Reasons for not cooling of automobile air conditioner compressor
There may be several reasons:1 fan motor does not rotate2 refrigerant pipe leaks, there is no refrigerant3 air conditioning is too dirty, dust or dirt too much, need to clean up.
Let's check it out by the rule of exclusion. 1 start the engine, open the air conditioning switch in idle state, observe and listen to the engine has changed, for example, when the engine speed increased significantly, indicating that the air-conditioning pump is good. 2, check the air-conditioning pump electronic clutch, the method is to open and close the air-conditioning switch in the idle state of the car, repeated several times, to observe the normal air conditioning pump should be opened when the air conditioner switch, the air pump in the belt driven work. If you turn on the air conditioning switch, watch only the belt rotation, the air-conditioning pump shaft did not turn, indicating that the air-conditioning pump, electronic clutch out of trouble. 3 check if there is no air conditioning system. The air pump doesn't work if it leaks
Is the high pressure and low pressure normal? Because you see the compressor pulley is turning, it doesn't mean the compressor must be working, because if the clutch doesn't work, the compressor will not work