What type of freon was loaded in a 1986 300 SDL from the factory,was it R12 or R134?
Thanks

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Big Dan MEng

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If at first you don't succeed,
Skydiving is not for you.

ARTIFICIAL INTELLIGENCE IS NO
MATCH FOR NATURAL STUPIDITY.

If anything can go wrong,fix it!
The hell with Murphy!!
I never think of the future.It comes soon enough.

There should be a label in the engine compartment that states what was installed and the amount.

__________________
92 300D 2.5L OM602 OBK #59

In 1986 everything from the factory was R12. R134a was first in cars sometime in the early 1990s.

__________________
1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!

^ Yeah and the different types have different Schrader valves too, so a technician can tell you if it was ever replaced with R134.

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83 SD

84 CD

Thanks gentleman.

__________________
Cheers
Big Dan MEng

Visit my Blog..
http://allformercedesbenz.blogspot.com/

www.benzguy.piczo.com



If at first you don't succeed,
Skydiving is not for you.

ARTIFICIAL INTELLIGENCE IS NO
MATCH FOR NATURAL STUPIDITY.

If anything can go wrong,fix it!
The hell with Murphy!!
I never think of the future.It comes soon enough.

R-134a is a refrigerant but it isn't Freon. R-12 made by duPont is sold as Freon.

Sixto
87 300D

DuPont Suva is R-134a.