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Transmission is leakins out driverside axel seal & transmission shifts violently going from 3rd to overdrive

Tiny
CTERRY
  • MEMBER
  • 1996 SATURN SL2
  • 96,500 MILES
I replaced trany with used transmission(all 4 seals replaced)refilled with 7.5 qts of D4 tranny fluid. On test drive went through 1, 2, 3 gears smooth shifting from 3rd to overdrive the tranny shifts violently.
Saturday, March 10th, 2012 AT 9:34 PM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Rechecked seals and have the transmission further checked out-
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Saturday, March 10th, 2012 AT 9:36 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Just to add to this one what year and model did you get the transmission from?So it shifts hard from 3Rd to 4th gear?Any codes in the computer?
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Sunday, March 11th, 2012 AT 7:23 AM
Tiny
CTERRY
  • MEMBER
  • 5 POSTS
Thwe tranny is from a 1997 sl2 & I haven't had a chance 2 put a code scanner on it yet but I will monday
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Sunday, March 11th, 2012 AT 2:11 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
How does it shift into reverse?
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Sunday, March 11th, 2012 AT 4:31 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
How does it shift into the other gears?Also you said you installed four new seals the transmission. What you use to install them?Also you replaced both axle seals the torque convertor seal in the torque convertor housing and the oring on the torque convertor?What was wrong with the transmission you replaced and do you still have it?
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Sunday, March 11th, 2012 AT 4:42 PM
Tiny
CTERRY
  • MEMBER
  • 5 POSTS
Saturntech9 I ajusted the Ill call it the "electronic shft modulator"so now it shifts through all 4 speeds 95% smoother going into reverse theres still a little jump so is more ajustments needed?Also when I 1st put the tranny in when it jumped going into 4th do u think that could have messes up thedriverside axel seal cause theres a small leak comming out of that seal? & THANKS 4 ALL UR HELP wish I would have known about this web site sooner.
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Sunday, March 11th, 2012 AT 11:23 PM
Tiny
CTERRY
  • MEMBER
  • 5 POSTS
Sat. Tec9 this was my aunts car before and my peps took it to a "church friend mechanic" he said he put new seals in tha OG tranny but it still leaked so we went & got a used 1 but yes I still have the OG tranny
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Sunday, March 11th, 2012 AT 11:27 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
You replaced the transmission because of a seal leak?I have rarely seen that before usually the only reason a seal would continue to leak after being replaced is it was installed incorrectly. Or the axle damaged the new seal on the way in. Electronic shift modulator?Do you mean the selector/neutral safety switch you adjusted?If so how did you adjust it?So you have longer then a 2 second delay into reverse and or it bangs/slams into reverse?
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Monday, March 12th, 2012 AT 12:02 AM

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