GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2007
🢒
Sierra - 2WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L60-E/4L65-E/4L70-E
🢒 No Second Gear, No Fourth Gear, and No Reverse Gear
No Second Gear, No Fourth Gear and No Reverse Gear
Checks
Causes
Reaction Sun Shell (670)
Broken spline on reaction sun shell/replace shell.