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 MANUALSAUDI1998A8 SEDAN (4D2) V8-3.7L (AEW)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINEOIL COOLER, ENGINE
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
Oil Cooler, Engine
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION Oil Cooler, Engine
Legend
1 Bolt
2 Coolant Line
3 Bolt
4 Bolt
5 Bolt
6 Oil Seal
7 Oil Filter Cap
8 Oil Filter Element
9 Bolt
10 Valve Plate
11 Oil Seal
12 Bolt
13 Oil Seal
14 Housing
15 Oil Pressure Switch
16 Oil Pressure Switch
17 Bolt
18 Oil Seal
19 Oil Cooler
20 Oil Seal
21 Housing For Oil Cooler
22 Oil Seal
23 Pipe Fitting
24 Oil Seal
25 Oil Seal
Tightening Specifications
Bolt (1)
- Tighten to: 20 Nm (15 ft. lbs.).
Bolt (3)
- Tighten to: 10 Nm (7 ft. lbs.).
Bolt (4)
- Tighten to: 25 Nm (18 ft. lbs.).
Bolt (5)
- Tighten to: 50 Nm (37 ft. lbs.).
Bolt (9)
- Tighten to: 10 Nm (7 ft. lbs.).
Bolt (12)
- Tighten to: 50 Nm (37 ft. lbs.).
Bolt (17)
- Tighten to: 25 Nm (18 ft. lbs.).
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.