Transmission leak where driveshaft enters trans, major gusher
Today the trans began to leak profusely, no trouble shifting, no prior leaks, appeared to be flowing, not dripping onto catalytic converter, smoking badly, it is coming from the area where the driveshaft enters the trans.
The car was parked, no driving at all, so that is ok, did not leak when off, start up and it gushes out, it is very cold right now, is there a breather that may be clogged, causing pressure to build and force out the fluid?
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Service the transmission and check the tension spring on the valve body to insure its not broken. Also on the side of the transmission there is a dash pod that is vacuum driven. Insure it works and the vacuum is hooked up. There is a shift cable that runs to the from the trans to the engine to kick down the shift on hard acceleration , this also sets your shift points. The dash pod is also adjustable with a small flat blade screw driver thru the vacuum inlet. If the RPM reeves up and then shifts, it is slipping and in need of rebuild.
let it all leak out,then it will quit leaking. no check the trans lines, they may need replaced,or the seal is bad, when running pressure builds and helps to seal,nothing is easy,but get it checked before things get worse.
need to identify where leak is coming from wipe clean bottom of transmission and check trans lines ,dipstick tube, rear seal ,pan for leak or drip start van and let run drive around block than park and recheck trans for leak if leak by where engine and trans meet than front seal anywhere else fix and or replace front seal two choices first can try a trans leak additive follow instructions carefully or need to pull trans to replace seal
Sorry!,..More than likely the front seal of the transmission has actually cut a groove into the torque convertor neck.I have seen these hundreds of times, when the van is hot the seal wont hold the fluid pressure behind it and trans fluid will leak past...also the lines/hoses are on the side of this transmission..the vent is located on top of this trans near the main connector,.not in the front(Ax4n).,, seriously go to an accredited trans shop only for this repairATRA......again sorry for the bad new..Bob Stinson
I have a 1999 Ram B 1500 Van, auto transmission, 5.9 L engine.
Same problem, trans hesitates in 2-3 upshift, sometimes 1-2
to 2-3 upshift. Posts trouble code P1756 - Transmission Govenor pressure too low at below 15 to 20 Psi. Transmission pump shot or valve body leak stops trans from reaching proper pressure to shift, which is minimum 15 Psi.
Either trans is leaking in valve body, valve is stuck, shift solenoid on valve body is sticking, or pump is shot.