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10 Tahoe 6L80 with Cylinder Deactivation #4552626
10/24/17 06:53 AM
10/24/17 06:53 AM
Joined: Apr 2017
Posts: 402
Mississippi
Speak2Mountain Offline OP
Speak2Mountain  Offline OP
Joined: Apr 2017
Posts: 402
Mississippi
99.5K miles on clock, ATF never been changed.

What to do?
Drop pan and change filter and everything

Pump and replace?

No towing or off roading w/this ride.
Thx

Last edited by Speak2Mountain; 10/24/17 07:03 AM.
Re: 10 Tahoe 6L80 with Cylinder Deactivation [Re: Speak2Mountain] #4552643
10/24/17 07:18 AM
10/24/17 07:18 AM
Joined: Nov 2005
Posts: 3,229
FL
mcrn Offline
mcrn  Offline
Joined: Nov 2005
Posts: 3,229
FL
I would drop pan.....replace filter.....then do drain and fills every oil change x 4.


2012 Nissan Rogue
Re: 10 Tahoe 6L80 with Cylinder Deactivation [Re: Speak2Mountain] #4552663
10/24/17 07:30 AM
10/24/17 07:30 AM
Joined: Dec 2002
Posts: 42,085
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,085
New Jersey
Id pull what I could via dipstick, replace. Do this again maybe 500 miles later. Then do a pan drop with filter change.

The logic is to get some fresh adds in there to loosen and disperse anything that may be ready to come off, and ensure that when you do the pan drop, since there was fluid in the TC, the remaining fluid will be a bit newer.

Then the fresh fluid goes in.

Re: 10 Tahoe 6L80 with Cylinder Deactivation [Re: JHZR2] #4552715
10/24/17 08:17 AM
10/24/17 08:17 AM
Joined: Apr 2017
Posts: 402
Mississippi
Speak2Mountain Offline OP
Speak2Mountain  Offline OP
Joined: Apr 2017
Posts: 402
Mississippi
Thx guys, this is VERY interesting.

Re: 10 Tahoe 6L80 with Cylinder Deactivation [Re: Speak2Mountain] #4552815
10/24/17 09:37 AM
10/24/17 09:37 AM
Joined: Jul 2014
Posts: 119
North TEXAS
oldoak2000 Offline
oldoak2000  Offline
Joined: Jul 2014
Posts: 119
North TEXAS
Originally Posted By: Speak2Mountain
99.5K miles on clock, ATF never been changed.

What to do?
Drop pan and change filter and everything

Pump and replace?

No towing or off roading w/this ride.
Thx


IF it's a 2010 factory fill was a full-syn fluid; 99.5k is nothing.
Drain/drop pan; new filter, and re-fill with a quality full-syn Tfluid (MAXLIFE). Do again every 100k.


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