2003 Jaguar S-Type sounds like a pully or tensioner

Tiny
JAGG1948
  • MEMBER
  • 2003 JAGUAR S-TYPE
  • V8
  • 2WD
  • AUTOMATIC
  • 84,000 MILES
I have 2003 S type R jaguar makes aslight noise like a pully squeeking for about 7 minuets when engine is cold, It is not supercharger pully, please help, I am a disabled vet and need advice, thank you so much.
Friday, November 20th, 2009 AT 8:00 PM

1 Reply

Tiny
MATHIASO
  • MECHANIC
  • 1,209 POSTS
I have run into problems like the one on your car many time. That is squeeking/rattling noise when the engine start cold and fade away as the engine get warm.
There is 84000 on the vehicle.
You should replace your serpentine belt at 50,000 to 60,000 miles for preventative maintenance.
The belt will need to be changed.
As you are replacing the belt, you should or ask your mechanic to check all the pulley for noise by rotating them. Check puley alignment.
The last one is most likely to cause noise when engine is cold and desapear as engine warm up.
This is caused by the alternator puley not sitting /boltet well causing misaligement with the other puleys.
After the car has sitting overnight and the belt streched, it will make noise. That is what is happening.

What you need to do is to :
change the belt.
Check pulleys bearing /tensioner.
Make sure there is not misalignement, specially the alternator pulley. Make sure it is sitting and boltet well.
You have further question, please ask
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Saturday, November 21st, 2009 AT 9:40 AM

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