Question about 1998 Buick Regal

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Leaking water pump-- with loud grinding niose--how to change pump

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  • jrh61046 Oct 06, 2009

    6 cly w/ supercharger

  • lejungst1 May 11, 2010

    What engine size please?

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Change asap thats the pump grinding.locate the pump shouldnt be to hard should have fluid leaking,get new one.will also need more colant.remove the belt.it should have like three bolts on it.remove the old one make sure the mateing surfaces are clean an free of debry.put new one on.replace belt.add coolant check make sure no leaks.let car idle for awhile check agaiin for leaks.if none job well done if u need more help let me know bertman285@hotmail.com

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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I changed the alternator on my 99 alero an now it makes a loud sweeking niose is there a way to tighten the belt


LOOSE BELT MORE LIKELY YOU HAVE A BAD BELT TENSIONER.A BAD BELT TENSIONER WILL CAUSE BELT TO SLIP.WHEN THAT HAPPENS ALTERNATOR CANT SPIN FAST ENOUGH TO KEEP BATTERY CHARGE.AND IF YOUR WATER PUMP DONT SPIN FAST ENOUGH ENGINE WILL OVERHEAT AND YOU WILL HAVE POWER STEERING PROBLEMS ALSO HAVE DRIVE BELT TENSIONER CHECK OUT AT A GARAGE..

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I took my 2005 Chev. Malibu in for an oil change and now it is making a loud noise from the engine. they say its the water pump? is that possible?


  • Hi, I can help.
  • When your water pump goes bad it will begin to grind. I had one I let got far to long and it sounded deafening when I opened the hood. You can open your hood and listen and see for yourself. The water pump is on the belt line, left side under the hood, last pulley toward the rear.
  • Now if your asking can an oil change effect the water pump? No, not at all. Water pumps go sporadically.
  • It would be odd that you heard no noises before the oil change and now the water pump is loud enough to take notice after the oil change. The bearings usually go a little slower than that.

  • I would be interested in some more of the details to this. And what your overall concerns are. I'd be happy to further. help. Otherwise get a second opinion on your cars condition.


  • Hope this helps and thank you for using FixYa.

Regards, Tony

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How can i tell if my water pump is bad?


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My idler pulley is making a squeaky light grinding niose.


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Unfortunately it may be getting old and dried out.
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The water pump bearings could be going out and they will make a grinding noise.The water pump doesn't always leak when the bearings are going out.

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The pulley on the water pump is separate from the pump on both the 6 and V-8 engines (you didn't specify which engine was in your truck).
If the pulley is wobbling around and grinding, the bearings have failed on the pump. The fact that it has not leaked is not unheard of. REPLACE THE PUMP! Continued operation will cause the impeller (the side of the pump which moves the water) to chew up the housing. Not to mention leaving you stranded.

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1 Answer

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