Volkswagen Polo Service & Repair Manual: Secondary Lock

Volkswagen Polo Service & Repair Manual / Wiring / Wiring Harness and Connector Repairs / Contact Housings, Releasing and Disassembling / Secondary Lock

The secondary lock is a housing securing mechanism (second locking mechanism) that secures all wires in one contact housing. If a secondary lock is installed at a contact housing, it must always be opened or removed using specified tool before releasing and pulling out individual crimp contacts.

Secondary lock is distinguished by a different color from the rest of the contact housing. It simplifies recognizing the secondary lock and clarifies its function.

The shapes of the terminal housings depicted here are only a selection which, as an example, should make clear the various functions of the secondary lock.

Example 1

Housing securing mechanism is released by removing a “comb”-arrow-.

Secondary Lock

Example 2

Housing securing mechanism is released by opening a “flap”-arrow-.

Secondary Lock

Example 3

Housing securing mechanism can be released by disengaging a “slider”-arrow-.

Secondary Lock

Releasing and Disassembly Contact Housings, General Information

Note Observe general notes for repairs on the vehicle electrical system. Refer to → Chapter „Vehicle Electrical System, General Repa ...

Primary Lock

The primary lock is the locking mechanism of an individual crimp contact in the contact housing. If necessary, housing securing mechanisms (secondary ...

Other materials:

Pressure and Boiling Point
The boiling point given in tables for a liquid is always referenced to an atmospheric pressure of 1 bar (14.5 psi). If the pressure acting on a fluid changes, its boiling point also changes. For example, water boils at a lower temperatur ...

Special Tools
Special tools and workshop equipment required Torque Wrench 1331 5-50Nm -VAG1331- Crimping Pliers, Complete -VAS1978/1A- ...

Wheel cover
Fig. 163 Removing press-on wheel covers Fig. 164 Removing bolted-on wheel covers First read and observe the introductory information and safety warnings Removing and fitting press-on wheel covers Take the box spanner and wire hook from the toolkit . Insert the wire hook into o ...