TRANSMISSION FLUID CHNGE

Tiny
112652
  • MEMBER
  • 1999 CADILLAC ELDORADO
  • V8
  • FWD
  • AUTOMATIC
  • 130,000 MILES
Is there any way to completely drain the transmission fluid including the torque converter?
thank you RON
Monday, May 16th, 2011 AT 11:10 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
No, you have to use a flush machine to do that.
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Tuesday, May 17th, 2011 AT 12:28 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
If you pull the pan and remove the screens, there is a 7/16" pipe plug that can be removed to drain the side and a portion of the torque converter. It is under the front portion of the screen that is shaped like a dog-leg(pan-handle). You will accomplish about 7.5 to 9 quarts of fluid removed, out of the 12 quart dry(total) capacity. That is about the best you will do as far as a drain and refill.
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Tuesday, May 17th, 2011 AT 2:03 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Draining the lower pan and the side cover still leaves the torque converter full which cannot be drained. I will be very surprised if you get more than 6 or 7 quarts out that way and the entire capacity is 15 quarts, not 12. This still leave a flush machine as the only method to perform a complete fluid change.
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Tuesday, May 17th, 2011 AT 2:15 AM

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