Transmission not shifting after fluid change

Dmoo

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Join Date: Jan 2019

Posts: 1
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#1

Transmission not shifting after fluid change

01-15-2019, 04:16 PM

2008 GMC 2500HD I changed the spin on as well as the internal filter after dropping the pan. Added 7 quarts to hit the cold line on the dip stick. My truck will work in reverse and drive but will only stay in 1st gear after driving 2-3 miles I parked it. Any ideas why this happened?
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DmaxStoreJimmy

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Join Date: Dec 2024

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#2

01-15-2019, 06:32 PM

Originally posted by Dmoo

2008 GMC 2500HD I changed the spin on as well as the internal filter after dropping the pan. Added 7 quarts to hit the cold line on the dip stick. My truck will work in reverse and drive but will only stay in 1st gear after driving 2-3 miles I parked it. Any ideas why this happened?

Double check the fluid level, as it should have taken more. After that pull the pan, sound like the internal filter is not installed correctly.

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#2.1

Dmoo commented

01-15-2019, 10:07 PM

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Will do thank you for the info.

#2.2

Dmoo commented

01-16-2019, 04:03 PM

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3/4 of a quart made it perfect thanks.

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