audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Components in the passenger compartment > < Components for the control and regulation of the air conditioner from Model Year 1997
Heating, Air Conditioner
Components for the control and regulation of the air conditioner from Model Year 1997
Components in the engine compartment
 
A87-0150
  • Through-flow exit vents
    • ◆ Sealing lips must move freely and close automatically
    • ◆ The passenger compartment ventilation will only function properly if the air ducts are not blocked by the luggage compartment trim (to the rear shelf)
    • ◆ Checking
  • Compressor
    • ◆ Removing and installing compressor bracket=> Page 87-25
    • ◆ Removing and installing ribbed belt

=> Relevant Workshop Manual Engine, Mechanical Components; Repair group 13

 
A87-0150
  • Air conditioner magnetic clutch -N25 2)
    • ◆ => Page 87-35 onwards
  • Condenser
    • ◆ May only be removed if the refrigerant circuit is empty; send vehicle to an VW/Audi air conditioner service centre
  • Ambient temperature sensor -G171
    • ◆ Removing:
    • ‒ Remove front bumper:
    • ‒ Detach connector at temperature sensor and unclip it from holder in air duct.
    • ◆ Resistance values
 
A87-0150
  • Air conditioner pressure switch -F129
    • ◆ Function, removing and installing
  • Container
    • ◆ May only be removed if the refrigerant circuit is empty; send vehicle to an VW/Audi air conditioner service centre
    • ◆ Removing and installing
  • Condensation drainage valve
    • ◆ Checking => Page 87-52
    • ◆ Removing and installing
    • ◆ Drip channel on condensation drain => Fig.1
 
A87-0150
  • Restrictor
    • ◆ Installed in the refrigerant pipe
    • ◆ May only be removed if the refrigerant circuit is empty; send vehicle to an VW/Audi air conditioner service centre
  • Service connection
    • ◆ High-pressure side
    • ◆ For measurement, drainage and filling at VW/Audi air-conditioning service centres
    • ◆ Always screw on cap with seal
  • Service connection
    • ◆ Low-pressure end
    • ◆ For measurement, drainage and filling at VW/Audi air-conditioning service centres
    • ◆ Always screw on cap with seal
 
A87-0150
  • Air flow flap positioning motor -V71 2)
    • ◆ Also actuates the fresh-air and recirculated-air flap
    • ◆ With air-flow flap positioning motor potentiometer -G113
    • ◆ Removing and installing
  • Fresh air intake duct temperature sensor -G89 1)
    • ◆ Checking => Page 01-154
    • ◆ Removing and installing
  • Dust and pollen filter:
    • ◆ Removing and installing
    • ◆ Observe change intervals

=> Maintenance manual

 
A87-0151

→ Fig.1    Drip channel on condensation drain

  • ◆ A drip channel -A- is provided at the condensation drain (this prevents the condensation water from running back into the foam seal -B-).

Note:

No drip channel is provided on the condensation drain on right-hand drive vehicles, these vehicles should always be fitted with a grommet => Page 87-52.

 
A87-0033
  • ◆ → If the drip channel has become detached:
    • ‒ Attach a grommet -D- as shown in the diagram.
    • ‒ Seal the grommet to the drain pipe with sealing compound, e.g. D 176 404 A2.

Components in the passenger compartment > < Components for the control and regulation of the air conditioner from Model Year 1997