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Bentley Volkswagen.Golf.Jetta.R32.Official.Factory.Repair.Manual.1999-2005

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Anti-lock brake system (ABS) and anti-lock brake system with electronic differenti...<br />

Página 3 de 4<br />

45-3<br />

Notes for repair work on ABS, ABS/EDL<br />

WARNING!<br />

Brake fluid is poisonous.<br />

Note:<br />

Before working on the ABS system, determine<br />

the cause of the malfunction using On Board<br />

Diagnostic (OBD)<br />

<strong>Repair</strong> Manual, Brake System On Board<br />

Diagnostic (OBD), <strong>Repair</strong> Group 01<br />

Before working on the ABS system, disconnect<br />

the battery ground (GND) strap. Obtain the<br />

radio code for vehicles with a coded radio.<br />

Before doing any welding work with an electric<br />

welding unit, disconnect the ABS control<br />

module.<br />

When working with brake fluid, observe the<br />

relevant safety precautions and notes Page<br />

47-33 .<br />

If the brake hydraulic system had to be opened<br />

during the course of repair, bleed the brake<br />

system after completion of the repair Page<br />

47-33 .<br />

During the final road test perform at least one<br />

controlled brake test where the brake pedal is<br />

felt to pulsate (ABS operation).<br />

Absolute cleanliness is required when working<br />

on the ABS system. It is not permitted to use<br />

any products which contain mineral oil,<br />

greases, etc.<br />

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...<br />

12/2/<strong>2005</strong>

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