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 SPECIFICATIONSEXHAUST PIPE/MUFFLER HANGER
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
Exhaust Pipe/Muffler Hanger
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION Exhaust Pipe/Muffler Hanger
Attachment Of Three Way Catalytic Converter:
Legend
1 Three Way Catalytic Converter (TWC), left
2 Transaxle
3 Bolt
4 Screw and Washer
5 TWC, Right
6 Bolt
7 Washer
8 Spacer
9 Tab
10 Nut
11 Compression Spring
12 Screw and Washer
13 Bolt
14 Bracket
15 Spacer Tube
16 Buffer
Tightening Specifications
Bolt (3)
- Tighten to: 25 Nm (18 ft. lbs.).
Screw and Washer (4)
- Tighten to: 25 Nm (18 ft. lbs.).
Nut (10)
- Tighten to: 25 Nm (18 ft. lbs.).
Screw and Washer (12)
- 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.