Oil Cooler Nuts - Where To Find Replacements

[BUGSTUFF]

'68 Beetle
Non-Doghouse Style Oil Cooler
Where can I find replacement nuts?
Are Nylock nuts available?

TIA.
_________________
Kirk

Northeast IL VW Association - www.nivaclub.org
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Volkswagen Club of America - www.vwclub.org

[Tim Donahoe]

Take the oil cooler (for fitting) with you to any ACE Hardware. They should have lots of little drawers in the store, including many metric nuts, bolts, etc. They have nylon lock nuts, too, but I'd just use the washers.

Tim
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Richard O'Brien

[Glenn]

They're just M6 nuts... nothing special.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
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[glutamodo]

I don't think I'd put nylock on there either. Just a normal M6 spring washer is fine for me.
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Andy T.


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[60ragtop]

Nylocks have worked for me for over 35 years there and on the generator backing plate. That's two places to use them for sure in my book.
Local hardware store should have them.
_________________
Rick
Certified Mechanic by the State of Michigan in 1977
ASA certified in 1987
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[busman78]

Never had a generator backing plate that used nuts, mine always used 6mm bolt. But if you do use regular 6mm nuts for the oil cooler you do need the spring washer as mentioned and you should also use a flat washer. Oh yea torque is only 5ft pounds,

[Zundfolge1432]

[Cusser]

Ace Hardware has 6.0mm x 1.0mm nuts of all these types, including locknuts.

However, I must state that I've never used locknuts on an oil cooler myself. I DO use brass 8.0 x 1.25mm nuts for the exhaust attachments to the head studs too, and this also allows me to use a smaller size wrench for better clearance/fit (Ace Hardware does NOT have those).
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1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297

[VW_Jimbo]

[60ragtop]

[bluebus86]

[mark tucker]

I like both springywashers and nylockes. Ive used springy on ex and no issues with them loosing springyness. I think I use the nylockers on my alt too.

[Zundfolge1432]

So how do you read torque with a self locking nut?

[airschooled]

[busman78]

Got it, back side of the backing plate, never had them come loose, out of site out of mind. I do not use self locking nuts, spring washers do an excellent job, always have always will.

I kind of borrowed this from another site about torquing Nylocks

The rule of thumb is to add the prevailing torque to the torque value when applying torque to a Nylock nut. This is because the prevailing torque doesn't contribute to bolt tightening. It is just friction that needs to be overcome.

For example, a Grade 5 1/4-28 bolt in tension lubricated zinc plating, with a torque of 10.5 lb. ft. produces a clamping load of 2,511 pounds.

If we use a use a Nylock nut that takes 2 lb. ft. of torque to turn, then 2 lb. ft. of torque is used in turning the nut leaving only 8.5 lb. ft. for bolt tension. Our clamping load is reduced to 2,009 pounds.

If, however, we take our original torque of 10.5 and add the 2 that the Nylock requires and set our torque wrench to 12.5, our clamp load is 2,511 pounds. The same as it was without the nylock.

You can use your torque wrench to measure Nylock nut torque and then add this value to the bolt's required torque.

Prevailing torque calculation should be done with your nut and your bolt using your thread lubricant. Published prevailing torque charts may give you an idea of how much torque is used up by the nut's locking feature, but in actual conditions, the results will vary. There is an interaction between the bolt threads, nut locking feature, and the thread lubricant (whether liquid or plating) that makes each prevailing torque calculation unique.

[mark tucker]