Model: G1500 Express Van
Engine Size: 5.7
Refrigerant Type: 134a
Ambient Temp: 76
Pressure Low: 40
Pressure High: 150
Country of Origin: United States
i get little cooling at idle when i start to drive around cooling gets better. i have just replace the compressor, dryer. office tube, flush the system. the reason the compressor lock up but before that happen it always cooled ice cold at idle
Need more information, flushed what everything front and rear components? Was system pulled into a vacuum before charged? How much refrigerant and oil was used?
i flush just the high side lines front/rear and condenser oil 8 oz 4.83 lb 134a pull a vacuum for one hour let it sit 1/2 hour no leaks it seem weird that the suction line coming out of the direr is very cold yet does not seem to cool till you start driving
Sure you put the OT back in correctly? Refrigerant is correct for a dual unit system Pressure on the high side is low. Are you pressures listed at idle or 1500rpm? Is this a new or reman compressor, which brand?
ot is in right, pressure is at idle, compressor is new made by porliance
Did you try to flush the rear evaporator through the line, without disconnecting the TxV first? If so you likely left a bunch of flushing agent behind in the evaporator.
After having a seized compressor, the condenser really ought to be replaced. They are hard to flush.
It does also look like it could be a weak compressor as TRB suggested.
i forgot i also replace the valve so i flush the line when the valve was off
I would like to know what the pressures are at 1500 RPM. The new Proliance compressor should be a quality unit. Might have too much oil in the system, that's a problem without doing a complete system flush.
Pressure at 1500 is low 34 high 175 the high side dose go up to 225 than back down to 175 low side fluctuates a little
At idle, is there sufficent air flow across the condenser??
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