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08-30-2017, 05:42 PM | #1 |
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Location: South Coast NSW Australia
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59A oil leak from behind flywheel
Got reco engine running and it was OK for a bit...65 pounds oil pressure.
Then it suddenly is pouring oil out from behind flywheel. Pulling engine today. I misplaced the original grub screw at the end of oil gallery, and made up a grub screw to fit. I have since found the original and it looks to be a bit tapered to seal better. My grub screw was a piece of cut bolt so it was straight and although I put sealer on it , it must be the culprit. I am guessing I will find the screw has leaked pressurised oil and blown the cover gasket out . It was too sudden and too much oil for anything to do with the main rear seal I think. What is the general consensus? |
08-30-2017, 06:44 PM | #2 |
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Re: 59A oil leak from behind flywheel
I'd say that's your problem.
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08-30-2017, 07:39 PM | #3 |
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Re: 59A oil leak from behind flywheel
I believe that plug is 1/4 NPT, so a bolt would definitely not work.
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08-30-2017, 09:24 PM | #4 |
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Re: 59A oil leak from behind flywheel
Yup, pulled the engine and the lousy bolt bit I made did not look too good.
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08-30-2017, 09:36 PM | #5 |
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Re: 59A oil leak from behind flywheel
Doh !!
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08-31-2017, 05:18 AM | #6 |
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Re: 59A oil leak from behind flywheel
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He asked if was pressurised oil in the idler gear cavity . I said , I think so.... is it? |
08-31-2017, 11:26 AM | #7 |
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Re: 59A oil leak from behind flywheel
The gear cavity is fed by the oil that leaks around the oil pump body. The oil there can go up and out the top of that cavity, so there is no pressure there. The 1/4" pipe plug is at the rear end of the oil gallery- the oil pressure there is at whatever the pump puts out.
Karl |
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