2000 Merc Cougar - 2.5L A/C Knocking Noise
2000 Merc Cougar - 2.5L A/C Knocking Noise
2000 mercury cougar 2.5 when you turn a/c on loud knocking noise! thought it had a timing chain slapping. have now changed timing chains & tensioners, belt, belt tensioner, idler tensioner, a/c compresor & power steering pump have no ideas can some one help?
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Re: 2000 couger
So help me I cant remember what kind of car but......had one do this and it was the mount bracket. Had cracked and would develop a knock when the a/c was turned on. HTH.
Jeff Fitzgerald - retired
Treasure Coast of Florida
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Treasure Coast of Florida
"there will be enough time to sleep when we're dead"
- steven kiser
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Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
i've had noises like that on more than a few cars and it was the rubber insulation on the crank pulley had dried up and the pulley was a bit sloppy.
never argue with a fool, they'll drag you down to their level and beat you with experience
Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
going to try the harmonic balancer it seems to be a little sloppy. well that's another strike know such luck.
- fortknoxx
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Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
is the noise at......
idle
accel
decel
0-30 mph
30-60 mph
on turns
all the time.
is it a knock on the window or knock on the fender sound?
idle
accel
decel
0-30 mph
30-60 mph
on turns
all the time.
is it a knock on the window or knock on the fender sound?
T-N-T (Tina Nuse-Tolar)
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- ricmorin
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Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
Or...... is this fixed yet?
Ric Morin - Volunteer Forum Moderator, Shop Owner, ASE Master L1
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www.motorcaralternatives.com
I find my life is a lot easier when I use Special Orders
- steven kiser
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Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
i'm not going to turn this into another ford spreak posting.......
never argue with a fool, they'll drag you down to their level and beat you with experience
- fortknoxx
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Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
I thought it was only monte carlo's that had problems with a/c brackets.
T-N-T (Tina Nuse-Tolar)
Gone but not forgotten...Camper Bob's
609-760-7079 Cell
Gone but not forgotten...Camper Bob's
609-760-7079 Cell
Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
the flex plate is broke all the way around the center !!!
- steven kiser
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Re: 2000 Merc Cougar - 2.5L A/C Knocking Noise
i've seen that before on fords. a tip here, when you drop the flex plate out see if there is imprints of the bolt heads on the converter. fords had an issue with the thrust bearing wearing and under acceleration the crank would push back against the converter.
never argue with a fool, they'll drag you down to their level and beat you with experience