• Tiny
  • dancingwildflower
  • 1993 GMC Truck
  • V8
  • 4WD
  • automatic

1993 4x4 Chevy Truck K1500, 5.7 L V8 Engine, 4L60E Transmission: Had sudden major transmission fluid leak.

Dropped trans and changed seals etc. And reinstalled trans.

Seemed okay until engine warmed up after short drive - then began leaking (pouring) trans fluid again.
Trans functioned fine till fluid got low (from pouring out) then began slipping some.
Leak is from back of trans and becomes much greater in reverse.
Was told this could be bearing in torque converter pushing seal out.
Does this sound right?
Any other ideas as to what it could be or how to diagnose problem?
Very little money to spend and need truck going to get work.
Much thanks for any ideas offered.

Do you
have the same problem?
Tuesday, January 25th, 2011 AT 10:21 PM

1 Reply

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

IF the fluid is leaking from the front of the trans, chances are the front pump seak is leaking. That is where the torque converter slids through. The only way to be sure is to remove the trans. However, there really isn't anything other in there that would leak that bad.

Was this
Monday, February 7th, 2011 AT 5:43 PM

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