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CVT slipping

3.6K views 3 replies 3 participants last post by  Ignatz  
#1 ·
My CVT, which is not original to the 2010 car, now keeps slipping back to first or won't shift up for the first km or so. Suddenly, the emergency brake light comes on with a "Bing", which signals the transmission is suddenly working. What the heck?
 
#2 ·
I see you are new here -- Welcome! Please drop over to the newbie threads and introduce yourself.

I'm no expert, but I have had 2 CVTs replaced under warranty, and neither made the symptoms you describe.

Just a guess here, but is it possible the warning light means you've got a problem with the e-brake and not your transmission? I can imagine a scenario where the brake is dragging and making the engine rev higher to overcome the drag? That might make it feel like the tranny is slipping.

Hope you get out of this on the cheap!
 
#3 ·
CVT is a Continuously Variable Transmission. No gears, so it doesn't shift. Emergency brake light coming on shouldn't be a signal for anything about the transmission, except that the transmission is under more stress because the e-brake is on. It's also possible somebody had the transmission replaced for a problem that wasn't the CVT that was diagnosed as a CVT problem. The new technology scares alot of people into making that assumption first, then they post bad reviews about what "must" be the problem when a new transmission doesn't solve anything, especially at lower mileages. Then that scares newcomers who see only bad reviews, not new and misunderstood technology.
 
#4 ·
Yeah, so the previous owner replaces his CVT when the problem is something else (e-brake?). Then with the new CVT he gets the same symptoms and continues to blame the CVT. Dealer tells him to go pound sand, so he sells it. Then OP buys it knowing the tranny is a replacement and similarly mistakes the symptoms for the transmission, shells out a chunk of dough on another (unneeded) transmission to save his investment, and is still no better off.

RobMcC, I've got a hunch you should heed the warning lights on the dashboard, not your intuition. If it says you've got a brake problem, you probably do.