A/c clutch on off


#1

my 1988 Olds 88 A/C clutch will only engage for a few seconds then disengage for about a minute then engage a few seconds and on and on. The A/C is not working and I recently converted to 134a. What might be the prob.?


#2

You Have a Leak


#3

the compressor will do this if it’s low on freon.check the freon and see if it’s low if it’s not your relay is probably bad.


#4

Knowing the pressures would help, but the most likely cause is low refrigerant due to a leak followed by a faulty low pressure switch.

If that’s the original R4 compressor then it’s done a good job up to this point.


#5

Was a good vacuum pulled when the conversion was done? Air in the system can cause excessive pressures and overloading, as well as causing compressor burnout.


#6

STAR… What the heck are you talking about??? The system is low on freon, that causes the compressor to cycle on and off you dipstick.


#7

As usual, Star spouting a bunch of incorrect A/C info again.
Autos are a big enough expense and aggravation without making the situation worse. It’s not helpful nor is it even funny.