Engine Oil

1982 Buick LeSabre Estate Wagon V8-307 5.0LSECTION Engine Oil

Diesel engine SG/CD(Motor Oil, API Service SG/CD)
Gasoline engine SG
CAPACITY, Refill:
Diesel, including filter
6-cyl. 5.6 Liters 6.0 Quarts
8-cyl. 6.6 Liters 7.0 Quarts
Gasoline
4-cyl. 1.81 Fl, 2.5L 2.8 Liters 3.0 Quarts
Others 3.8 Liters 4.0 Quarts
Gasoline capacity shown is without filter. When replacing filter, additional oil may be needed
Diesel Engine:
Above 32°F (0°C) 30*
0° to 60°F (-18° to 16°C) 15W-40
Below 60°F (16°C) 10W-30
Gasoline Engine:
Above 40°F (4°C) 30
Above 20°F (-7°C) 20W-20, 10W-30, 20W-40, 20W-50
Above 10°F (-12°C) 15W-40
0° to 60°F (-18° to 16°C) 10W, 5W-30‡, 10W-30***
Below 20°F (-7°C) 5W-20**, 5W-30
‡5W-30 can be used up to 100°F (38°C) in 4-cyl. & 2.8L V-6 engines
*30 is preferred above 32° F (0°C), especially for continuous duty driving
**Not recommended for sustained high speeds
***10W-30 preferred above 0°F (-18°C



RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.