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Yes, the outside. with a condenser cleaning chemical, not soap, not simple green, either an acid or an alkaline cleaner specifically designed for condenser coils.
to run 134 in an older MB that was barely designed to handle R12, either a larger condenser, a parallel condenser, or an additional condenser needs to be added to the system to keep the head pressures below the stratospheric highs...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!
My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!
1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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