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 DIAGNOSISENGINE, COOLING AND EXHAUSTENGINEENGINE LUBRICATIONSERVICE AND REPAIRENGINE CODE AAH FROM 12.94, ENGINE CODE AFC
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
Engine Code AAH From 12.94, Engine Code AFC
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Engine Code AAH From 12.94, Engine Code AFC
Component layout, engine code AAH from 12.94, engine code AFC
CAUTION: Do NOT overfill with oil past the MAX mark on the oil dipstick. Damage to the three way catalytic converter could result.
Oil filters for earlier and later version lubrication systems are NOT interchangeable.
Note: Always replace gaskets and seals
Replacing crankshaft oil seals, refer to Cylinder Block Assembly/Crankshaft Main Bearing Seal/Service and Repair Service and Repair and Front Crankshaft Seal/Service and Repair Service and Repair
1. 10 Nm (7 ft lb)
2. 10 Nm (7 ft lb)
3. Oil pan, upper
4. Pick-up strainer
Locks into upper oil pan with three lock tabs
5. Seal
6. Oil pan, lower
7. 10 Nm (7 ft lb)
8. Drain plug
40 Nm (30 ft lb)
9. Cover
With integrated 5 bar (72 psi) and 11 bar (159 psi) pressure relief valves
10. Oil cooler
11. Oil filter
NOT interchangeable with older version
Revised lubrication system requires different filter: Part no. 078 115 561 D
CAUTION: Part numbers are for reference only. Always check with your parts department for the most up-to-date information.
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:
- 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.