LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 1990 >> Coupe Quattro >> Repair and Diagnosis >> Quick Lookups >> Fluids
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Quick Lookups: Fluids

FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Brake Fluid N/A N/A DOT 4 Brake Fluid Fill between "max" and "min" lines on reservoir. S
Differential Gear Oil 1.80 QTS. 1.7 L API - GL-5, SAE 90W Hypoid Gear Oil (MiL-L-2105 B) S
Engine Coolant 8.60 QTS. 8.13 L 50/50 mixture of Ethylene Glycol Antifreeze and water Use Phosphate-free Antifreeze. S
Engine Oil w/Filter 5.00 QTS. 4.73 L API - SAE 5W-20/30 (Below -15Deg.F to 20Deg.F), 10W-30/40 (-5Deg.F to 65Deg.F), 15W-40/50 (10Deg.F to 85Deg.F), 20W-40/50 (15Deg.F to 85Deg.F) S
Engine Oil w/o Filter 4.50 QTS. 4.25 L API - SAE 5W-20/30 (Below -15Deg.F to 20Deg.F), 10W-30/40 (-5Deg.F to 65Deg.F), 15W-40/50 (10Deg.F to 85Deg.F), 20W-40/50 (15Deg.F to 85Deg.F) S
Fuel Tank 18.50 GALS. 70.03 L Reserve tank capacity: 2.1 gals. S
Manual Transmission Fluid 2.50 QTS. 2.36 L Synthetic Transmission Fluid G 50, SAE 75W-90 (Mil-L-2105) or API - GL-4) S
Power Steering Fluid N/A N/A Audi Hydraulic Oil Part No. G 002 000 or equivalent. S
Windshield Washer Fluid 1.50 GALS. 5.67 L S