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8 speed trans

Don D

Active member
Joined
Oct 30, 2020
Messages
28
Location
Gridley IL
Corvette
2019 super sport
Has anyone had an issue with the shutter of the 8 speed automatic transmission? What I can find out is that a trans flush and Mobil 1 fluid change is the solution?? Is that only a temporary fix and is there a permanent fix? Having the fluid swap This week.
 

Toms007

Moderator
Joined
Sep 24, 2004
Messages
6,479
Location
Southwest Kansas
Corvette
2007 Atomic Orange Coupe
What I've read is, that the flush/reload with Mobil 1 fixes the problem. But wonder if that is something that must occur on a regular basis. ;shrug;shrug
 

John 2003 Vette

Active member
Joined
Nov 11, 2009
Messages
39
Location
Venice, FL., USA
Corvette
2016 Arctic White Stingray Coupe
Has anyone had an issue with the shutter of the 8 speed automatic transmission? What I can find out is that a trans flush and Mobil 1 fluid change is the solution?? Is that only a temporary fix and is there a permanent fix? Having the fluid swap This week.
I had the Transmission Flush done on my 2016 Base C7 at 8,227 Miles took care of the shutter. Had my Corvette ins for Brake Fluid & Coolant Flush last week at 36,226 and asked if the Transmission needed a flush & service. Was told that there is an upgraded Mobil 1 transmission fluid and that it would COST $700.00 to do it. WOW is all I can say. Any one experienced this?
 

Toms007

Moderator
Joined
Sep 24, 2004
Messages
6,479
Location
Southwest Kansas
Corvette
2007 Atomic Orange Coupe
$700 for a trans flush????? Sounds like a SCREW JOB to me........
 

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