldsmobile Intrigue 2004-2007 Pontiac Grand Prix Supercede: This bulletin is being revised to add the 2008 Buick LaCrosse/Allure. Please discard Corporate Bulletin Number 01-02-32-001O (Section 02 - Steering). Condition Some customers may comment on a clunk type noise coming from the front of the vehicle while driving during a turning maneuver. 1. Locate a large area (parking lot) where the vehicle can be turned in a tight circle. 2. Turn the steering wheel to the right and/or left all the way to the steering lock, then off the steering lock a 1/4 turn. 3. Drive the vehicle approximately 5 km/h (3 mph) in a circle, preferably over rough pavement or seams on the road surface. 4. Drive the vehicle straight ahead at idle speed while applying and releasing the brake pedal. Listen/feel the steering wheel for the clunk/noise condition. 5. If a clunk is felt in the steering wheel, the MOST likely cause is the I-shaft - not the steering gear. Continue with the correction. Correction DO THIS - Replace the intermediate shaft DON'T DO THIS - DO NOT lube the intermediate shaft Replace the existing intermediate shaft
Take a look at the cv joints....the boots that cover the ends that go into the tranny and the end that attaches to the tire area. Look at the color of the oil...see if it is grey or tainted with anything other than motor oil.
Take a look at the belts....cracks fraying, shredding....is the belt tight....that type of thing for the belt inspection....look for shiny spots...leads to squealing.
Drive the vehicle at different speeds....you're paying attention to the "feel" of the steering...this will give you indications of the front end....it pulls left, it pulls right.....wobbles....make turns left and right....listen for clunks....all this will let you know the condition of the front end/steering system.
Get on the highway or open road.....drive about 45-65 and slow down faster than usual...if it pulses in the front end, and you can feel it in the steering wheel...good bet the rotors are warped from high speed braking. Squeeks when you apply breaks....brake wear indicator telling you the brakes are worn.
Jack the front of the car up and twist and pull...push and pull the left and right tire....anby wobble or noises...may have bad bushing/ball joints/cv joints.
there is a lot of stuff to look for...but this is a few things to keep you busy.
I doubt it's your 4x4. Most transfer case will start turning the front driveshaft, meaning that BOTH front wheels would try to turn.
Could be a brake pad/caliper locking up on your left wheel. That'll make that wheel turn slower resulting in the veering left.
Could also be a wheel bearing. However usually you'll hear a grinding noise to go along with that. And it'll pull rather consistently in that direction rather than suddenly.
Or, what first comes to mind is that your steering box is loose, or the gear inside the steering box is stripped in one spot. Or your front tie rods could be shifting or possibly ball joints. These would cause a sudden shifting/veering.
All of these things are front end related. And also very dangerous. Take it down to any alignment shop, have them put it on a lift, and diagnose immediately.
Worse case scenerio is that a front end part breaks and sends you out of control and into someone else. Please get it checked. A diesel Suburban could do a lot of damage.
may i offer you sound advice? i would not continue driving this vehicle untill you have had the steering and front suspension checked ot also for any chassis damage which may have been attributed by the cause of this supposed minor? shunt because if your car has some serious fault dangerouse not just to yourself but other road users or passengers? could you live with the possible consequences ?? hope this helps? and wish a merry xmas frm the uk
Its probably the intermediate steering shaft. The shaft where it goes thru the firewall is known for clunking on these trucks. GM makes a lube kit to fix the noise. I don't have the part number handy, but the parts guy at the local dealer will know what you are looking for.