2001 Mitsubishi Mirage Compressor blow off valve

hi well the valve is only suppose to open when a/c pressure is excessive.this is a spring loaded valve with a oring if it is leaking you can replace the o ring . but if it is building up high pressure and bleeding off then you have a restriction in the system. the same effect as if you hold your hand under your kit faucet and turn the water on the pressure will build and blow water around your hand. i woulld replace the oring and evac and recharge and see if this fixes the prob. if you need a new valve .you can go online to your compressor manufacture and order one. good luck billymac

My A/C seems to all the sudden start blowing warm air out the vents.

My a.c.seem to all the sudden start blowing warm air out the vents

Hi Kip,

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