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Old 09-30-2011, 12:08 PM   #1
JDMFLCL
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Default Cam Seal questions

After a quick search I found out that the cam seals I need on my EJ20g are the same as any DOHC Subaru Motor. Is there a proper method for removing the seals? I plan on doing my timing belt soon (<--85k) and figured this would give me the perfect opportunity.
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Old 09-30-2011, 01:21 PM   #2
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I dont believe you can just pop them out and push the new ones back in with out pulling off the valve covers and removing the cams....thats untorquing all the internals and new valve cover seals. You mind as well do everything seal wise while your in there then .....you know the whole sha-bang!

Hopefully Im wrong....but I dont think so
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Old 09-30-2011, 06:46 PM   #3
bangusto
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i have the same problem on my car!! i think you can remove the valve cover only for replace the gasket
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Old 09-30-2011, 09:42 PM   #4
69subaru360
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Just pop the out with a flathead and drive them back in with a big socket or piece of pipe.

You don't need to touch the valve covers.

Be careful not to gouge anything popping them out and be sure to use something as big as the outside diameter driving them back in so you don't ruin them.
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Old 09-30-2011, 11:18 PM   #5
dangerousatom
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nice......69 would know for sure.....
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Old 10-01-2011, 12:57 AM   #6
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As above, 'just' remove the timing sprockets and remove the seals destructively with a scre driver.

New cam seals are the same part as the USDM EJ25 DOHC up to 1999 only, and also the same as SOHC came seals. The USDM WRX and STI DOHC use different seals (bigger diameter).
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Old 10-03-2011, 11:08 PM   #7
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How do I go about removing the cam gears?
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Old 10-04-2011, 01:43 AM   #8
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You have to 'lock' the sprockets and use a wrench with hex 17 nut. It's best to remove them with the timing belt in place if you don't have 'the' special Subaru tool but be careful that the belt doesn't skip. And do not re-use that belt afterwards.
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Old 10-04-2011, 12:53 PM   #9
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Quote:
Originally Posted by Marnix View Post
You have to 'lock' the sprockets and use a wrench with hex 17 nut. It's best to remove them with the timing belt in place if you don't have 'the' special Subaru tool but be careful that the belt doesn't skip. And do not re-use that belt afterwards.
This.

When I took the cams off of my 1993 EJ22, I kept the belt on, and just tightened 2 c-clamps on each side of the belt. That thing did not spin at all and the cams came off no problems.

Might be a little harder to position some c-clamps on a DOHC, but I'm sure you can figure something out.

Good luck.
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Old 10-06-2011, 01:17 PM   #10
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Best way to get the cam gears off is with the belt on, but you could also just use an impact to get them off
Quote:
Originally Posted by 69subaru360 View Post
Just pop the out with a flathead and drive them back in with a big socket or piece of pipe.

You don't need to touch the valve covers.

Be careful not to gouge anything popping them out and be sure to use something as big as the outside diameter driving them back in so you don't ruin them.
This. it is super easy to deform the metal around the seals so be extra careful that you dont gouge it. then get a big socket thats the same diameter of the seal to carefully pound them back in (and be sure not to let the lip of the seal flip up/out when you are pushing it in
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