2001 Ford Taurus Serpentine belt noise

Tiny
SCOTTY823J
  • MEMBER
  • 2001 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
I had squealing from the belt and I just had them fix it. They replaced a pulley and the tensioner.2 weeks late the squealing came back after heavy rains and now the squealing is gone, but when I put my heat on I get a strange noise, like the belt is slipping or skipping. And almost feels intermittent.I look under the hood and see no issues, but an intermittent skipping from the belt ONLY when the heat is on. If heat is off I get no noise and No issue
Tuesday, October 27th, 2009 AT 7:14 PM

18 Replies

Tiny
BMRFIXIT
  • MECHANIC
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I would check AC compressor
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Tuesday, October 27th, 2009 AT 8:55 PM
Tiny
SCOTTY823J
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  • 11 POSTS
How would the AC compressor have anything to do with the heat in the car. The noise only comes on with the heat, so im thinking this sound might be from the heat blower motor. Any ideas of this being true. And am I correct that the serpentine belt has NOTHING to do with the heat!
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Tuesday, October 27th, 2009 AT 9:17 PM
Tiny
BMRFIXIT
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When you have the heat on the AC clutch cycle
open the hood and have a helper put it on as you watch the AC
compressor
also check the belt tensioner
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Tuesday, October 27th, 2009 AT 9:21 PM
Tiny
SCOTTY823J
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Just had tensioner fixed along with a pulley 2 weeks ago. So your saying the AC Compressor does have something to do with the heat?. So I should put the heat on and watch the ac compressor. What am I looking for from the Compressor?
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Tuesday, October 27th, 2009 AT 9:24 PM
Tiny
SCOTTY823J
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Also is there a chance it may be my blower motor?
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Tuesday, October 27th, 2009 AT 9:25 PM
Tiny
BMRFIXIT
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Is the noise coming from under the hood or from under the dash?
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Tuesday, October 27th, 2009 AT 9:30 PM
Tiny
SCOTTY823J
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Under the hood sounds like. Hard to say. This all happened after heavy rains.I get a BAD leak on passenger side dripping down from under where the blower motor is. Could it have gotten wet. Which is what I read is common. Makes me wonder now if my leak inside has anything to do with the Blower motor?
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Tuesday, October 27th, 2009 AT 9:33 PM
Tiny
SCOTTY823J
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Also I have just found this information out.I am wondering if the water coming into the passenger side floor from under the dash is also related to why I am Possibly hearing noise from my blower motor.

Copied and psted from web
Read: In that tsb and recall you might want to ck the cowell that touches the bottom part
of your windshield if it is raised at all water will go down the wiper module or lower cowell area you can get all 3 pieces you need at you local ford dealer
basically the cowell warps and water gets down the fresh air intake the blower motor
is directly down in the bottom of the heat case inside the car
new cowell a rain hat will fix to keep water out
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Tuesday, October 27th, 2009 AT 9:40 PM
Tiny
BMRFIXIT
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Locate blower motor under right side of dash
get the engine started and put the heat on
know you have the noise or the sounds
disconnect the blower motor
does the noise go away
if it does you found your problem remove and replace the blower motor
also does the sound change with the blower motor speed and if so suspect blower motor
if not you have to open the hood and check

as for the water leaking
check if the drain clean under wiper arms well
specially on the right side
water fill up and enter through the air vent and on to the blower motor
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Tuesday, October 27th, 2009 AT 9:40 PM
Tiny
SCOTTY823J
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Yes but if I unhook blower motor the heat wont work at all, so the noise wont be there if the blower isnt working. Correct. Also this leak is VERY common on my car, so im finding out. Topix. Com/forum/autos/ford-taurus/T3N3AE944IBP2VO0K

So most likely that is my issue, Right?
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Tuesday, October 27th, 2009 AT 9:50 PM
Tiny
BMRFIXIT
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AS I said if the noise go away you need blower motor
if not open hood and check
yes you will not have hot air blowing when you disconnect but if its under the hood all should be working as usual
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Tuesday, October 27th, 2009 AT 10:00 PM
Tiny
SCOTTY823J
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Ok I just went to car and Turned heat on high with the car NOT running and I didnt get the noise, I get the Noise when the car is running and the Heat is on. So I guess you may be right. Im hoping it may be the tensioner or pulley they just replaced so I dont have to pay more money.
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Tuesday, October 27th, 2009 AT 10:00 PM
Tiny
BMRFIXIT
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Very good know you know

good luck
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Tuesday, October 27th, 2009 AT 10:02 PM
Tiny
SCOTTY823J
  • MEMBER
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So if I wanted to, can I just buy the belt that by-passes the ac compressor. So how sure are you that its the AC compressor. Most likely its the ac compressor due to process of elimination. Noise only comes on when heat is on with car running = AC compressor. What are my options at this point?
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Tuesday, October 27th, 2009 AT 10:06 PM
Tiny
BMRFIXIT
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Do you know where the AC compressor is and how it look like?
And if so it should have a wiring plug on it disconnect it 1st and run the engine and place heat on does the noise go away?
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Tuesday, October 27th, 2009 AT 10:21 PM
Tiny
SCOTTY823J
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I know where it is and what it looks like. But is the connector easy to see. Or is it somewhere difficult.
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Wednesday, October 28th, 2009 AT 9:19 AM
Tiny
SCOTTY823J
  • MEMBER
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Ya I seen today when I put the heat on. The A/C compressor, the wheel on the outside is not spinning freely, and I seen sparks from it. But I cant seem to wedge my hand in there enough to unplug it. Tight Fit.I wonder if u need to go in from the bottom
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Wednesday, October 28th, 2009 AT 9:44 AM
Tiny
BMRFIXIT
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Try from under the car
or remove cycle switch by the fire wall
try and remove any switch that you can see and access on the AC system lines
usually that should stop the AC compressor from kicking in
good luck
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Wednesday, October 28th, 2009 AT 12:48 PM

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