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Skipper50

TYF Newbie
Joined
Apr 16, 2016
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Location
Galveston county, Texas
SE Texas, '05 Yukon XLT 1500
Replaced rear seal and oil pan to stop leakage. Tranny was dropped for this.
Following reassembly the transmission will not shift.
Found and replaced failed brakelight switch.
Still not shift.
Fluid levels are good.
Can't find anything impeding shifting.
I'm thinking the TCM lost it's mind.
Suggestions?
 

Miami-Dade

Staff member
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Supporting Member
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Welcome from Miami&Queens NY!
@Skipper50 Check out the 2005 section. You will get excellent help there.
 

swathdiver

Full Access Member
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May 18, 2017
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Location
Treasure Coast, Florida
Replaced rear seal and oil pan to stop leakage. Tranny was dropped for this.
Following reassembly the transmission will not shift.
Found and replaced failed brakelight switch.
Still not shift.
Fluid levels are good.
Can't find anything impeding shifting.
I'm thinking the TCM lost it's mind.
Suggestions?
If the torque converter moved and is not clicked in all the way then it has to come out. Let's ask Nick: @NickTransmissions
 

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