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Old 10-15-2012, 09:32 PM   #1
alt14
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My friends 93 legacy's timing belt broke a few weeks ago (lucked out in none interfering) I have a basic idea of how everything needs to be and replaced the water pump, idlers, and gears in the mean time, the issue i've ran into is the number one cylinder needs to be top dead center on the compression stroke and I know how to do this however since the belt broke and im sure the timing is off, does the cam sprocket need turned just so it's aligned with the lines? Or do they need to be spun around a few times just like the crank would be to make a full cycle? In other words would a full cycle on the cams just be one turn so I don't accidentally get it trying to fire on the exhaust stroke

Thanks in advance
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Last edited by alt14; 10-15-2012 at 09:40 PM.
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Old 10-15-2012, 10:25 PM   #2
Matt Monson
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Subarus are unique. Just spin it to the point where all lines line up and you are good. No need to spin it around twice.
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Old 10-15-2012, 10:26 PM   #3
alt14
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Awesome, thank you
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Old 10-25-2012, 10:04 PM   #4
alt14
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Crystal Black Silica

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I ran into a problem we couldn't figure out and thought i'd give here a last attempt before I give up and tell him to take it to a mechanic. Anyway, I checked everything and had it lined up, tried to start it and got one back fire, so I took it all apart and tried it again just as the book had said everything lined up exactly, piston one tdc double and triple checked everything, tried to start it and I still keep getting just a cranking.

So far I've checked, the ignition and it's getting a spark as should be, the fuel is getting their(not sure if it's getting exactly the right amount or not) the battery reads 12.5v, and the starter was checked recently and is fine. Other than that I'm not sure what to check next.

Thanks for any help

Edit: if it helps to know the car was running fine as normal for a couple hours then while trying to start it later that day the belt just gave way

Last edited by alt14; 10-25-2012 at 10:11 PM.
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Old 10-28-2012, 08:15 AM   #5
alt14
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Crystal Black Silica

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Problem solved, thanks to another member it seems I'm an idiot lol, for anyone else who runs into this very problem the arrow punched into the crank sprocket is NOT the aliment mark but only as reference to tdc on cylinder one, there is a collar on the back of the sprocket where the line was nearly gone that doesn't really point dead center, more off to the right straight up. Aside from transmission fluid being all over the engine bay from starting without the radiator being there haha everything seems to be working fine and I'll be putting it all back together soon, thanks everyone for all your help
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Old 10-28-2012, 05:07 PM   #6
Pablopakman
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Contrats on your easy fix. My timing belt just skipped a few teeth on my ej22, unfortunately I believe it is interference because it won't run even after fixing the timing...
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