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Cam cap doesn't turn?


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12 replies to this topic

#1 grossgary

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Posted 28 December 2012 - 05:36 PM

1995 EJ22 - the drivers side has the cam cap with the oring underneath of it. This one is insanely tight, never seen one even close to this. I can get it to turn with hammer blows but going back and forth a number of times has not gotten it to come forward at all?

Car ran and drove fine.

#2 Fairtax4me

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Posted 28 December 2012 - 07:02 PM

It's a very close tolerance fit between the head and cap. If any dirt or sludge is between the flanges it can be very difficult to remove. Try the prybar approach.

#3 GeneralDisorder

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Posted 28 December 2012 - 10:53 PM

Might have to break it. Pry and turn at the same time usually works for me.

GD

#4 grossgary

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Posted 29 December 2012 - 09:32 AM

Might have to break it. Pry and turn at the same time usually works for me.

GD

wow, break it!! i've done a ton of these cam caps so I'm accustomed to them being tight, this one doesn't turn without stout hammer blows. it was dark and i was not able to pry so i'll get on that next time.

#5 davebugs

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Posted 29 December 2012 - 10:34 AM

I'm confused about what you guys are calling a cam cap I guess.

Sounds like you mean the cam sprocket thing on the front outside of the engine?

Further back where it's aluminum to aluminum with the skinny Oring on a 95.

Or what I usually call a cam cap - what 3 of them holding the cam onto the head.

#6 ivans imports

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Posted 29 December 2012 - 12:14 PM

warm it up with a heat gun get it as hot as you can have had a few that the alluminnum bonded with the cam is a pain

#7 avk

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Posted 29 December 2012 - 03:28 PM

Be careful using force on the cam support. The tolerances are close because this piece contains a cam bearing. So it's tight both on the outside (against the bore in the head) and on the inside (against the camshaft). You don't want to distort it, or score the bearing surface with the edge of the journal.

#8 nipper

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Posted 29 December 2012 - 07:22 PM

Yes lets clearup what we are calling a cam cap

#9 grossgary

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Posted 29 December 2012 - 08:55 PM

cam cap - houses the cam seal. camshaft support....

hard ballers! nothing else meets the description...only on drivers side...oring underneath of it...turn it to get it off...pulls forward.

#10 davebugs

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Posted 29 December 2012 - 09:09 PM

Some of us are rather dense you know...

A rubber mallett has always worked for me.

#11 ivans imports

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Posted 30 December 2012 - 12:14 PM

make shure the cam is in unloaded position

#12 avk

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Posted 31 December 2012 - 11:56 AM

make shure the cam is in unloaded position

I never thought about that, and it is very important if you think about it. I'm just hoping that, with the timing belt removed, the camshaft would turn towards the unloaded position by itself.

#13 Qman

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Posted 31 December 2012 - 04:53 PM

Pssst, try some lubrication.... rotate with channel locks and a small flat tip screw driver giving outward pressure.




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