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Old 05-09-2005, 10:33 AM   #1
soccer_freak_m@hotma
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Member#: 47261
Join Date: Nov 2003
Chapter/Region: W. Canada
Location: Edmonton, Alberta
Default timing belt/chain???

I keep getting mixed signals...

For a MY99 RS is the timing done via a chain or a belt?
How often does it need to be replaced?
IF I'm supposed to replace it can I do it myself?
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Old 05-09-2005, 11:50 AM   #2
mengy2
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Member#: 35794
Join Date: Apr 2003
Chapter/Region: VIC
Location: LMD BC
Vehicle:
2004 wrx wagon auto
silver

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its a belt.
i think it is done at 96000 km.
i wouldn't do it myself unless you know how as u can mess the timing up if u do it wrong.
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Old 05-09-2005, 12:27 PM   #3
soccer_freak_m@hotma
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96,000 has come and gone before I got the car - so I'm assuming it would need to be done again at 196K or 198k?

I've done some reading on it and if it's the same as a 97OBS then it doesn't seem that hard. Mostly I'd need to replace the tensioner which comes pre-loaded with a pin inplace so I don't have to worry about that. I've also read that it's a good idea to change out seals and so on while I'm in there. Oh, and I may as well change the water pump as a preventative measure?

I should also go ahead and change out the rad hoses and fluid while I've got the Rad out?

Anything else that should be done at 198K that I haven't mentioned (I do oil regularly so that's not an addition)
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Old 05-09-2005, 03:51 PM   #4
mengy2
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silver

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if you are comfortable with that by all means do it. i am not though as i am still learning the ropes. lol
yeah i got the crank case seal changed with mine when i did the belt as that seems to be a seal that often fails
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Old 05-09-2005, 05:14 PM   #5
soccer_freak_m@hotma
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Quote:
Originally Posted by mengy2
if you are comfortable with that by all means do it. i am not though as i am still learning the ropes. lol
yeah i got the crank case seal changed with mine when i did the belt as that seems to be a seal that often fails
I figured if I can change my clutch and my struts and still have the car working properly months later I should be good to give this a shot.
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Old 05-09-2005, 06:08 PM   #6
mengy2
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2004 wrx wagon auto
silver

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yeah, i guess so hey. i did my struts as well, never a clutch though. struts were fairly straight forward but i am not confident enough for the clutch and/or belt
maybe one day if i had the right tools
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Old 05-10-2005, 07:53 AM   #7
damianq
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1999 Impreza
Primer

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SFM, The timing belt for your car is NOT the same as an 97OBS. Different engines. Your's is a little bit harder to do. Yes, replace the water pump while you're in there & the front seals. Take a good listen to the idler pully too. If it makes even the slightest noise (aside fromm free spinning) replace that also. You will need a vice & a VERY small but strong pin for the tensioner. If you tensioner can be pushed back by hand, replace it, it's done. No special tools are needed for this one. But it would be wise to BE PARANOID about getting the timing right. ake sure you get the timing marks aligned. Check everytime you touch anything. Get the timing wrong & you could bend valves VERY easily. Gimme a holler if you have questions. I can do them in my sleep now but am still always paranoid about the timing.
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