GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1997
🢒
GMC C Pickup - 2WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L80-E
🢒 Case Extension Fluid Leak
Case Extension Fluid Leak
Checks
Cause
Case Extension (19)
Porosity or cracked
Case (7)
Porosity or cracked
Seal (15)
•
Cut or nicked
•
Missing
Bolt (21)
•
Low torque
•
Missing