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Update: The system pressure was down to about 10 on the low side, so it had some R134A in there -but not enough to start the compressor. I had about a can and a half of duster around and as today was Canada Day everywhere was closed so I couldn't buy any more. No matter, as R152A and R134A are...

No, an R134A system can run R152A with no issues, oils compatible too. Just uses less by weight. The conversion factor from R134A systems is 0.65, so 32oz x 0.65 = 20.8 oz. should do it. I'll report back with results and temps. :)

Hey thanks for the welcome buddy! After a quick think and a read of some other threads here I'm almost sure my explorer trim is very basic and no option on the dash controls for rear climate control ....so looks like I've just got plain vanilla front A/C with a tube out the back for the guy who...

Yes there's a vent in the back of the armrest with a cig lighter etc, pretty normal, no controls tho ...my other cars have this too - is that what's classed as rear a/c? seems haywire to me but there ya go

Hi - new to Explorers, just got this 2003 4-litre xlt one to pull my boat around. I was planning on vacuuming down the AC and refilling the system, but when I opened the hood saw the label I admit I'm a bit confused ..I managed to locate the hi and low ports but the quantities on the label refer...