Expected Temperatures Vehicle Description Above +15° +40° to -15°F +40° to -65°F (above -9°C) (+4° to -26°C) (+4° to -54°C) All Cooling system 1/4 ethylene 2/5 ethylene 3/5 ethylene glycol, glycol, glycol, 3/4 water 3/5 water 2/5 water All Engine OE/HDO 30 OE/HDO 10 OEA All Fuel tank DF1, DF2 DF1 DF1, DFA* All Temp. Alternate JP-8 All Differentials GO 80/90 GO 80/90 GO 75 All Geared hubs GO 80/90 GO 80/90 GO 75 Transmission Dexron^® II or Dexron^®II or Dexron^® II or (3L80) Dexron^® III Dexron^® III Dexron^® III Transmission Dexron^® III Dexron^® III Dexron^® III (4L80-E) All Transfer case Dexron^® II or Dexron^® II or Dexron^® II or Dexron^® III Dexron^® III Dexron^® III All Steering system Dexron^® II or Dexron^® II or Dexron^® II or Dexron^® III Dexron^® III Dexron^® III All Brake system Brake Fluid Brake Fluid Brake Fluid Silicone (BFS)   Silicone (BFS) Silicone (BFS) All Windshield 1/3 cleaning 1/2 cleaning 2/3 cleaning washer compound, compound, compound, reservoir 2/3 water 1/2 water 1/3 water TM 9-2320-280-10 1-24 Change 1 Table 1-3.  General Service Data * Use below -20°F (-29°C) All