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Home >> Audi >> 2003 >> A4 Quattro, 1.8 C, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 1.8L - Turbo Engine Mechanical, Engine Code(S): AMB >> 13 - Engine - Crankshaft, Cylinder Block >> Engine, disassembling and assembling >> Engine, disassembling and assembling
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Engine, disassembling and assembling

CAUTION: Before beginning repairs on the electrical system:

Obtain the anti-theft radio security code.

Switch the ignition off.

Disconnect the battery Ground (GND) strap.

On vehicles equipped with Audi Telematics by OnStar, switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery → 91 - COMMUNICATION

After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Article and/or Owners Manual.

After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar, switch-on the emergency (back-up) battery for the Telematic/Telephone Control Module → 91 - COMMUNICATION

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