eror codes I have lots of error codes
You want to tell us what the error codes are?
I’m leaking tranny fluid like crazy. I changed the gasket
@Cindi_Smith Details are necessary to get helpful answers . Just saying lots of codes is not enough and I guess the gasket did not stop the leaking.
before or after it started leaking?
On the side of the transmission is a component called the vacuum modulator.
https://www.rockauto.com/en/moreinfo.php?pk=10317304&cc=1106075&jsn=540
Remove the vacuum hose from the modulator, and if transmission fluid leaks out, the modulator diaphragm has ruptured, and transmission fluid is being sucked into the engine.
Tester
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What kind of transmission do you have? C4? C6?