Volkswagen Polo Service & Repair Manual: Hoses, Repairing

Headlamp Washer System

The following hose connection types are used for connecting hoses to pumps and spray nozzles or as separating points     ...

General Information

A new repair concept has been developed for repairing washer system hoses. Various individual hose connectors, adapters, Ethylene Propylene Diene Methylene (EPDM) rub ...

Other materials:

Heel and Toe Wear
Heel-and-toe wear is step-like wear of individual tread blocks, due to which an increased rolling noise can develop. The heel-and-toe wear is caused by the uneven distortion of the tread blocks in the contact patch. Heel-and-toe wear appears in more extr ...

Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant employed is tetrafluoroethane R134a, which bo ...

Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%, depending on compressor type and amount of refrigerant) and circulates constantly in the system, lubricating the moving parts. Special synthetic refrigerant oils, for example, ...