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.
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HOMESERVICE MANUALSAUDI199590 QUATTRO SPORT V6-2.8L (AAH)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYVALVE, INTAKE/EXHAUST
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
Valve, Intake/Exhaust
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Valve, Intake/Exhaust
DIMENSIONS
Intake Valve
45°
a - max 3.5 mm (0.138 in.)
b - min. 0.5 mm (0.020 in.)
Exhaust Valves
NOTE
- Valves must not be refaced by cutting or grinding.
- Only lapping is permitted.
Intake Valve
45°
a - max 3.5 mm (0.138 in.)
b - min. 0.5 mm (0.020 in.)
Exhaust Valves
NOTE
- Valves must not be refaced by cutting or grinding.
- Only lapping is permitted.
RENDER: 1.0x
NO RELATED
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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.