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Old 03-25-2018, 11:31 PM   #28 (permalink)
ksa8907
Master EcoModder
 
Join Date: May 2012
Location: Tampa, FL
Posts: 1,745

Volt, gas only - '12 Chevrolet Volt Premium
90 day: 38.02 mpg (US)

Volt, electric only - '12 Chevrolet Volt Premium
90 day: 132.26 mpg (US)

Yukon Denali Hybrid - '12 GMC Yukon Denali Hybrid
90 day: 21.48 mpg (US)
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Quote:
Originally Posted by Hic View Post
Yes, that is definitely what the manual states. As I've mentioned, "I'm curious if this does indeed harm the gearbox, and how it does so." Since you also agree that it does harm the transmission, how do you suppose it does so?
Lol, because the mtg said so? I mean, they're only engineers who happened to also design the car so, I guess they don't know what they're talking about....

Likely, the residual oil in the bearings is enough to lubricate adequately UP TO 50 km OR UP TO 50km/hr. Longer distances and higher speeds will run through that residual oil and once gone will cause excessive friction and wear/scoring/gouging on the bearings.

This is one of those times where ymmv. Good luck, not worth the effort and small money saved in my opinion.
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