You really need to go back to the FAA report..

Yes the gear was worn, but *the wrong lubrication was a contributing part*.

I appreciate you know your brgs. Compatiblity is a problem on greases. Have you read your manual? ? Have you pulled any of the current MIL specs for grease??

I've seen big disputes on engine failures where the factory dennied the warrentee claim because they were using a non-approved oil. The lawsuit side of it, was the dealer had done all the oil changes.... But, it real just comes down to money-not logic.

How many diff failures have you seen in mercedes which have regular fluid? I've seen them run low on fluid and failed-but no failures related to the quality of the fluid. I replace my diff fluid with a 85W90 which is approved and don't think twice about it. If you want to throw an extra couple of bucks on syn diff oil- go do it. Nobody is say for you NOT to. We're just informing you of the rquirements.

And since you didn't seem to read this paragraph the last time I posted it by your comments.. here it is again

"The best argument for using the factory grease- is it's really fantastic grease. It is made by shell I believe- it's the same thing that the F-18 fighters have in their wheel brgs (so I've been told). You'd have to go through the mil-specs.
"
What is the mil- spec or NATIONAL supply code on the grease you are using?

Michael

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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E