Quote:
Originally Posted by 3dplane
What Sven7 meant is engine off coasting with an automatic transmission is usually not a good practice. The pump in the transmission is not turning with the engine off so bushings,bearings,hydraulics are not getting the line pressure that they are designed for while output shaft and whatever is coupled to it is turning while you are coasting. So tranny is not happy. With an auto trans it's better to leave the engine on (idle) while neutral coasting.Still getting very good MPG as long as the coasting speed is reasonable. (say not slower than 25 MPH just as a guide)
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Thanks for telling me before I kill my trans but that would have been a good excuse to get a manual! lol