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Old 09-22-2017, 07:57 AM   #1
barkleydave
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Default Oil fill pipe leak

I have been chasing a pesky oil leak and thanks to James at DreamWorks, (I stopped by on a recent tour) he spotted the problem right away. The pipe is not snug enough and it is weeping oil at the base of pipe and block.

Any ideas how to seal it tighter?

Got up to 5,600 ft on the Blue Ridge. The Ole truck did a good job... thanks to a 5:1 head and cast iron brake drums!

We had planned on going to B. Terry's but a family situation cut our tour short and we had to load up and head back to KY.

Thanks
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Old 09-22-2017, 08:32 AM   #2
Glen in Hillman MI
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Default Re: Oil fill pipe leak

Pull the breather tube from the block and clean oil off the tube and the hole in the block. (Gas?). Then run a small bead of permatex2 around the lower portion of the tube and push back into the block. In a couple of days, it should be secure.
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Old 09-22-2017, 09:41 AM   #3
BILL WILLIAMSON
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Default Re: Oil fill pipe leak

It "may" be just mist from the cap vents, running down. Very normal. Some put a sock over it, for long trips. "Sometimes" it'll blow down behind the starter & look like a rear main leak!---And you'll say, "OH SHIT, OH DEAR"!!!
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Old 09-22-2017, 10:38 AM   #4
glenn in camino
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Default Re: Oil fill pipe leak

The sock might create back pressure and leaking from the rear main.
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Old 09-22-2017, 01:12 PM   #5
BILL WILLIAMSON
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Default Re: Oil fill pipe leak

Quote:
Originally Posted by glenn in camino View Post
The sock might create back pressure and leaking from the rear main.
NOT EVEN!! Just use it over the CAP/TUBE. Just DON'T use your Wifes' CUTE socks!!!
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Old 09-22-2017, 02:02 PM   #6
CarlG
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Default Re: Oil fill pipe leak

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My oil fill pipe was so tight that I had to drive it out with a socket from the back side.
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Old 09-22-2017, 07:32 PM   #7
Ian in Mississauga
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Default Re: Oil fill pipe leak

For a permanent fix tin it with soft solder (lead/tin) then tap it in.
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Old 09-23-2017, 12:07 AM   #8
Mike V. Florida
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Default Re: Oil fill pipe leak

use a pipe expander
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Old 09-23-2017, 02:55 AM   #9
Synchro909
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Default Re: Oil fill pipe leak

I used the tin with soft solder technique with success.
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Old 09-23-2017, 03:37 AM   #10
Dollar Bill
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Default Re: Oil fill pipe leak

I fixed mine with Permatex® Form-A-Gasket® No. 1 Sealant

Description: Fast-drying, hard-setting sealant designed for sealing rigid materials and flanges, or patching holes and joints where permanent assembly is desired. Temperature range -65°F to 400°F; resists common shop fluids and fuels.
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Old 09-23-2017, 07:01 AM   #11
marty in Ohio
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Default Re: Oil fill pipe leak

Mine was loose so I took it off and gently tapped the inside of the tube with a drift pin. This made a dimple on the inside of the tube and a pimple on the outside. Put a little sealer on it and tapped it back into the block.
Worked like a charm.
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Old 09-23-2017, 07:06 AM   #12
barkleydave
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Default Re: Oil fill pipe leak

Thanks guys great suggestions.
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