A8 Sedan V8-3.7L (AEW) (1997)
Oil Filter: Service and Repair
Oil filter and oil cooler, servicing
Note: Always replace gaskets and seals.
1. 20 Nm (15 ft. lbs.)
2. Coolant line (drain)
3. 10 Nm (89 inch lbs.)
4. 25 Nm (18 ft. lbs.)
5. 50 Nm (37 ft. lbs.)
6. Oil seal
7. Oil filter cap
8. Oil filter element
9. 10 Nm (89 inch lbs.)
10. Valve plate
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Includes pressure relief valve for oil filter and oil cooler
11. Oil seal
12. 50 Nm (37 ft. lbs.)
13. Oil seal
14. Housing
15. Oil pressure switch
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1.8 bar (26 psi)
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White insulation
16. Oil pressure switch
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0.3 bar (4.35 psi)
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Brown insulation
17. 25 Nm (18 ft. lbs.)
18. Oil seal
19. Oil cooler
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Immersed in coolant
20. Oil seal