Crankcase

TYPE SG (Gear Oil, API Service SG)
CAPACITY, Refill:
Allante 4.1L & 4.5L 5.7 Liters 6.0 Quarts
FWD 4.1L, 4.5L & 4.9L 4.7 Liters 5.0 Quarts
Others 3.8 Liters 4.0 Quarts
Capacity shown is without filter. When replacing, filter, additional oil may be needed
Above 40°F (4°C) 30
Above 20°F (-7°C) 1984-86 20W-20
Above 10°F (-12°C) 1984-86 15W-40
Above 0°F (-18°C) 10W-30‡
Below 100°F (38°C) Cimarron and
1988-89 5.0 liter 5W-30*
Below 60°F (16°C) ex. Cimarron and
1988-89 5.0L 5W-30*
*Preferred in Cimarron and 1989 5.0 liter
‡Preferred ex. Cimarron & 1989 5.0L