Originally Posted by chris_c
Originally Posted by ajmorell
The only instance it does work is if it were very cold and you let the truck idle until it reached operating temperature, assuming your transmission pumped fluid in park, which many don't

Only ones that don't pump fluid in park are the dodges and some jeeps.

Thanks. Most of my experience has been with jeeps. I knew they didn't and knew Chevy transmissions transmissions did.... Wasn't sure where the rest fell