2002 GMC Envoy drain transmission

Tiny
SARGE9999
  • MEMBER
  • 2002 GMC ENVOY
  • 4.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 93,000 MILES
I removed 5 qts from tran fluid about 20000 miles ago, now I think it needs better, I want to remove 12 qts but don't know where and what line to remove to get the job done. Please tell me where and what line to remove so I can get better than 5 qts out. Thank you Jim
Monday, May 4th, 2015 AT 6:00 AM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
You just remove the transmission pan and change transmission filter is that what you did last time?Thats all I would do to change the transmission fluid on it. Thats all thats ment to be done to change the fluid on it.
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Monday, May 4th, 2015 AT 6:29 AM
Tiny
SARGE9999
  • MEMBER
  • 3 POSTS
I TOLD YOU I ALREADY DID THE 5 QRTS
NOW I want to remove more?
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Monday, May 4th, 2015 AT 6:42 AM
Tiny
SARGE9999
  • MEMBER
  • 3 POSTS
I WANT TO REMOVE 10+ QUARTS OF FLUID, HOW, WHAT LINE WHERE?
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Monday, May 4th, 2015 AT 6:44 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
I know you told me you drained 5qts there is no safe practical way of doing it at your house. The transmission cooler lines are the only lines on that carry fluid.I would never drain fluid from those lines thats a lot of pressure and it would have to be running and you could run your transmission lpw or out of fluid and cause damage to it.
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Monday, May 4th, 2015 AT 12:37 PM

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