Tshark299
Well-Known Member
- Joined
- October 29, 2004
- Messages
- 118
- Reaction score
- 0
- City, State
- Upstate NY
- Year, Model & Trim Level
- '93 XLT
A strange problem I've never encountered: My M5OD 5-speed leaks like crazy after being on the highway for longer than 30 minutes or so. I can drive for weeks around down and it stays relatively dry, but after cruising at about 70mph for a while the whole underside is coated with fluid from the transmission back. The entire tailgate gets coated with ATF too.
A couple years ago the shift rail plugs started leaking so I RTV'd them back in place and it stayed dry for a about a year. Then it started leaking a little from the top again - this time seemingly from the seal around the shifter. So I dabbed some RTV around that which helped for a few months but it's leaking again... and steadily getting worse as time goes on. The leak started as a quarter-sized spot after a long drive but now the pavement is starting to look like a crime scene under there.
One time I pulled off the highway after a 2 hour drive and noticed the transmission seemed very hot. The dripping fluid was steaming off the transmission. I only noticed that once though. Not sure how hot manual transmissions normally get after cruising in 5th on the highway for a couple hours (i could have easily burned my hand on it that time) so not sure if that observation correlates or not.
Any ideas as to why my transmission seems to build pressure, get hot, and spray fluid out of the top any way it can during longer drives??
A couple years ago the shift rail plugs started leaking so I RTV'd them back in place and it stayed dry for a about a year. Then it started leaking a little from the top again - this time seemingly from the seal around the shifter. So I dabbed some RTV around that which helped for a few months but it's leaking again... and steadily getting worse as time goes on. The leak started as a quarter-sized spot after a long drive but now the pavement is starting to look like a crime scene under there.
One time I pulled off the highway after a 2 hour drive and noticed the transmission seemed very hot. The dripping fluid was steaming off the transmission. I only noticed that once though. Not sure how hot manual transmissions normally get after cruising in 5th on the highway for a couple hours (i could have easily burned my hand on it that time) so not sure if that observation correlates or not.
Any ideas as to why my transmission seems to build pressure, get hot, and spray fluid out of the top any way it can during longer drives??