i have a question. i attempt to retrofit my car this morning. i know the good and the bads about switching over, but i decided to do so. here's what happened:

1. screwed on the low and high port retrofit kit.

2. hooked up hose and read "0" pressure

3. tapped new 12 oz 134a refrigant

4. about 3/4 the way i took it out. (car running with a/c on)

5. pressure read 70 lbs (left of the red side)

compressor still not kicking in, and still not cold. i believed i did it right and i assume the capacity was 20 oz in these cars 1984 300SD. what did i miss or do wrong? any advices would be appreciated. thanks

ned

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198? 300D ???K - Future DD
1989 300TE 285K - traded in '12
1984 300SD 186K - Sold in 08
1978 300SD 330K - Died in 05