GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
Yukon - 4WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L80-E
🢒 No Torque in Second Gear
Checks
Cause
Intermediate Sprag (624)
•
Worn
•
Excessive eccentricity
•
The sprag is rolled over or the sprag is damaged.