I have a 91 Peterbilt 357 that I can’t charge the AC on. My problem is it’s a R12 system and nobody charges R12 anymore. I bought my own r12...
Also forgot to mention there is a small diesel leak at the bottom of the ecm. Don’t know if that would be causing the issue
HELP!!! Caterpillar 3176 in 1991 Pete 357 This problem started a couple a months ago. Started happening every so often and now getting worse....