Engine Size: 4.6
Refrigerant Type: R134
Ambient Temp: 80
Pressure Low: 125
Pressure High: 125
The other day the idler wheel on my 97 4.6 went out. replaced it, and when I fired it up. I saw a couple sparks come out from the AC compressor clutch.
I'm guessing some bearings fell in the clutch.
NOw when I turn on the AC, i get a howling sound at low RPM and no AC
Put on my gauges, and I have about 150 PSI static. Turning on the AC doesn't make the pressure drop.
May have shorted out the clutch coil.
I don't think so. I can see it engaging when the AC is turned on.
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