Volkswagen Polo Service & Repair Manual: Tire Sealant

Siemens Wheel Electronics Tire Pressure Monitoring Sensor, Removing and Installing

  WARNING If tire sealant was used, then the wheel electronics on that particular wheel must be replaced. ...

Tire Sealant, Expiration Date

Tire sealant in the bottle has a limited storage life.     Therefore, the expiration date is indicated on the bottle ...

Other materials:

Pressure Relief Valve
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Odor from Evaporator or Heat Exchanger?
  Fishy smell –  From leak at cooling system of engine or of A/C system heater core.   Note If the fishy smell gets weaker when the temperature is set to “cold” and stronger when i ...

General Information
In order to be able to force moisture and other contaminants out of refrigerant circuit, compressed air and nitrogen (to force moisture out of refrigerant circuit) are to be used. For the most part, blowing through the refrigerant circui ...