Quick Lookups: Fluids

1990 Pontiac Grand Prix STE, 3.1 VSECTION Fluids
FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Air Cond Refrigerant 2.25 LBS. 1.02 KG R-12 S
Brake Fluid N/A N/A DOT 3 Brake Fluid S
Engine Oil 3.1L Eng 4.00 QTS. 3.78 L API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) S
Power Steering Fluid 2.00 PTS. 0.94 L GM Hydraulic Power Steering Fluid S
Windshield Washer Fluid N/A N/A Optikleen Windshield Washer Fluid Follow the Manufacturer's Instructions for the mixture ratio. S
RENDER: 1.0x

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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.