2012 Buick Regal BaseFACTORY OEM SERVICE PROCEDURE

Approximate Fluid Capacities

The following approximate capacities are given in US English and metric conversions. See Fluid and Lubricant RecommendationsΒ  for more information. All capacities are approximate. When adding, be sure to fill to the approximate level as recommended in this manual. Recheck fluid level after filling.

Approximate Fluid Capacities

Application Specification
Metric English
Cooling System
  • 2.0L L4 Engine
7.8 liters 8.2 quarts
  • 2.4L L4 Engine
7.1 liters 7.5 quarts
Engine Oil with Filter
  • 2.0L L4 Engine
5.7 liters 6.0 quarts
  • 2.4L L4 Engine
4.7 liters 5.0 quarts
Fuel Tank
2.0L, 2.4L L4 Engine with NU5 and NT7 Emissions 73.9 liters 19.5 gallons
2.4L L4 Engine with NU6 Emissions 70.0 liters 18.5 gallons
Transmission Fluid (Drain and Refill)
  • 2.0L L4 Engine, 6-Speed Automatic (Transmission Requires No Fluid Replacement)
- -
  • 2.4L L4 Engine, 6-Speed Automatic
8.4 liters 8.9 quarts
Transfer Case 0.65 liter 0.687 quart
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.