Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1990 AudiFACTORY OEM SERVICE PROCEDURE
Audi: 1990
Select a section or procedure below to view factory instructions:
100 Quattro Sedan L5-2309cc 2.3L SOHC (NF)100 Sedan L5-2309cc 2.3L SOHC (NF)100 Wagon L5-2309cc 2.3L SOHC (NF)200 Quattro Sedan L5-2226cc 2.22L SOHC Turbo (MC)200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC)200 Sedan L5-2226cc 2.22L SOHC Turbo (MC)80 L4-1984cc 2.0L SOHC (3A)80 Quattro L5-2309cc 2.3L SOHC (NG)90 L5-2309cc 2.3L SOHC (NG)90 Quattro (Canada) L5-2309cc 2.3L SOHC (NG)90 Quattro 20V L5-2309cc 2.3L DOHC (7A)Coupe Quattro 20V L5-2309cc 2.3L DOHC (7A)V8 Quattro V8-3562cc 3.6L DOHC (PT)Base, AutomaticBase, AutomaticBase, 2.0 A, AutomaticBase, 2.3 C, AutomaticCoupe QuattroV8 Quattro
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.