[DML] Re: Air Condition at Highway Speeds

["geoff_ombao" <geoff_ombao@xxxxxxxxx>]

Thanks for the info.

It has been exceptionally hot out, but fortunately my engine hasn't over heated thus far. I 
can hear at least one fan kicking on/off periodically, but don't know if both are working. 
The previous owner switched to the eco-friendly the refrigerant ... could this cause the 
problem?

Geoff
10718



--- In dmcnews@xxxxxxxxxxxxxxx, "Dave Swingle" <swingle@xxxx> wrote:
> It's based on pressure in the system. Depending on the vintage of the 
> car, there are either one or two pressure switches in the freon 
> system. All cars have a low pressure switch (the one on the bottle), 
> cars after a certain point (not sure when but later than 3000?) have 






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