Volkswagen Polo Service & Repair Manual: Special Tools

Replacing Reservoir, No Contaminants, No Loss of Refrigerant

  Discharge the refrigerant circuit. –  Replace the restrictor depending on the vehicle. –  Rem ...

Commercially Available Tools and Materials

  Note This list outlines the testers, tools and materials required for expert refrigerant circuit repair work.   ...

Other materials:

Introduction
This chapter contains information on the following subjects:  → Running-in  → Accessories and parts  → Service fluids and consumables  → Repairs and technical modifications  → Repairs and faults in the airbag system  → Retrofitting two-way radios ...

Welding and Soldering on Refrigeration Systems
Before performing welding or soldering work on vehicles near the air conditioning system components, extract the refrigerant and remove the residue by flushing with compressed air and nitrogen. The products of refrigerant decomposition d ...

Corrective Action When Vehicle Pulls to One Side
Test Conditions Before and During the Road Test –  Check all suspension components on front and rear axle for damage. –  Check tire pressure and correct if necessary. –  ...