Page 1099 - Workshop Manual - Aumark (BJ1051)

51-7
Heater and air conditioner- heater and air conditioner

symptom Suspect area Reference
1. reservoir (the inlet or the inside is Chapter 51 heater and air conditioner-
blocked) reservoir, replacement

2. condenser (blocked) Chapter 51 heater and air conditioner-
The high pressure is too high and the condenser, replacement
low pressure is too low
3. the pipes between the reservoirs at Chapter 51 heater and air conditioning
the outlet of the compressor pipe- reservoir, replacement
(blocked)
1. temperature control switch Chapter 51 heater and air conditioning
(damaged) pipe- reservoir, replacement
Others
Chapter 51 heater and air conditioning
2. air cooling and heating door pipe- reservoir, replacement
(damaged)

4. the noise of the refrigeration system is too big

Phenomenon Suspect area Reference
1. belt (too loose) -
2. compressor bracket (damaged) -
3. compressor (damaged) Chapter 51 heater and air conditioner-
air-conditioner compressor,
replacement
4. refrigeration oil (the amount is too -
small or no oil at all)
Noise outside the system
5. electromagnetic clutch (slippery) Chapter 51 heater and air conditioner-
air-conditioner compressor,
replacement
51
6. air blower (the bearing is Chapter 51 heater and air conditioner-
damaged and the fan contacts with air- air blower, replacement
other parts)
1. refrigerant (too much or too less) Chapter 51 heater and air conditioner-
refrigerant, on-vehicle inspection

2. water vapor is in the system, Chapter 51 heater and air conditioner-
Noise inside the system which may cause noise in the refrigerant, on-vehicle inspection
expansion valve (slippery)
3. the pressure at the high-pressure Chapter 51 heater and air conditioner-
side is too high, which may cause refrigerant, on-vehicle inspection
vibration of compressor.

Page 1099