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Could be (and most likely is) your tensioner but could also be pretty much anything else that the belt runs. Your best bet is to get a mechanics stethoscope and CAREFULLY probe around on different things when you first start the car to see where it is coming from. BE VERY CAREFUL!!!! It would be very easy to lose a body part since you are messing around with spinning pulleys and belts. Not to mention getting the stethoscope hung up and having it slap you upside the head or shot across the garage/driveway like a bullet.
If it is the tensioner, or pretty much anything else, you can get them at the nearest auto parts store. As for tools, you usually don't need anything special EXCEPT for a serpentine belt tool.
agreed and it can happen to stangs with only 6K miles on them too....mine was the idler pulley.....didn't start until after the install of the S/C
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2006 Mustang GT with Cervinis Kit
Whipple Crew member
H.O. S/C 465 RWHP and 440RWTQ
what pulley are you guys referring to as the idler pulley. Are you talking about the extra pulley added with the supercharger that connects to my alternator? Or are you talking about the extra pulley just above the a/c compressor to complete the serpentine?
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2001 GT Vert
P1SC Procharger w/ 3 core intercooler pushing 6lbs peak boost. Snow methanol injection. 75mm TB with match ported plenum. BBK x-pipe. Flowmaster cat-back w/ 4X18 inch tips. Transgo shift kit. Eibach Prokit. Bilstein Struts/Shocks. Roush LCA's. Roush 427R front sway bar. Suspension Technique's rear sway bar. Tuned by Mark Shackleford of Overkill Street Performance & Racing in Lawrence, KS.
The idler pulley will be the stationary one on the front of the engine that isn't attached to any accessory. It doesn't run anything. Just bolted to the front of the engine. Probably the extra pulley you are talking about.
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Absolute rule number one: If it has tires or tits, your going to have trouble with it.
so if it is my idler pulley, what do i need to do to fix the problem?
Do i need a completely new pulley?
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2001 GT Vert
P1SC Procharger w/ 3 core intercooler pushing 6lbs peak boost. Snow methanol injection. 75mm TB with match ported plenum. BBK x-pipe. Flowmaster cat-back w/ 4X18 inch tips. Transgo shift kit. Eibach Prokit. Bilstein Struts/Shocks. Roush LCA's. Roush 427R front sway bar. Suspension Technique's rear sway bar. Tuned by Mark Shackleford of Overkill Street Performance & Racing in Lawrence, KS.
what kind of oil you use.. do you drag race it.. reason i ask is i had the same thing.. do you got mods.. if so.. it may be what mine was.. the lash adjusters.. check back with me..
I was thinking it might be my lashers also, just trying to think of all the possibilities. The has 85,000 miles though and I've run Royal Purple 5W20 in it ever since I got the car with 15,000 on it. I've changed the oil and filter every 5,000 miles religiously. The procharger went on the car at about 60,000 miles and the chirp started at about 80,000 miles.
I don't think it's my lashers though because the chirping is much louder from underneath the car as opposed to being above it. That's why I was thinking it might have been my a/c compressor clutch, but my ilder pulley is directly above that and with the direct load increase beneath it, it could be the reason as to why my idler pulley is chirping.
I think I might be leaning towards the ilder pulley though because one of the mounting points for the procharger bracket is the bolt for the idler pulley.
Anybody else have any ideas or come across this issue?
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2001 GT Vert
P1SC Procharger w/ 3 core intercooler pushing 6lbs peak boost. Snow methanol injection. 75mm TB with match ported plenum. BBK x-pipe. Flowmaster cat-back w/ 4X18 inch tips. Transgo shift kit. Eibach Prokit. Bilstein Struts/Shocks. Roush LCA's. Roush 427R front sway bar. Suspension Technique's rear sway bar. Tuned by Mark Shackleford of Overkill Street Performance & Racing in Lawrence, KS.
If it's the idler pulley, you can get a new one from any auto parts store for not a lot of money. They are usually pretty easy to change but I'm not sure about yours because of the supercharger. If you do change it, you might want to think about putting on a new serpentine belt since you will have to take it off anyway.
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Absolute rule number one: If it has tires or tits, your going to have trouble with it.
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