8-Speed Automatic Transmission | Chevy Silverado and GMC Sierra Forum

Sticky New 8-Speed Automatic Transmission Section

0

781

8 speed trans w/ lift kit and bigger tires

12

550

by Leveled17yeti

New GM TSB for Thermal Bypass Valve

2

25

12K

2018 Silverado 6.2L 8L90 8spd trans questions

1

288

Possible transmission issue with larger tires?

–

–

N/A

Slow speed hard shifting

Bak
5 mo ago

5

617

by espanajetmech

Driveline vibration

0

200

by ‘17GraphiteSilverado

8 SPD issues and the valve body

11

3K

by Sam L.

hard shifting at part throttle

2

357

8 speed transmission fix

1

807

by NealC

Trifecta Tune? 2017 Sierra 6.2L 8sp Trans

2

26

5K

8L90E replacement ro rebuild

6

840

by Bradley21sanders

Bad Torque Converter

5

999

2

732