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06-03-2013, 03:16 AM | #1 |
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Join Date: Jan 2013
Posts: 47
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Squealing Leakless Water Pump or Clutch?
I have a squealing noise coming from my leakless water pump but am perplexed as if I step on my clutch I can increase or lower the screaching sound. I put in a new leakless water pump after my old one seized and added a new two blade fan with new fan belt. I run an alternator and installed a new, adjustable alternator bracket so I can align all three pulleys properly. The belt tension is adjusted to about an inch. It did not make a sound for a while and now it does. In other threads I have read it could be a dry throw-out bearing in the clutch but I am not sure. Is there a way to lube this bearing if it is indeed the problem? I'm pretty sure the noise is coming from up front as it happened before but it is back even though I changed things. I tried putting some soap on the fan belt to see if it would stop the squealing but couldn't tell if it helped or not. Can a new leakless pump go out this quickly with only 200 miles on it? Any ideas would help. Thanks. JIM
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06-03-2013, 04:37 AM | #2 |
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Re: Squealing Leakless Water Pump or Clutch?
Remove the belt and run the car without the water pump moving and see if the sound is still there.
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06-03-2013, 05:01 AM | #3 |
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Location: Mpls, MN
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Re: Squealing Leakless Water Pump or Clutch?
With 1" freeplay the throwout bearing will not be touching the 6 clutch fingers, and will not be turning while the engine is running. It only spins when you step on the clutch pedal.
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06-03-2013, 05:20 AM | #4 |
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Location: Central Maine
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Re: Squealing Leakless Water Pump or Clutch?
Did you make sure the new fan had enough clearance from the wp housing ? That was my problem. Remove the belt and spin the fan and listen carefully. My fan came with directions to be sure to check this issue. I had to remove some metal from the wp housing to fix the squeal. I think that using the clutch only changes the motor rpm so the squeal varies. Good luck.
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06-03-2013, 06:02 AM | #5 | |
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Location: Cow Hampshire
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Re: Squealing Leakless Water Pump or Clutch?
Quote:
I go for the fan/water pump nose interference issue. I like the idea of removing the fan belt as a test. You don't need no steenking fan - at least until it boils over. Joe K
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06-03-2013, 06:12 AM | #6 |
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Location: Southeastern Indiana
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Re: Squealing Leakless Water Pump or Clutch?
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06-03-2013, 06:33 AM | #7 |
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Join Date: May 2010
Location: Bucks County, PA
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Re: Squealing Leakless Water Pump or Clutch?
i had a bad squeal also from my waterpump to fan clearance and had to refine the waterpump housing a tad.
don't over tighten the belt it needs some deflection, it can wear on the bearing also thought i would mention this since you said your running an alternator there are reports of whine when using a cog belt (w/alt). do a search alternator whine and you can read many posts on it... |
06-03-2013, 07:11 AM | #8 |
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Join Date: Sep 2012
Location: pennsylvania
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Re: Squealing Leakless Water Pump or Clutch?
Had the same thing on my coupe after i changed the fan belt it would squeel like a pig when running found the new belt was a tad wide for the pully and the belt was not setting in the pully right replaced belt noise gone another thing you can check good luck
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06-03-2013, 07:11 AM | #9 |
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Join Date: May 2010
Posts: 1,987
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Re: Squealing Leakless Water Pump or Clutch?
I had a squeal or squeak coming from the front, thought it was pump related. Turned out to be at the front motor mount thru the cross member. The stud was rubbing the rear of the hole in the crossmember. I was able to loosen rear mounts and 'shift' the engine a smidge forward.
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06-03-2013, 11:06 AM | #10 |
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Join Date: May 2010
Location: Alabama
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Re: Squealing Leakless Water Pump or Clutch?
I add water pump lubricant to the water in the radiator and it solves the problem. I get my pump lubricant at advance auto parts, it comes in small bottles and doesn't cost much. The waterpump lubricant also helps prevent rust, I don't use antifreeze. If the water pump lubricant doesn't solve the problem, you won't be out much and you will know that the problem is elsewhere. The water pump lubricant works quick.
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06-03-2013, 01:48 PM | #11 |
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Join Date: Apr 2011
Location: Glenmoore Pa
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Re: Squealing Leakless Water Pump or Clutch?
I agree with Mike V. pull the belt and see if the squeal stops. I had one that was making me pull my hair out thinking it was the belt and it turned out to be the front crossmember had become worn from an old motor mount and the new mount was vibrating over the worn edge making the squealing sound.
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06-03-2013, 07:56 PM | #12 |
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Join Date: Jun 2012
Location: Sheffield Lake, Ohio
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Re: Squealing Leakless Water Pump or Clutch?
I had the exact problem. I thought it was the water pump or the altenator. Just for the heck of it I sprayed some belt dressing on the belt and it immediately went away!
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06-05-2013, 11:04 AM | #13 | |
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Join Date: Jan 2013
Posts: 47
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Re: Squealing Leakless Water Pump or Clutch?
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06-05-2013, 11:08 AM | #14 |
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Join Date: Jan 2013
Posts: 47
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Re: Squealing Leakless Water Pump or Clutch?
Thanks fellas for some great suggestions. I'm definitely going to check that front motor mount, my pump housing for obstructions and see if my belt is seating properly.
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06-05-2013, 11:12 AM | #15 |
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Join Date: Apr 2011
Location: Glenmoore Pa
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Re: Squealing Leakless Water Pump or Clutch?
I pulled the mount back out and dressed the edges so it had a smooth area to slide over instead of the crisp edge. Then I slathered on a little antiseize and put it all back together. Problem solved.
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06-05-2013, 11:13 AM | #16 |
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Join Date: May 2010
Posts: 62
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Re: Squealing Leakless Water Pump or Clutch?
This is a long shot, and would be unpleasant news if I am right, but the fact that engaging the clutch alters the sound of the water pump makes me think of excessive end float in the crankshaft. Have someone depress the clutch with the engine running while you watch the crank pulley. Let us know what you see.
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06-08-2013, 11:08 AM | #17 | |
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Re: Squealing Leakless Water Pump or Clutch?
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