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Old 07-08-2009, 07:42 PM   #1
RS-Flyboy
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04 Silver Baja
1999 Impreza 2.5RS

Default Help! Timing Belt Install, stuck on the... you know, install

Hey. Installing the timing belt right now. Here' where I'm at: I currently have the toothed pulley on the waterpump removed, as I changed that as well.

For the pulley, the marks on the cams and the crank all line up, and the belt seems fine. When I go to install the toothed pulley that goes on the waterpump, there is not enough slack on the belt to put it on. There is a pin in the tensioner to provide plenty of slack for the "upper" part of the belt, where the lines on the cams are.

Any advice? Need be, I can video conference with my webcam if that helps.
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Old 07-08-2009, 07:45 PM   #2
RS-Flyboy
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SOHC, as well, not the DOHC.
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Old 07-08-2009, 08:35 PM   #3
ciper
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While keeping the timing marks correct turn the passenger side cam pulley counterclockwise while turning the driver side clockwise. This will cinch up the belt on top and give you slack.

BTW it sounds like you are doing it wrong. The water pump pulley is not the last to be installed. It is second to last! The lowest smooth pulley goes on last.

edit: See where it says "install it in the end" ?
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Old 07-08-2009, 09:01 PM   #4
Jerry Xu
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That picture is wrong. He has a SOHC. But ciper is right that the water pump goes on first. The pulley on the water pump doesn't have teeth either. Then you install the 2 tensioner pulleies. Finally you pull the tensioner pin. Although the above picture is for the DOHC, it shows which pulley goes on last before the pin is pulled. The pulley that has the pin should be the one right side to the "A" in the picture above.
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Old 07-08-2009, 09:14 PM   #5
ciper
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The picture was for illustration purposes only. When he says "the toothed pulley that goes on the waterpump" he means the one that bolts to it which is the only idler with teeth.

BTW dont use the timing marks on the cover. You will almost always be off by a tooth. If your timing belt doesn't have marks (you didn't buy a factory one?!) you should count teeth and mark it yourself. Read this post http://forums.nasioc.com/forums/show...8&postcount=14
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Old 07-08-2009, 10:07 PM   #6
RS-Flyboy
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Oy... thanks. Turns out that while everything was lined up (the belts to the cam), the right cam was NOT lined up accordingly. That slight 1/4" adjustment made all the difference.

I threw it on, and hand-cranked it about 15 times with the plugs out, just to make sure that I wasn't going to bend any valves. Ran smooth. Haven't fired it up yet, taking another beer break.
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Old 07-08-2009, 10:15 PM   #7
Bluefoton
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Quote:
Originally Posted by RS-Flyboy View Post
Oy... thanks. taking another beer break.
How many of those did you have when aligning?
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Old 07-08-2009, 10:19 PM   #8
RS-Flyboy
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Quote:
Originally Posted by Bluefoton View Post
How many of those did you have when aligning?

No kidding, eh? It's a little embarrassing, really... I mean, I WROTE a DIY on RS25.com. I assumed it was because when I wrote it, I used a DOHC 98 RS, as opposed to my now 2004 SOHC Baja.

But, seeing as the warranty on it expired last year, I haven't had my hands dirtied with maintenance beyond changing oil for about 4 years or so. I guess knowing this kinda stuff is something that should be practiced now and then in order not to lose it.

*sigh*... time to change the oil now, and fill it up with coolant, then the final test (being the drive to fill up the tank).
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Old 07-08-2009, 11:44 PM   #9
Jerry Xu
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did not see answer to the beer question...
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Old 07-09-2009, 12:17 AM   #10
RS-Flyboy
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Quote:
Originally Posted by Jerry Xu View Post
did not see answer to the beer question...
About 3 Sam Adam's Imperial White Ales. They're about 10.5%. Had another 2 when I finished up.

Just got back from gassing up. About 24 miles round trip, including some highway, and nothing is askew.
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Old 07-09-2009, 07:20 AM   #11
Storm
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RS-Flyboy.....in case you forgot.....the oilpan takes a 17mm boxwrench. Lefty-loosie!!!!


Jay
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Old 07-09-2009, 01:03 PM   #12
Jerry Xu
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...man happy...
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