What to do if your CVT transmission is whining?
You may want to change your transmission fluid if your vehicle is humming or whining. Some car brands only accept CVT transmission fluid, and the use of any shelf transmission fluid will cause whining and humming. An easy way to fix this is to get a mechanic to drain the old transmission fluid and put in new fluid.
What happens if you add ATF to a CVT transmission?
In a CVT transmission, it is impossible to drain all of the CVT fluid. If you have accidentally added ATF, your transmission would then contain a mixture of ATF and CVT fluids.
What kind of fluid is used for CVT transmissions?
CVT transmissions require CVT fluid. This fluid has friction modifiers that allow the belts to grip the pulleys. The most common situation where the wrong transmission fluid is used is in the case of using automatic transmission fluid in place of variable transmission fluid and vice versa.
What happens if you put the wrong transmission fluid in your car?
While it’s not uncommon for someone to mix up which fluids should go in their car, putting the wrong transmission fluid in your car could be your vehicles fast pass to an early grave. Types of Transmission Fluid There are several different variables to take into account when it comes to transmission fluid.
What happens if I put the wrong transmission fluid in my car?
If you put the wrong fluid into your car you might begin to see warning signs such as: Strange engine sounds such as clunking Stalling after changing gears Gears that won’t shift Rough shifting Gears that slip Clutch locking up
In a CVT transmission, it is impossible to drain all of the CVT fluid. If you have accidentally added ATF, your transmission would then contain a mixture of ATF and CVT fluids.
What happens if you use the wrong fluid in a CVT?
Using the wrong fluid in any transmission–but especially a CVT–will kill it, but if the fluid had been drained and flushed a couple of times before adding the correct fluid, it is possible that the damage could have been limited. But…after 20k miles…nothing would likely save it.
Is it possible to kill a CVT transmission?
The transmission lasted 20k maybe because some of the correct fluid remained in it, or because you got lucky, or both. But 3.5 qts of the wrong fluid will absolutely kill a CVT. Therr’s no doubt your mechanic killed it. Modern CVT’s should last just as long as regular autos. You may have gotten another 100k out of that CVT with proper maintenance.