GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Pan Removal - Approximate Capacity (6L80)

5.7 liters

6.0 quarts

Overhaul - Approximate Capacity (6L80)

9.9 liters

10.5 quarts

Complete Trans System Fluid Capacity (6L80)

11.7 liters

12.4 quarts

Pan Removal - Approximate Capacity (6L90)

6.0 liters

6.3 quarts

Overhaul - Approximate Capacity (6L90)

9.9 liters

10.5 quarts

Complete Trans System Fluid Capacity (6L90)

11.7 liters

12.4 quarts