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I have all of those symptoms minus slipping and overheating and my dealer won’t do squat. They won’t even fix other parts of the car such as my trim coming off and temperature control **** seizing up. Is there anyone I can contact in Canada to express my frustration? Don’t dealers get paid by GM to perform warranty work?
Drive in M manual and use paddles, this prevents car from going into v4.
And if you don't want to drive in M all of the time use a Range module which plugs into the OBD-II port and prevents it from going into V4 mode.
Long-term I would keep the car out of V4 mode either using manual mode or the Range module. If you want to operate a C7 in 4 cylinder mode buy a manual transmission since they don't try to destroy the manual clutch in an attempt to make AFM more palatable.
Dropped my ‘16 Z51, 8300 miles off today for the flush. Had the shuddering at cruising speeds, hard hits when accelerating from cruising at 35 & giving it some gas. Noticed the issue two weeks ago, drove another 50 miles to be sure. Tech here wasn’t too optimistic about the flush working, seeing as they’ve got two others currently in for new torque converters.
Triple flush also fixed mine except for the RPM fluctuations at steady throttle. Put in a Range AFM disabler and now it's good. The way it should have been from the git-go.
St. Jude Vendor Donor '03-'04-'05-'06-'07-'08-'09-'10-'11
Guys,
Just so you know we have a new oil pan for the A8 transmission that holds almost a full gallon more transmission fluid. That helps in cooling and trans fluid life and eliminates some of the problems that this thread is pointing out.
Does NOT compromise ground clearance but uses all available space to increase capacity.
Give us a call
Available from LG Motorsports and all of our dealers.
Thanks
Lou Gigliotti
^ Thought about it. I'm sure GM would love to see one installed while I was having problems with my A8. They would be very happy to use that as an excuse to terminate the factory warranty, justified or not.
Mine is in the shop now getting a new TC. I was worried that they would say failure to replicate so i videoed the dash with the oil pressure surging and the tack rising and falling with no change in MPH, also included video of what gear it was in so they couldn't say that it was changing gears. All this on flat surface (thats all we have in FL). Dealer is changing TC with no argument and I think the video helped me.
02-06-2018, 10:16 PM
