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Old 07-11-2012, 03:54 AM   #1
97SubieLegacyOUTL
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1997 Legacy L Wagon
Glacier white

Default engine squeal doesn't sound good

I have 1997 subaru legacy L wagon and there is a really bad squeal when I put my foot down. when im pretty sure its not the belts brand new alternator and belt and other belt is fairly new its done it the whole time I have own it. the belts seem fine not to tight but not too lose feels perfect even at them check out all the pullys spun fine and didnt wobble made sure when i changed the belts and alternator. the only time it squeals is when i put my foot down and it sounds like it maybe the piston rubbing the cylinder? i don't know what it is and i cant really afford to take it to a mechanic. any tips or advice? the car runs smooth idles perfectly its only when i put my foot down.
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Old 07-11-2012, 09:31 AM   #2
strychnine
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Well if it happened right when you changed the belts then it's pretty obviously the belts.
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Old 07-11-2012, 11:41 AM   #3
STi Guy 69er
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Idler pulley in timing cover
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Old 07-11-2012, 01:01 PM   #4
Sleeper_RS
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^^^^ this
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Old 07-13-2012, 08:29 PM   #5
geronimo81
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Quote:
Originally Posted by STi Guy 69er View Post
Idler pulley in timing cover
Quote:
Originally Posted by Sleeper_RS View Post
^^^^ this
Agreed

take off the alt/AC belt and start it up. Rev it and see if you still hear the squealing.

I once had this happen on my Outback and assumed it was the AC tensioner idler. The day before I was going to tear into it and really investigate the toothed idler for the timing belt seized and stripped the threads from the block while melting a hole in the timing cover and bouncing down the highway

Lucky for me my '96 has an ej22
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Old 07-16-2012, 05:50 PM   #6
97SubieLegacyOUTL
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well its been happening since i got the car in feb and it only squeals while throttles down going down the road and i had to replace the belt cause theyre was a good chunk missing from it if that helps narrow it down?
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Old 07-21-2012, 05:41 AM   #7
Fl440
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Not sure what the exact name is, but there is a plastic pulley and this can be the problem, mine did the same thing!
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Old 07-21-2012, 08:55 AM   #8
J.Gibbs
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Quote:
Originally Posted by Fl440
Not sure what the exact name is, but there is a plastic pulley and this can be the problem, mine did the same thing!
Plastic pulley.... you talking about the AC belt tensioner that has the plastic "toilet seat" adjuster it attaches to?
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Old 07-21-2012, 04:53 PM   #9
Fl440
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Yes sorry, was a bit late when i posted that, the belt on mine was a little worn and that part was rubbing on my belt at certain temps making a bit of noise.
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Old 07-21-2012, 05:03 PM   #10
J.Gibbs
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Quote:
Originally Posted by Fl440
Yes sorry, was a bit late when i posted that, the belt on mine was a little worn and that part was rubbing on my belt at certain temps making a bit of noise.
Yup I had to replace mine when rebuilding my engine and have seen them failing several times. They are just not designed well enough. Not really cheap for that stupid little piece and the new bolt that goes thru the pulley.
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