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Mattm94
11-24-2011, 10:12 PM
Any of you who've been on trips requiring water crossings run marine grade lube instead of auto grade in diff, t-case, etc.... ?

1911
11-24-2011, 10:31 PM
Any of you who've been on trips requiring water crossings run marine grade lube instead of auto grade in diff, t-case, etc.... ?

The grade of lube won't matter once it's contaminated with water and mud; either change it after the trip where you had deep crossings, or move your vents up high.

keezer37
11-25-2011, 12:38 AM
...or move your vents up high.

Straight up. Gas doors, they're not just for gas caps anymore.

TACODOC
11-25-2011, 06:48 PM
Straight up. Gas doors, they're not just for gas caps anymore.

X2

And for zerks it helps to always use a high quality grease like Lucas red #2 etc

Mattm94
11-26-2011, 04:18 AM
Vents up high aside, marine grade lubes have emulsifiers that keep moisture suspended, reducing or preventing damage until you can flush/fill.

Anyone run automotive grade gear lube or witnessed the results in a "sealed" lower unit or outdrive?