Well RTH I'll back you up. It's obvious that those who have not had much A/C experience should take their vehicles to a pro. Doing a job incorrectly and then having to have someone else undo the mess is not my idea of saving money.
No offense Blau.

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Scott Diener
89 300E
93 300E
92 Volvo 740 Wagon aka "Mutt mover"