...VW Golf 4 (1J) model years 1998 – 1999 With automatic air-conditioning control Failure of air-conditioning system due to defective radiator fan control unit In the vehicles specified above, a sporadic failure of the radiator fan control unit can cause a failure of the air-conditioning...
...VW Polo (6N) from model year 1995 Golf 3 (1H) from model year 1991 Passat (3A) from model year 1994 with air-conditioning White flakes come out of air outlet nozzles In some of the vehicles specified above, in particular of the early model years, white flakes may come out of the ventilat...
...Fixed Orifice Tube General In contrast to circuits with an expansion valve the liquid refrigerant is injected into the evaporator by an orifice tube. The orifice tube is installed primarily in air conditioning systems with a variable displacement compressor.Function The fixed orifice tube...
...Opel Vivaro model years 2001 – 2003 with 1.9 DI (F9Q-762) and 1.9 DTI (F9Q-760) engine Engine speed increases when gear is shifted. If there are complaints with these vehicles that the engine speed increases when a gear is shifted, then a possible cause can be the clutch pedal switch....
...Volvo S40, V40 Model year: with diesel engine from 1999, with petrol engine and air-conditioning from 2000 Noticeable vibration when radiator fan runs at stage 1 or 2. If there are complaints with these vehicles that noticeable vibration occurs when the radiator fan is running, then a p...
...Opel Montery With a 3.0 DTI (4JX1) engine The engine has start-up problems when it has been at a standstill for some time. If there are complaints with these vehicles that the engine has problems starting up (up to 3 minutes start-up time) after it is been at a standstill for some time,...
...Audi A4 / A6 Type 8E / 8H / 4B Radiator fan without function, increased engine temperature. If there are complaints with these vehicles that the radiator fan is not working and the engine becomes too hot, one possible cause is a faulty control unit for the radiator fan. To eliminate the...
...Opel Sintra All models Interior lighting doesn't switch off automatically. If there are complaints with these vehicles that the interior lighting doesn't switch off automatically after the doors have been closed, the following causes are possible: 1. Contact problems on the door contac...
...Ford Scorpio from model year 1995 with petrol engine Coolant warning light is on continually. If there are complaints with these vehicles that the coolant warning light is on all the time, one possible cause is a faulty float in the surge tank. Proceed as follows for fault diagnosis: â€...
...Audi A4 Model year 1994 to 2001 Poor climate regulation, set temperature is not maintained. If there are complaints about faulty climate regulation with this vehicle, one possible cause is the temperature probe in the fresh air intake port. The temperature probe forwards false temper...