GM Service Manual Online
For 1990-2009 cars only

Coolant Capacities

Application

Specification

Metric

English

4.3L (L35)

13.1 liters

13.8 quarts

5.7L (L31)

14.6 liters

15.5 quarts

7.4L (L21/L29)

21.2 liters

22.5 quarts

6.5L (L57)

23.5 liters

25 quarts

6.5L (L65)

23.4 liters

24.7 quarts