GM Service Manual Online
For 1990-2009 cars only

Condition

Liters

Quarts

(approximate)

Fill After Rebuild

12.0

12.7

Fill After Fluid and Filter Change

7.0

7.4

Fluid Quantities

Transmission

Initial Fill

Refill

Liters

Quarts

Liters

Quarts

Allison 1000

12

12.7

7

7.4