My 98 R/T uses 134a according to the label on the radiator support
FYI
Bruce Bridges
At 01:57 PM 7/24/98 -0400, you wrote:
>> One: Since the manufacturerswere forced into using a non-CFC-type coolant
>> in the AC system (instead of R-12), the 'quality' of cold you get from
>> these systems is nowhere near the same, so keep that in mind when
>> considering your analysis.
>
> Chrysler phased out R12 (Freon) and has used R406a since somewhere around
>1993. R406a is an HCFC refrigerant, so it is still an ozone depleter and
>greenhouse gas, so it's still somewhat controlled.
>
> 406a has significantly less heat capacity than 12, but a properly-designed
>406a system will have a larger evaporator and condensor to make up for the
>difference. I'm happy to report that my '95 Dakota's 406a system cools with
>the best of the older 12 systems.
>
>> One other thing I just thought of . . . 96/97 Neons had a problem with
>> coolant contamination (water in the coolant) which would cause the
>> condensor to ice up while in use reducing the aount of cold air provided.
>> Don't know how to prove this, but perhaps someone else on the list does?
>
> Intra-system ice dams will usually clog up the expansion tube upstream
>from the evaporator, and you can often find these by feeling the hoses.
>But an iced-up condensor can also be found by feeling around; if the
>input is hot but the output is not cold, you might have a blockage.
>
> The best way to tell is with a set of gauges.
>
> Ron
>
>
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