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Fan belt screeching

Tiny
BEYONDBYTCH
  • MEMBER
  • 1991 CHEVROLET CHEVETTE
  • 5.7L
  • V8
  • AUTOMATIC
  • 173,000 MILES
I took off the belt and hand turned all the pulleys, but when I got to the crank pulley it didnt move. Please help I am just a girl. Lol thank you so much
Friday, January 22nd, 2016 AT 3:00 PM

7 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Will the car not start? If you can get a wrench on the big nut try to turn it over by hand. One way then the other. If the spark plugs are out will be much easier.
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Friday, January 22nd, 2016 AT 3:32 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Oh and btw why don't you try a new belt and tensioner if old one screeches or replace the belt and adjust with a belt tension gauge if you have one.
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Friday, January 22nd, 2016 AT 3:33 PM
Tiny
BEYONDBYTCH
  • MEMBER
  • 4 POSTS
Thank you so much yes the car starts, I will try doing that I will let you know. Thanks again.
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Saturday, January 23rd, 2016 AT 6:33 PM
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,005 POSTS
AS FAR AS THE CRANK PULLEY GOES, IT DOES NOT SPIN FREELY LIKE THE OTHERS DO WITH YOUR FINGERS, BECAUSE YOU WILL HAVE TO TURN THE CRANK AND MOVE THE PISTONS. IF THE CAR CRANKS AND RUNS THERE IS NOTHING WRONG WITH THE CRANK SHAFT PULLEY, IT IS WHAT POWERS THE BELT (AND OTHER PULLEYS)!

THE MEDIC
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Saturday, January 23rd, 2016 AT 7:59 PM
Tiny
BEYONDBYTCH
  • MEMBER
  • 4 POSTS
Great to hear that the car starts right up, but the screeching is very loud. Is it true to spray wd-40 on the pulleys to find out which pulley is bad
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Sunday, January 24th, 2016 AT 7:30 PM
Tiny
BEYONDBYTCH
  • MEMBER
  • 4 POSTS
Then I shall do that tomorrow thank you so much.
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Sunday, January 24th, 2016 AT 11:05 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
By no means spray any chemical on belt, that will make the belt destroy itself. Just do as I h ad said, replace belt and tensioner recommended is 60,000 mi if it screechs then something has gotten on it like oil or antifreeze or tensioner is bad or both.
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Monday, January 25th, 2016 AT 7:00 AM

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