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Registered
Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,595
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dissimilar metals question
Yesterday I had the fun of cutting off the steering wheel on my new to me used boat
 I tried penetrating oil, heat and a gear puller she was frozen on there. I did get it off and now I will be installing a stainless steel steering wheel. Not sure what the hub of the SS wheel is made of but it's either cast aluminum or stainless. The steering shaft is steel. So what should I use as a lubricant between the hub and the steering shaft ? Should I use silicone grease, regular grease , lithium grease or anti-seize ? If anti-seize do I use copper or aluminum based ? The goal is to minimize corrosion and dissimilar metal galling so in the future if I have to take the wheel off it can be done without destroying it  I'm a little concerned about using anti-seize only because if it " runs " due to heat/moisture it will run onto the dash panel. And we all know how anti-seize gets on everything ! 
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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08-03-2014, 02:05 AM
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My friends call me, Top
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If yu can find Plasti-lube, that would work best with a light coating. You could also paint the splines lightly for added protection. Just don't assemble while the paint is wet.
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Matt '87 924S |
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08-03-2014, 05:15 AM
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Corrosion Prevention & Metal Protection by EckŪ
We used this product when I worked for Carver Yachts. Worked very well.
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1988 924S It's still cheaper than psychotherapy................... |
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08-03-2014, 05:52 AM
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Control Group
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Man I love this place
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She was the kindest person I ever met |
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08-03-2014, 05:58 AM
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Targa, Panamera Turbo
Join Date: Aug 2004
Location: Houston TX
Posts: 22,366
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ahh yes, galvanic corrosion! When two dissimilar metals of different valences are left in contact with an electrolytic solution like water or salt water the exchange of electrons ensue. The upside, electricity happens, the downside is that the metals oxidize and become brittle. A few ways to inhibit such action...
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Michael D. Holloway https://simple.m.wikipedia.org/wiki/Michael_D._Holloway https://5thorderindustry.com/ https://www.amazon.com/s?k=michael+d+holloway&crid=3AWD8RUVY3E2F&sprefix= michael+d+holloway%2Caps%2C136&ref=nb_sb_noss_1 |
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08-03-2014, 08:45 AM
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Registered
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Try Tef Gel - been using it for 15 years with aluminum on steel in salt water and the parts always come loose
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08-03-2014, 09:35 AM
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Takin' hard left turns
Join Date: Dec 2004
Location: So Cal
Posts: 1,412
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Quote:
Tef Gel is great. I prefer Fas-Torq A/G. If washout may be an issue, use Marine Grade Never-Seize. |
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08-04-2014, 06:36 AM
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Registered
Join Date: Aug 2002
Location: MD
Posts: 5,733
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I've used Lanocote with good results.
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08-04-2014, 06:45 AM
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Registered
Join Date: Mar 2008
Location: Fla panhandle / Roaming in my motorhome
Posts: 4,332
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+1 ^ on the lanocote, good stuff
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08-04-2014, 09:41 AM
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Rudolf
Blue Max
Pearl
2004 Mazda Miata
