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Old 11-30-2008, 03:48 PM   #1
Scooby Newbie
Member#: 181952
Join Date: Jun 2008
Chapter/Region: NWIC
Location: Nampa, ID
1998 Outback Sport
Green/Black/Carbon Fiber

Exclamation Timing belt to long!

So doing head gaskets on my 99 legacy 2.5gt (ej25D).
Here is the problem I had the heads rebuild when they did that they also surfaced them did not get the specs on how much they took off.
Also I when with ej257 head gaskets, noticeably thinner than the ones i took off.
Get everything back together and makes this sound.
Don't think it is piston slap or rod knock beings how it is consistent and changes with rpms
Compression test was ~180 and about ~110 running.
took it all back apart and the timing belt is loose.
took the hyd ten off a ej205 that was laying around (the bracket too cause it has and extra idler on it) that took up some of the slack.
Noise quieted down as soon as the car warmed up(I would assume confirming that is is the hyd ten)
PROBLEM: The Timing belt is still loose!
i need a fix and fast anyone out here have any suggestions.
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Old 12-02-2008, 09:04 PM   #2
Scooby Newbie
Member#: 103771
Join Date: Dec 2005
Chapter/Region: MWSOC
Location: SW, Michigan
'02 Impreza 2.5


So what was it? If the timing belt came loose I'd be worried that the sound is the valves kissing the tops of the pistons. Were the valves adjusted after you picked it up at the machine shop? They may not have adjusted them. I noticed on my '99 Forester that the dealer, manual and hood sticker all had different valve clearances listed.
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