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Originally Posted by ntechnic This scares me, I accidently went 200 miles without the additive. Now, I know the additive is only a friction modifier for the clutches in the LS, and that bearings, gear faces, etc., don't need it. So I'm primarily worried about the clutches.
Oh well, I now know that you have to use the additive even with the grape stuff... |
Youv'e almost certainly not hurt anything in 200 miles. In other posi vehicles run without the additive I've seen them get so bad they will drag a tire in a turn and the clutches still weren't hurt. I assume the V dosen't exhibit this behaviour as the tires are so big and sticky the clutches catch it instead of the tires dragging. The additive doesn't hurt a thing if put in a diff that dosen't need it. It only hurts if it's needed and not there. It's cheap and very easy to add. I would just add it myself instead of having an argument with the dealer.
Any of you guy's that are getting new gearsets in their diff, remember the diff is the reason a new car should be driven at slow speeds and short trips the first 500 miles or so. If your gearset is new then it should be broken in again. I.E. <55 mph for 500 miles or so, yes it's painful, but necessary.
On edit: worn clutches usually won't exhibit any symptoms at all except one black mark on burnouts and a shudder type feeling in the car in slow speed, sharp turns. It would be the dragging/shudder feeling in parking lot speeds I would look for to show worn/sticking clutches