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A/C

posted by  someone claiming to be julian on  Sun Jun 5 22:38 CST 2005 [RELATED]

2. even with some pressure, it may still be too low if there is a low pressure switch that prevents the compressor clutch from engaging (the PCM doesn't send a signal for voltage).

2b. if no pressure, you'll have to check if there's a leak in the system. Either look for PAG oil (green stuff) or R134 around/under the lines, or put the AC system in vacuum and see if it holds vacuum. leaks can be caused by degraded/damaged o-rings or loose fittings.

4. if system doesn't leak, charge with refrigerant. but you'll have to confirm the compressor clutch (1) engages and (2) doesn't slip because there's corrosion on the friction surfaces.






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