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A/C codes 850

posted by  Hamfisted on  Wed Oct 6 05:51 CST 2004
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The A/C system will report faults to the computer. You will see the A/C and Recirc LEDs flashing when a fault is recorded. The system is a Constant Cycle system so the compressor is gonna cycle a bit. The best thing to do is get yourself a A/C gauge kit at Walmart and plug into the low side port and read the system pressure. If it's drawing down below 25 psi you need to add a little R134 to the system. It should stay in the 25-30 psi range with the compressor on. If you've never replaced the evaporator it probably leaks, and every month or so you're gonna have to add freon.



Mike
'95 850T






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