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 DIAGNOSISPOWER AND GROUND DISTRIBUTIONFUSE BLOCKSERVICE AND REPAIRE-BOX IN ENGINE COMPARTMENT
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
E-Box In Engine Compartment
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION E-Box In Engine Compartment
The Engine Control Module (ECM) and the automatic Transmission Control Module (TCM) are located in the E-box in the engine compartment.
Removing
- Remove mounting screws of plenum chamber cover in engine compartment and remove cover.
- Remove cover of E-box.
1 - Engine Control Module (ECM)
2 - Transmission Control Module (TOM)
Installing
- Install in reverse order of removal.
Disconnecting harness connectors in the engine compartment E-box
- To disconnect the two harness connectors -1-, use special tool 1922 to pull off the connectors in the E-box.
RENDER: 1.0x
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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.