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Old 01-31-2007, 01:47 AM   #1
Achenar
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Default Head Oil Control Orifice - Missing o-ring?

I'm replacing the head gasket on my B16A2.

Per the HELM instructions, I pulled out the head oil control orifice to clean, and replace the o-ring ... however, much to my surprise, there wasn't an o-ring! Click the image to open in full size.

Am I correct to assume foul-play?

I can't verify all of the history of this motor, and I suspect at some point, someone replaced the head ... most likely re-using the head gasket and bolts (which is why the damn thing has been leaking so badly with only ~100k miles on it.

I just can't imagine why someone would pull out the orifice without at least re-using the o-ring.

-a
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Old 01-31-2007, 09:58 AM   #2
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Default Re: Head Oil Control Orifice - Missing o-ring? (Achenar)

Click the image to open in full size.
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Old 01-31-2007, 10:00 AM   #3
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Default Re: Head Oil Control Orifice - Missing o-ring? (Achenar)

if you can get it just put it in. and you dont have to replace all the bolts, just get the head resurfaced and get a new head gasket.
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Old 01-31-2007, 05:00 PM   #4
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Default Re: Head Oil Control Orifice - Missing o-ring? (fmrprojects)

Heh, turns out the alternator o-ring was also missing!
No wonder this thing has been leaking so much oil! Click the image to open in full size.

-a
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Old 01-31-2007, 06:33 PM   #5
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Default Re: Head Oil Control Orifice - Missing o-ring? (Achenar)

alternator o-ring? do you mean the distributor
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Old 02-01-2007, 01:28 AM   #6
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Default Re: Head Oil Control Orifice - Missing o-ring? (kay20adc2)

My bad ... it's been a long day Click the image to open in full size.

-a
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