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Old 07-02-2015, 10:17 AM
Phillytwotank Phillytwotank is online now
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Join Date: Aug 2011
Location: Carolina
Posts: 1,588
Are you getting cold air in the vents?

I'm fairly sure that the '92 year model still used R12 as the original refrigerant. My '92 has r134 fitting adapters on the service ports so i assume that it had been converted somewhere along the line before i got it Where as, the '93 300d in our fleet is definitely a native r134 a system. So, if you're running r134 in your '92 then higher pressure than what we see on a generic r134 temp/pressure chart would be normal?
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Current fleet
2006 E320 CDI
1992 300D - 5speed manual swapped

former members
1984 300D "Blues Mobile"

1978 300CD "El Toro"

Last edited by Phillytwotank; 07-02-2015 at 10:27 AM.
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