Question about 1998 Buick Regal

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Clunking sound starting car

Clunking sound under the hood when I start the car. The noise goes off as soon as I turn on the AC. What could it be?

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Could be a bad clutch in the ac pump,try sprayin some wd-40 on the clutch with the ac turned on, this would only be a temp fix if the thump goes away, but will let u know if its the ac clutch

Posted on Oct 12, 2013

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Posted on Jan 02, 2017

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robotek
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SOURCE: loud groaning noise while turning left

Hi

The groaning noise is the power steer pump operating under duress. I would suggest having the front suspension checked for any seized or failing ball joints or control arm problems. Most suspension guys will give the undercarriage a look over for you for free to check for any failing/unsafe parts. The engine belt driving the power steer pump should also be checked in case it needs adjustment.

regards
robotek

Posted on Dec 06, 2008

cadman000
  • 607 Answers

SOURCE: Clicking noise under dash

I would change the oil and filter, including proper weight oil. Then I would test again after sitting overnight. Maybe you'll be fortunate and it was due to an overdue oil change. If it still persists, there might be a problem with a hydraulic lifter draining overnight

Posted on Apr 06, 2009

cadman000
  • 607 Answers

SOURCE: small clunking noise from right front wheel on

sound like a worn CV joint

Posted on Apr 13, 2009

honeymokey
  • 3113 Answers

SOURCE: Clunking sound when shifting to park and reverse 2001 Buick

Check motor mounts.

Posted on Jun 29, 2009

  • 31 Answers

SOURCE: My 2004 Rendezvous makes a clunking noise when I

Wheel bearing. Ive had to replace my front passenger wheel bearing at 75000 miles when a clunking noise came about. another problem it might be is a tire rod malfunction.

Posted on Feb 07, 2010

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1 Answer

2002 explorer just stopped running while driving turns over but but clunking noise what is it?


clunking is never a good thing

need a visual inspection of moving parts

pop the hood see if something doesnt look right

look under the car see if anything is broken or hanging down
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199 Mercury Mountaineer making clunking noise when turning


Hi Jeanette, I'm glad to help!

Jeanette, usually when your turning a vehicle and it makes a clunking noise, it could be 2 things. (1) The CV Joints are bad. What is a CV Joint? If you look under the vehicle you will see a long axle coming from the transmission to the center of you wheel and on each end of that axle you'll see a rubber boot. Jeanette, behind that boot is the CV Joint and when you turn the vehicle it pivots with the wheel. When it goes bad it will make all kinds of noises and can be unsafe if it breaks while on the highway because your vehicle will stop moving. PLEASE GET THAT CHECKED AS SOON AS POSSIBLE. (2) The other problem it could be is your wheel bearings, when they become loose enough they can actually bind and cause a popping or clunking noise. This can also be unsafe if they are extremely loose. PLEASE GET THAT CHECKED AS SOON AS POSSIBLE. Hope this helps and have an awesome day Jeanette.

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2 Answers

When turning steering wheel - either way, clunking sound.


Sounds like you have a bad CV joint, this will make a clunking or clicking noise like you described only when turning, and varies with vehicle speed.

Have it repaired before it breaks and leaves you stranded, or damages anything else.

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