It sound's like a loose input shaft nut that's the first thing I would check. You would have to drain your transmission fluid and remove the transmission end cover. The big silver clutch pack under the cover is the first gear clutch pack and also the input shaft and the nut that need's to checked for looseness. That nut would be pretty loose to cause you to have to gas it to go into reverse.I don't think the second gear piston is leaking since you don't have a transmission code's.
Wednesday, November 10th, 2010 AT 1:42 PM