GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Coolant

  • Antifreeze to Coolant Mixture (percent)

50/50

  • Antifreeze (Pure) Point of Freeze

-20°C

-8°F

  • Antifreeze (50/50 Mixture) Boiling Point

128°C

262°C

  • Protection Rating

-37°C

-34°F

  • Type

GM-Goodwrench DEX-COOL®

Cooling Fans

  • Blade Diameter

312 mm

12.3 in

  • Motor Type

2-Speed

  • Number of Blades

5

Cooling System Coolant Capacity

  • Automatic Transmission

11.6 liters

12.3 quarts

  • Manual Transmission

11.9 liters

12.6 quarts

Radiator

  • Core Material

Aluminum

  • Fill Cap Pressure Rating

103 kPa

15 psi

  • Fill Cap Pressure Test Rating (Max)

138 kPa

20 psi

  • Type

Aluminum/Plastic Slant Back

Thermostat Test (33% Glycol Solution)

  • Closed (Degrees Below Specification on Valve)

6°C

10°F

  • Open (Degrees Above Specification on Valve)

11°C

22°F