2015 Buick Verano BaseFACTORY OEM SERVICE PROCEDURE

Approximate Fluid Capacities

Application Specification
Metric US English
Automatic Transmission - 6T40/45/50
  • Valve Body Cover Removal - Approximate Capacity
 5.0-7.0 liters 5.3-7.4 quarts
  • Fluid Change - Drain Plug - Approximate Capacity
 4.0-6.0 liters 4.2- 6.3 quarts
  • Overhaul - Approximate Capacity
 8.0-8.5 liters 8.5-9.0 quarts
Engine Cooling System
  • 2.0L (LHU), 2.4L (LEA)
 7.6 liters 8.03 quarts
Engine Oil with Filter
  • 2.0L (LHU)
 6 liters 6.3 quarts
  • 2.4L (LEA)
 4.7 liters 5.0 quarts
Fuel Tank
  • 2.0L (LHU), 2.4L (LEA)
 59 liters 62.4 quarts
HVAC
  • Total System Refrigerant R134-a
 0.650 kg 1.43 lb
  • Total System PAG Oil
 125 ml 4.23 oz
  • Compressor Oil
 40 ml 1.4 oz
  • Condenser
 30 ml 1.0 oz
  • Evaporator
 30 ml 1.0 oz
  • Desiccant Cartridge
 15 ml 0.5 oz
  • Fluorescent dye
 7 g 0.015 lb
  • Abrupt Refrigerant Loss
 60 ml1 2.0 oz1
Manual Transmission - F40
  • Transmission Fluid Capacity Dry Transmission
 1.8 liters 1.9 quarts
  • Transmission Fluid Capacity Refill
 1.7 liters 1.8 quarts
Wipers and Washers
  • Windshield Washer Solvent Container without Headlamp Washer
 2700 ml 91.30 oz
  • Windshield Washer Solvent Container with Headlamp Washer
 4500 ml 152.16 oz
1 Abrupt refrigerant loss due to large leak, hose rupture, collision, or pressure relief valve opening. Conditions that allow the refrigerant to seep or bleed off over time do not cause this oil loss. Upon replacement of a component that caused a large refrigerant loss, also add the required amount of oil for the particular component.
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:

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