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 BLOCK ASSEMBLYPISTON RING, ENGINE
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
Piston Ring, Engine
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Piston Ring, Engine
DIMENSIONS
End Gap:
Ring 1:
End Gap 0.35 - 0.50 mm (0.014 - 0.020 inch)
Wear Limit 1.0 mm (0.039 1nch)
Ring 2:
End Gap 0.50 - 0.70 mm (0.020 - 0.028 inch)
Wear Limit 1.4 mm (0.055 1nch)
Ring 3:
End Gap 0.25 - 0.50 mm (0.010 - 0.020 inch)
Wear Limit 0.8 mm (0.032 1nch)
Side Clearance:
New 0.02-0.08 mm (0.001-0.003 inch)
Wear limit 0.10 mm (0.004 inch)
End Gap:
Ring 1:
End Gap 0.35 - 0.50 mm (0.014 - 0.020 inch)
Wear Limit 1.0 mm (0.039 1nch)
Ring 2:
End Gap 0.50 - 0.70 mm (0.020 - 0.028 inch)
Wear Limit 1.4 mm (0.055 1nch)
Ring 3:
End Gap 0.25 - 0.50 mm (0.010 - 0.020 inch)
Wear Limit 0.8 mm (0.032 1nch)
Side Clearance:
New 0.02-0.08 mm (0.001-0.003 inch)
Wear limit 0.10 mm (0.004 inch)
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.