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Old 03-08-2008, 12:33 PM   #1
IllNastyImpreza
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Default Timing belt cover randomly BROKE and ate my T BELT !

so I was on the way home from work yesterday, and I smelled a burning plastic smell....

it was getting worse and worse.
So I pulled over and did a quick run-a-round the car to look for burning or smoke or whatnot... and It had stopped.

So I drove home without anymore burning...

when I got home I popped the hood to find out my Timing belt cover had RANDOMLY broken and fallen on my Timing belt !

not only did I have to rip the cover off, but my T-Belt is now slightly worn in the middle where it was rubbing the cover !

What do you guys think ? I can barely feel the difference in thickness when I rub my fingernail over the belt...

but it botheres me that this would happen...

not only this, but my Powersteering just crapped the bed again too
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Old 03-08-2008, 03:22 PM   #2
DrD
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I'd replace the belt (it's an interference engine - not worth the risk)
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Old 03-08-2008, 03:29 PM   #3
IllNastyImpreza
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Quote:
Originally Posted by DrD View Post
I'd replace the belt (it's an interference engine - not worth the risk)
it was my 98 Legacy L

IIRC the pre hydraulic lash adjuster EJ22 engines are non interference...

but what about the 98 ???
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Old 03-08-2008, 05:09 PM   #4
subtoy
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The 2.2 is a non valve bender
The 98 RS is a valve bender
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Old 03-09-2008, 09:32 AM   #5
IllNastyImpreza
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Quote:
Originally Posted by subtoy View Post
The 2.2 is a non valve bender
The 98 RS is a valve bender
thats funny
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Old 03-09-2008, 11:39 AM   #6
Subie Gal
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i do not believe the cover randomly broke.

covers do not randomly break

something was rubbing up against it or prying against it to have this occur

replace the cover
replace the belt
do cam/crank seals while you're in there

and look for anything out of alignment/place.


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Old 03-09-2008, 11:57 AM   #7
flstffxe
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I agree with Jamie, those cover typically don't fall apart on their own.

It may even be a small oil leak that was slowly deteriorating the cover to the point to where it became brittle. Like she said replace both the belt and the cover, both are cheap. Time spent now may save you time down the road, or on the side of it.
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Old 03-09-2008, 11:58 AM   #8
IllNastyImpreza
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^ i have no idea what would have possibly gotten in there and caused it to break...

the engine side of the cover broke and caused the far side of the cover to drag on the belt... it had a decent sized hole in it like It had been hit with something and then torn off....

verry odd.

I will add the above maintenance to my list...

My power steering came back on again for the 2nd time

I've got a quite a maintenance list now
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Old 03-09-2008, 12:30 PM   #9
scooterforever
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[Raises hand]

I have actually had my timing cover break on me. Drove the car home one evening, everything as fine, and the next morning at start there is a nastly rubbing sound. I drive a hundred feet, then circle back and park the car at home. I flatbedded it to my tuner.

The timing belt plastic cover had cracked, and a piece was coming in direct contact with the belt. We fixed the crack, and determined given the short distance I drove on it that the belt was fine.

I agree, timing covers just don't break on their own... but mine did. This was with my new block, so it could have been an issue waiting from when the cover was put back on with the new engine. My personal theory is that overnight with the temperature drop (it was starting to get cold) the metal changed just enough that it induced a lurking stress crack in the cover to finally break.

But... yeah... it happened to me.
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Old 03-09-2008, 04:02 PM   #10
IllNastyImpreza
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^ yeah that day the temperature had gone from about 25 at night to almost 60 during the day... that might have been part of it...
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