This is a long time over due, but I finally changed the tensioner and the belt that the 'mechanic' put on with a Ford/Jaguar belt and the chirping is gone! car seems to idle better as well. thanks all.
So i haven't had time to change anything, but I did test my alternator and the battery is showing less than 12v while off and less than 14v while on and accessories on. I am tempted to replace the alternator and the belt with the motorcraft one i have and go from there.
For replacing the...
Lol. So it's likely NOT the alternator or other accessories...Ok so it seems narrowed down. I can order the belt now and the tensioner tomorrow. So basically the mechanism in the tensioner is shot.
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I see; would using the dressing help with process of elimination? It seems like a cheap way to do so.
Joe, it was a generic belt and I am not sure what kind. (The 2nd Time I went to the mechanic for the noise he said he put a smaller belt on)
So what would you guys recommend as a first step...
Here is some video/audio of the engine while cold. I noticed that any additional load (defroster, high beams, etc) causes a change in noise/frequency. https://vimeo.com/198931563
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I noticed that when the engine is adequately warm when I started up with the remote start, and it's on for about 10 minutes before I get in there is actually no noise from the belt or anywhere.thoughts?
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Ok, can you clarify where I am to touch w the screwdriver? And do I continue to try different locations until the squeak is amplified?
Also, I hear conflicting things about using belt dressing; primarily never to use it.
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I tried the screwdriver test with no change- maybe I did it wrong. Can I try and add tension with a breaker bar and see if the noise goes away? I saw remanufactured alternators for sale at autozone for about 150.
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I needed a new belt so they changed it but once the squeal came back, they changed the belt again. At that time he determined it was the alternator pulley not the belt but I will use your test to see if I can confirm if he is right.
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My mechanic told me my alternator pulley bearings are going bad. There is squeaking on start up but after car gets warm it seems to go away. ( he diagnosed this after changing my belt twice)The charging system is ok. Should I replace the alternator just to get the new pulley? I don't have the...
Thanks for posting. Do you notice any noise that's different with your kind of rotors? Also, what kind of pads do you have? I've had ceramic for a while, but I heard that until they warm up a little bit they are not at as effective in braking.
Anyone upgrade their stock rotors to slotted and/or drilled rotors? Does it increase breaking performance or is this a wasted upgrade since my engine is pretty much stock.
How hard is it to get off the old rotors? I was also wondering if anyone has tried using black/carbon rotors.
thanks!
Thanks Joe - You are like an encyclopedia! Last time i changed my driver side seat airbag, I disconnected the battery and pumped the brake a few times to get rid of any residual juice- whats your take on that technique.
I can post a video later, but if it's the code you suspect what does it mean? I have a scanner but it didn't give me an airbag code just p1204.
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