R12-if it has ac of course.
A Dodge Neon uses R134a.
It does not contain any Freon.
Yes
no a 2001 dodge neon motor will not work in a 2000 neon
Haynes repair manual, Dodge Neon 2000 thru 2003. Book #30036
Nearly all of the parts on a 2001 Dodge neon are interchangeable with the 2002 Dodge neon. The models are almost identical.
Uses no Freon which is R12. Uses R134 refrigerant.
It uses R134a.
R-134
valves are not adjustable on a dodge neon.
Yes there is no difference in the two years 2001 was a carry over from 2001.