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A/C Recharge (R-134) Proceedure 900

The 940 is a simple and common A/C system.

You could easily do the procedure yourself. If you can vacuum the system out, you can charge it. But if you charge into atmospheric pressure, the system won't be very good. If the system leaks and you recharge it, you'll always be chasing an elusive charge/no-charge situation, where the level won't be right. So my caution is that the system has to be leak-free before charging or it will never have the right charge level for more than a little while, and you'll have a rotten A/C system despite constantly chasing down the proper charge.
--
Chris Herbst, near Chicago.






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