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Old 12-28-2008, 02:47 AM   #1
summitwrx
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Default Timing belt change gone wrong! Help

So i was changing my timing belt, the second i got the belt off the two cam gears on the drivers side of the engine spun. I dont know if i spun them back the right way or not, do they have to be spun in only one direction?

I tried this over and over, got all the marks lined up, got the belt on, put on the new tensioner, then i forgot to pull the pin on the tensioner, and i spun it around using the crank pulley, i spun it all the way aroun and nothing lined up anymore. So i took it all apart, got everything lined up, got the belt on, put on the tensioner, then i pulled the pin. So everything looked correct, however i turned the motor over using a 22mm and the crank pulley, i spin it around as many times as possible and the lines wont line up anymore. What did i do? How can i fix this? Any help would be greatly appreciated!!

Sorry if there is bad spelling/grammar its almost midnight and im freaking out that i just screwed up my car! Help Me!
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Old 12-28-2008, 02:51 AM   #2
dunk
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Originally Posted by summitwrx View Post
So i was changing my timing belt, the second i got the belt off the two cam gears on the drivers side of the engine spun. I dont know if i spun them back the right way or not, do they have to be spun in only one direction?

I tried this over and over, got all the marks lined up, got the belt on, put on the new tensioner, then i forgot to pull the pin on the tensioner, and i spun it around using the crank pulley, i spun it all the way aroun and nothing lined up anymore. So i took it all apart, got everything lined up, got the belt on, put on the tensioner, then i pulled the pin. So everything looked correct, however i turned the motor over using a 22mm and the crank pulley, i spin it around as many times as possible and the lines wont line up anymore. What did i do? How can i fix this? Any help would be greatly appreciated!!

Sorry if there is bad spelling/grammar its almost midnight and im freaking out that i just screwed up my car! Help Me!
Once you put the belt on the car and turn it the lines aren't going to be on the marks anymore, even if you spin it back to TDC. (They would line up eventually if you kept turning the motor over but you're going to be turning for awhile). This is normal. If the marks on the belt were lined up to the marks on the pulley's and the pulley's were lined up to the marks on the timing cover then you had the belt on the right way.

-Duncan
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Old 12-28-2008, 03:14 AM   #3
summitwrx
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Yes i had everything lined up perfectly, then i pulled the pin on the new tension and began to spin the engine over by hand. It feels smooth, however i couldnt get it to line back up, how many times would you have to spin it over to get it to where the pulleys marks are all lined up and the belts marks are lined up with the pulleys (just when the belt is first put on)
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Old 12-28-2008, 03:23 AM   #4
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Yes i had everything lined up perfectly, then i pulled the pin on the new tension and began to spin the engine over by hand. It feels smooth, however i couldnt get it to line back up, how many times would you have to spin it over to get it to where the pulleys marks are all lined up and the belts marks are lined up with the pulleys (just when the belt is first put on)
Don't worry about it. You can't check it like that. Line it up once, pull the pin, and you're done.

Maybe you've bitten off more than you can chew here.

Duncan
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Old 12-28-2008, 03:31 AM   #5
summitwrx
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Im usually good at stuff like this, i go to school for it, however it was my first ej series timing belt change, i just want to make sure i got it right. Thanks for the help!
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Old 12-28-2008, 11:28 AM   #6
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it takes something rediculous like thousands of rotations for the lines on the belt to line up with the pulleys again, if that is what you are asking. but after a full rotation, the lines on the pulleys should still be in the same place.
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Old 12-28-2008, 12:09 PM   #7
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The number of turns it would take for the marks to re-align equals twice the number of teeth on the timing belt.
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Old 12-28-2008, 01:38 PM   #8
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Old 12-28-2008, 04:20 PM   #9
summitwrx
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I was being stupid. Got it all figured out now, car runs great with my new timing belt in!

This thread can be deleted now, thanks for the help guys!
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Old 12-28-2008, 07:28 PM   #10
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I was being stupid. Got it all figured out now,
+1

I turned a 3 hour job into 2 days
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Old 12-28-2008, 09:05 PM   #11
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+1

I turned a 3 hour job into 2 days
I did too when I changed the timing belt for the first time on my 1.8T Audi

Hopefully when I change it on the WRX it will go a lot faster...
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Old 12-29-2008, 12:53 AM   #12
summitwrx
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Haha yea i usually add time on if its a first time job. Service manual says 2.5 hours, took me around 8 haha. I think i could do it again in 3 hours though now that i know what im doing.
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