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Oil leak at 2 different spots
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BDSBSS23
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PostPosted: Mon Feb 24, 2014 7:00 pm    Post subject: Oil leak at 2 different spots Reply with quote

Oil leaks at the head valve cover and vacuum pump. They both have new gaskets installed but still leaks. My question is could I add thin layer of gasket maker to help stop the leak? I'm not a fan of oil leak but can live with it if it continues to be a problem. Any advice? I haven't really checked the fuel leak yet because I want to get the oil leak solved.
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crsmp5
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PostPosted: Mon Feb 24, 2014 8:23 pm    Post subject: Reply with quote

thanks for all the info...

no silicone bad...

now depending on what engine.. i may be able to help.. but lack of info... no help..

p.s. if my diesels do not mark their spot.. its out..

p.s.s diesel washes oil down and makes it look like it leaks more then it does..
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BDSBSS23
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PostPosted: Mon Feb 24, 2014 8:50 pm    Post subject: Reply with quote

It's on a vw diesel rabbit 1981.
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crsmp5
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PostPosted: Mon Feb 24, 2014 11:23 pm    Post subject: Reply with quote

, if stock untampered with..

people distort the vc around the stud holes, a socket and ball pean hammer helps fix..

tip#2, change studs, get mk3 style all rubber gaskets, they have a steel insert built in.. but gotta change the studs..

vac pump is a rubber diafram style, so has hose that goes to the engine block..

uses a paper gasket, do not use rtv around it.. the vac pump has oil return drains built innto its base.. but the black tar permetex stuff, some of that works great.. in little jar with brush.. i use it on the paper tranny gaskets.. lot of air cooled do too.. stuff never gets hard per say..

look really good at that hose.. the nipple on pyump is kinda short, wrong hose clamp, too thick a hose.. they tend to leak oil due to oil vapors.. diesel fuel dripping on that hose makes it soft and leak too.. its breather vapor..

tip#2,,, i use a k&n pvc filter on the vac pump, block off port on block, or t it into vc breather hose.. i find that the vac pump screws with the crank case pressure and makes mine use oil.. capping it off and filter made it stop using oil.. also made silly hose never seep oil again..

now if its got non original parts.. im no help..
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crsmp5
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PostPosted: Mon Feb 24, 2014 11:25 pm    Post subject: Reply with quote

non original... aaz or tdi parts.. they all different... old 1.6.. info given.. vac pumpd change on mk2 for na, but td started in 83 had vain pumpd the mk2 got.. aaz base different, aaz uses o-ring.. big hole too..
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mehran_mo
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PostPosted: Wed Mar 12, 2014 5:48 am    Post subject: Reply with quote

also make sure the screws or nuts which tighten the cover are tightened with the correct torque. in the most cases excess tightening crush the gasket and cause to make leakage after low mileage used and in some cases the nuts or screws didn't tighten enough to prevent the leakage.
before buy a new gasket or using any silicone sealant or... it's better to make sure that they tightened in correct torque.
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BDSBSS23
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PostPosted: Tue Mar 25, 2014 8:02 pm    Post subject: Reply with quote

"crsmp5"= if stock untampered with..

people distort the vc around the stud holes, a socket and ball pean hammer helps fix..

tip#2, change studs, get mk3 style all rubber gaskets, they have a steel insert built in.. but gotta change the studs..


This is what I did and it stopped the oil leak finally. Keeping my fingers crossed. I'm hoping to fix my vacuum pump soon so I don't see anymore oil leaks.
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http://www.thesamba.com/vw/forum/viewtopic.php?t=522611&highlight=std
Pillar repair with 65 bus
http://www.thesamba.com/vw/forum/viewtopic.php?t=530360
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