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A/C refrigerant system, components

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Follow all safety measures listed on page, refer to A/C REFRIGERANT SYSTEM (R-134A), SAFETY MEASURES  when discharging or charging A/C refrigerant system.
NOTE:
  • For A/C refrigerant system components, replacing, refer to A/C refrigerant system, replacing components .
  • For A/C refrigerant system capacities, refer to A/C refrigerant system, capacities .
  • A/C components specified for use with R-134a are identified by a green label or stripe.
  • The A/C pressure switch -F129- marked with an asterisk (*) can be removed and installed without discharging the A/C system (valve under switch).

The following list pertains to Fig 1.

  1. Evaporator 
  2. Expansion valve 
    • Located on right side of engine compartment
  3. High-pressure service valve 
  4. Low-pressure service valve 
  5. A/C clutch -N25- 
  6. Oil filler plug/Drain plug 
  7. Compressor 
  8. Condenser 
  9. Receiver drier 
    • Replace whenever A/C system is discharged
  10. O-ring 
  11. A/C pressure switch -F129-* 
    • Can be removed and installed without discharging A/C system
    • Make sure O-ring fits properly in groove
    • Checking, refer to FUNCTIONS 
  12. Sight glass 
    • Not applicable to all vehicles
  13. Fig 1: Identifying Components Of A/C Refrigerant System
    G03363979Courtesy of VOLKSWAGEN OF AMERICA, INC.