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Old 08-09-2006, 02:24 AM   #1
sublime
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Default ej20 timing belt problem 99 impreza

Well i stuffed it.

I changed the timing belt on the misses 1999 rx impreza and i cant get it to run right again. HELP.

I have done everything the manual said and also downloaded the manual of here. all the marks line up to 12, i have done it at least 20 times now to get it right. and it still runs really ruff and its hard to start.


i have made sure that the marks line up after i turn the belt a full rotation and they do. What am i missing.


i think the cams arn't standard does this make a differance?

I will paypal you a case of beer for the brain storm that get's it going.

nuts are on the choping block.
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Old 08-09-2006, 03:11 AM   #2
Storm
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Assuming the worst here....If all the timing marks are at the 12 o'clock position...it's not gonna run. iirc, one's gotta be at 3 o'clock. Look at the plastic timing covers for small notches. That is where the cams have to be located.

Also, the crank timing mark is on one of the sensor teeth....not the arrow on the very front of the gear, that is only lined up for disassembly to keep the pistons below the deck and out of any danger of valve contact when the belt is removed.

If you're certain that everything is lined up correctly, the problem must be deeper. I can't see any reason for it not to run unless one of the marks is off.

Hope this helps some,
Jay Storm
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Old 08-09-2006, 03:31 AM   #3
sublime
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hi there Jay, yes it is at 3'o. Should of wrote better. i have got the marks lined up. i didn't use the arrows at all, The ting that gets me is it was all fine till i did the replacement. The problem i have is i live in the bush and there is no mechanic out here, i called a few and they wont travel.

i was thinking maybe one of the cams have to be a tooth out from standard as they are worked cams, but was done by the last owner. Would this be the case maybe?

Sub
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Old 08-09-2006, 10:41 AM   #4
Storm
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Are the timing marks in the exact placement as before you changed the belt? It's possible the cams (for some unknown reason) need to be run a tooth off. I highly-highly doubt it though.

Are all the sensors plugged back in?

How about the pulleys? Did you possibly remove them and accidentally put them back on the wrong cams?

Just thinking out loud here.....

Jay
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Old 08-09-2006, 11:23 AM   #5
Tim Sanderson
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00 Impreza 2.5 RS
Blue Ridge Pearl

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rx? Did you mean rs?
This is a 2.5 liter sohc correct?
Where did you get the timing belt?
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Old 08-09-2006, 11:25 AM   #6
Richard EVO
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post 5
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Old 08-09-2006, 12:50 PM   #7
JoshP
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its an Impreza RX he has, with an EJ201 SOHC engine.
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Old 08-09-2006, 04:52 PM   #8
sublime
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yes its a ej201.


the prob i have is i didn't mark the old belt. dumb,

i was just swaping the belt so i didn't undo any sensors or cam pulleys.

i'll take some pics and post them 2day, might be missing something.

thanks guys.
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Old 08-09-2006, 07:17 PM   #9
Tim Sanderson
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00 Impreza 2.5 RS
Blue Ridge Pearl

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I am of the opinion that the belt is incorrect.
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Old 08-14-2006, 03:28 AM   #10
sublime
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they gave me wrong belt.. looking for compo now. they said they would do the clutch change for cost price,

ok one step closer, its going- starts ok. but. poor exceleration, when you put your foot down to take of it has lag, what have i done now.
I checked all the hoses and sensors, and all ok.

did i bend the valves? does it run if you bend them how do i tell. oh dear.

Thanks
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Old 08-14-2006, 12:06 PM   #11
Tim Sanderson
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00 Impreza 2.5 RS
Blue Ridge Pearl

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leakdown test.
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