On this 1998 Ford F150 the engine has been rebuilt so the miles that it says on here are the frame miles. On the truck there was a weird sound as if something was rattling, so I looked in the engine compartment and the AC clutch was bad. I replaced the AC clutch and when I turned the truck on and turned the AC on, the clutch continually moves. But once I turn off the air-conditioner (with the truck still running) the AC clutch disengages. I hooked an AC manifold gage to the high side and low side. The low side said 40 and the high side said 30. The truck blows cold but the gage reading does not make sense to me unless it's the expansion valve. Should I just evacuate the system and put new freon in? The truck does not have r24 the truck has r134. Ultimately, what should I do?
My car has 386 miles.
My car has an automatic transmission.
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