The "a" in R134a is an indicator. There are two gases that are similar R134 and R134a. They both have the same chemical make up which is 2 hydrogen, 2 carbon and 4 fluorine. However in R134 all of the elements stay separated in a gaseous state. In R134a the elements combine together in different ways. Two hydrogens can be bonded with 4 fluorines or 2 carbons with 4 fluorines, etc. Lower case letters are the "organization" of the molecules and upper case letters are the different blends of the refridgerant.
The R in R-134a stands for refrigerant.
R134a is a refrigerant gas
Can you mix r134a with r410a?
No, unless the a/c has been converted to r134a
R134a.
Chevy switched from R12 to R134a for the model year 1994. Your truck should be R134a.
newer vehicles, such as a 99 jeep, all use 134-A refrigerant.
The 134a plus just has PAG oil added already, so that you (theoretically) don't have to add it after adding the R134a.
R134a in most situations.
R134a
R134a . All vehicles after 94 went from R12 to R134a
how much r134a charge for bus chevy chapion