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Nagging oil leak
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Lil Lulu
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PostPosted: Mon Aug 13, 2018 7:06 pm    Post subject: Nagging oil leak Reply with quote

I believe I have finally found the nagging oil leak that has eluded me for a long time. I poured a bottle of UV dye in the last oil change, washed it clean and ran it on ramps looking with a black light and, sure as shit, something I thought impossible: the gallery plug above the filter adapter is the culprit. All gallery plugs were tapped for hex plugs at rebuild. I used Locktite 512 on all of the gallery plugs.

Question is: Can I get to that plug by pulling the shroud, oil cooler and filter adapter, and when I do pull it, what should I do, get another plug or just clean that one up and replace it with some more 512? Since the 512 didn’t seem to work the first time, maybe there’s something better. In the past I used Indian Head.
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'65 Beetle "Lil' Lulu"- Ruby Red
1600 stock from '71 bus

'72 Deluxe - Niagara Blue w/pastelwiess Camper Special 2L dual 40 Webers 002

'74 Hightop Weekender "Dixie" 1800 34 Del singles
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aeromech
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PostPosted: Mon Aug 13, 2018 7:59 pm    Post subject: Re: Nagging oil leak Reply with quote

Is that plug a 1/4 NPT? If so, then I was just looking at one a couple weeks back when I installed a filter adapter. It lives just above and to get to it you might be able to go in with a long nozzle an spooge some sealant over the top without removing anything. To remove the oil filter adapter you’ll need to remove a lot of stuff first
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SGKent Premium Member
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PostPosted: Mon Aug 13, 2018 8:10 pm    Post subject: Re: Nagging oil leak Reply with quote

there is one up there which is almost impossible to get to even with the case stripped as I recall. make sure that the oil sender isn't fooling you because that is about where the drip will come down the case.
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aeromech
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PostPosted: Mon Aug 13, 2018 8:11 pm    Post subject: Re: Nagging oil leak Reply with quote

Good call Steve
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Lil Lulu
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PostPosted: Mon Aug 13, 2018 11:19 pm    Post subject: Re: Nagging oil leak Reply with quote

Not the OP sender. I have a remote OP sender setup. (Good one) No leaks from there. Using the black light and dye, the highest oil is that plug. It drops down into the air stream and gets splattered on the support bar, oil filter, OP reg. valve, header, muffler, and the whole back of the freaking bus.

I was so sure last year that it was the filter adapter gasket. Made a gasket from gasket material and 518. I removed the shroud and converted it to bolt on. At the same time I renewed the seal at the op sender even though it was dry.
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'65 Beetle "Lil' Lulu"- Ruby Red
1600 stock from '71 bus

'72 Deluxe - Niagara Blue w/pastelwiess Camper Special 2L dual 40 Webers 002

'74 Hightop Weekender "Dixie" 1800 34 Del singles
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Wildthings
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PostPosted: Mon Aug 13, 2018 11:30 pm    Post subject: Re: Nagging oil leak Reply with quote

Lil Lulu wrote:
At the same time I renewed the seal at the op sender even though it was dry.


The Type 4 should have a tapered thread for the oil pressure switch instead of a sealing ring as per a Type 1. It is possible for the metal to crack around the hole for the oil pressure sender as well.
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aeromech
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PostPosted: Tue Aug 14, 2018 6:11 am    Post subject: Re: Nagging oil leak Reply with quote

This might help

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_________________
Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound
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Lil Lulu
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PostPosted: Tue Aug 14, 2018 9:17 pm    Post subject: Re: Nagging oil leak Reply with quote

Sure does help. That plug next to the top stud on the adapter boss. I suppose if I’m in there, I might as well remove and doctor all I can reach.
_________________
'65 Beetle "Lil' Lulu"- Ruby Red
1600 stock from '71 bus

'72 Deluxe - Niagara Blue w/pastelwiess Camper Special 2L dual 40 Webers 002

'74 Hightop Weekender "Dixie" 1800 34 Del singles
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View user's profile Send private message Gallery Classifieds Feedback
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