Volkswagen Polo Service & Repair Manual: Odor from the Heater and A/C Unit

Possible Concerns

  Note The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. ...

Odor from Evaporator or Heat Exchanger?

  Fishy smell –  From leak at cooling system of engine or of A/C system heater core.   Note ...

Other materials:

Fiber-Optic Cable, Disconnecting from Wiring Harness Connector
Removing –  Unplug connector for fiber optic cable from appropriate control unit. –  Release the locking mechanism in the fiber-optic cable connector -1- by pushing on it. ...

Important Information when Working with the A/C Service Station
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Checking
–  Turn off the ignition. –  Connect pressure gauge battery (A/C service station). –  Take pressure gauge readings. There are two possible results A and B.   &nbs ...