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Old 09-27-2005, 09:44 PM   #1
jasona
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Member#: 11786
Join Date: Oct 2001
Chapter/Region: AKIC
Location: Alaska
Vehicle:
2014 OB 2.5i 6MT
Silver

Default Missing an alignment dowel, problem?

I noticed after I got my motor all put together except for the rocker covers that one of the little alignment dowels from under the cam cap fell off. I don't really see how this could be a problem since everything is obviously lined up fine if it's bolted together, the only thing I'm worried about is where do those holes go, would there be any problems with a little oil seeping in? Is it just a hole that goes nowhere that they stick an alignment pin in?
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Old 09-27-2005, 10:55 PM   #2
Burnout
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Join Date: Mar 2001
Chapter/Region: South East
Location: Asheville
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2002 2.5 RS
1997 Brighton

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My recommendation to go ahead and get a new dowel pin for it. The cam rides on machined surfaces that are made to tight clearances. For the price that the dowel is, probably less then a buck it would be the smart and safe thing to do for the price of the part. The dowel makes sure that the cap seats in the same exact place every time and when you torque the cap bolts down. As for the oil leaking into the holes, you should have some RTV to seal the cap onto the head so that should be a problem.
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Old 09-28-2005, 12:21 AM   #3
jasona
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2014 OB 2.5i 6MT
Silver

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I still have the dowel, it's just the engine is already completely reassembled, I don't want to take it all apart to put the dowel back in if I don't have to. If all my bolts are already in and torqued, then it's lined up already even without the dowel. So is there really any reason I NEED to put the dowel back in, or should I just save it and put it back next time I take the motor apart (if there is a next time)?
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Old 09-28-2005, 10:59 PM   #4
Tim Sanderson
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Location: S.E. wisconsin
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00 Impreza 2.5 RS
Blue Ridge Pearl

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See how she does. Hopefully it won't shift. If it does though, I wonder how much if any damage will occur. There are 18 bolts holding it in place. Best of luck.
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Old 09-29-2005, 08:32 AM   #5
Burnout
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1997 Brighton

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If it shifts you could probably get oil leaking from the cam seal and the rear cap. Irregular ware on the lobes and maybe even on the valve's tops them self.
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