Servicing a VIR assembly is not difficult. Remove it from the car. Clean it before you open it. Service kit will have the O rings and the desicant bag. Its the removal from the car that is proving difficult-the VIR unit has a huge nut that just doesn't move and there is a 2nd nut behind it on the l...

As far as you know, was the system cooling acceptably up to the apparent loss of refrigerant and catastrophic compressor failure? Yes it was, I never experienced cooling with R-12 so can't make a direct comparison. Thermal fuse was barely a year old I've read the dessicant bag inside the VIR should...

Hi all Car is a 1976 Cadillac with the old Valve in receiver assembly that has run well for many years on R134 with no issues. Last year it needed recharging I thought ok fine, its been 12 years between recharges. Then barely a year later, it stopped blowing as cold but compressor still turned, then...