Air Conditioning and Coolant
Isuzu Trooper
Heating Ventilating and Air Conditioning

Why does the air conditioning unit jam when switched on in a 1999 Isuzu Trooper when the front plate pulls in but won't turn?

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Wiki User
December 09, 2005 2:54AM

The plate you refer to is part of the A/C clutch, when it is

energized it engages the clutch to turn the compressor. When it is

not energized (out position) the pulley freewheels and there is no

load on it. Your A/C compressor has either locked up due to an

internal failure or extremely high system pressures. Either way you

need to take it to a professional for repair.

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