Volkswagen Golf Service & Repair Manual: Repairing threaded connections

Volkswagen Golf Service & Repair Manual / Electrical system, general information / Wiring / Contact surface cleaning set -VAS 6410- / Repairing threaded connections

Special tools and workshop equipment required

VAG 1331

Note

The use of penetrating fluid, contact spray or grease etc. is prohibited since the missing adhesion in the threads may cause a torque excess and, therefore, the break of the threaded connection.

The grey sanding pads are suitable for light dirt and "soft surfaces". The red sanding pads are suitable for heavy dirt and "hard surfaces".

WARNING

Danger of injury! Observe warning notices and safety regulations → Chapter!

–	Disconnect battery.

Repairing threaded connections

–	Loosen cap nut and remove ring terminal from threaded connection.

–	Check threaded connection for corrosion, dirt etc.

–	Select suitable adapter and suitable sanding pad for threaded connection.

Caution

Take care not to abrade excessively the tin coating and ensure that the copper does not appear. This could produce a galvanic cell which destroys metal and causes faulty repair.

Note

As the thickness of the tin coating may differ according to the design, the cleaning process must be performed step by step and a visual check of the ring terminal is necessary between the steps.

Repairing threaded connections

–	Set adapter on threaded connection and grind off corrosion and dirt with circular movements.

–	Check threaded connection and regrind if necessary.

–	Tighten connection and, if necessary, locating element again to specified torque → Current flow diagrams, Electrical fault finding and Fitting locations.

Note

Optimum contact is ensured when the components to be secured are tightened to the specified torque after cleaning.

–	Apply suitable anti-corrosion treatment to threaded connection → Chapter.

–	Reconnect battery.

WARNING

Danger of injury! Observe warning notices and safety regulations → Chapter!

–	Teach in electric windows again, enter radio code, set clock and, if necessary, recode control units which emit code signals.

Repairing threaded connections

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