Question about 2001 Buick Century

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Squeak near serpentine belt

Hey guys, There is a loud squeaking that sounded like it was coming from the water pump, so I replaced the water pump and checked all the other pulleys which all felt ok. When I started it up it was gone for about 30 seconds but came right back. Its pretty loud and gets louder with acceleration. Does anyone know what I should try next? Thanks for the help...

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  • Expert
  • 64 Answers

Sounds like u could have another leak possibly, coolant or oil getting on the belt, also look for the belt tensioner, when they go bad they will squeak really loud

If you need further help, I’m available over the phone at https://www.6ya.com/expert/michael_2094e122cc46f24c

Posted on Sep 27, 2017

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  • Buick Master
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Check for a defective idler. It's a frequent failure item.

Posted on Sep 27, 2017

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6 Suggested Answers

6ya6ya

6ya staff

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SOURCE:

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Posted on Jan 02, 2017

Ronnie Wilson

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SOURCE: 1993 Buick LeSabre idles too fast

I would Look For A Vacuum Leak, Given the Fact that ALL that Work was Done in a SHORT Amount of Time, And The Brakes ARE VACUUM ASSISTED, that when Brakes are applied the ENG. Light Comes on, Seems to Me It all May be related. It does not take Much to Pop A Vacuum line OFF Accidentally

Posted on Feb 06, 2009

csmock132

Clint Smock

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SOURCE: installing the serpentine belt

The power steering pump is only held on by two bolts that are removed thru the pulley holes. Anyway you don't have to remove the whole motor mount just remove the nut that holds the mount just to the left of the balancer. then remove the stud with a inverted torx bit. then remove the sleeve the stud went thru and then the belt will come off.

Posted on May 15, 2009

greg_margo

Greg Margossian

  • 1959 Answers

SOURCE: I replaced the water pump and cut the old serpentine belt out that was tangled around the pulleys Now I cannot figure out how to get the motor mount off to get it up around the alternator pulley

Here's a link to a web site to give you a diagram for your serpentine. Just insert the year,make,model, and engine size. Once there, you will see to the left a link below the part number called "Routing diagram". Best of luck on your repair.
Greg

http://www.mvreader.com/multiview/dayco/index.php?bgInterchange=1&l=n

Posted on May 30, 2009

badealer888

Stan Cather

  • 414 Answers

SOURCE: Easing tension to replace water pump

You may not need a serp tool. Look for a place on the tensioner to fit your ratchet into then turn to push tension off. If there is enogh room to get the ratchet in

Posted on Jun 27, 2009

John Bloomfield

  • 534 Answers

SOURCE: screech in engine. after serpentine belt stops

Check if screeching is related to engine vacuum.
Briefly remove (or loosen off) the oil filler cap - if noise immediately stops high crankcase vacuum is the cause. Check / replace PCV valve to fix.
If above is not the cause, listen with a short length of hosepipe to try and narrow down noise source.
Silicon lube spray or pencil lead graphite on a selected belt should cause sound change if it's caused by that belt.

Posted on Jul 08, 2009

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