1982 Pontiac Grand Prix V6-252 4.1LFACTORY OEM SERVICE PROCEDURE

Crankcase


Diesel engine SG/CD(Motor Oil, API Service SG/CD)
Gasoline engine SF(Motor Oil, API Service SF)
CAPACITY, Refill:
Diesel, including filter
4-cyl. 5.2 Liters 5.5 Quarts
6-cyl. 5.6 Liters 6.0 Quarts
8-cyl. 6.6 Liters 7.0 Quarts
Gasoline
4-cyl. 1.8L FI and 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:
4-cyl.
Above 78°F (25°C) 40
32° to 90°F (0° to 30°C) .30
Below 85°.F (28°C) 10W-30
6- 8-cyl.
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, 10W-40,
20W-40, 20W-50
Above 10°F(-12°C) 15W-40
0° to 60°F (-18° to 16 °C) 10W-5W-30*,
10W-30***, 10W.-40
Below 20°F (-7°C) 5W-20‡, 5W-30
*5W-30 may 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)



Factory Service Tools

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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.