As you have no gas left in the system you could just take the compressor end cap off and give it a good clean.Watch out for the o ring
Failing that you could give it a flush through with wd40 or similar.
To check it is pumping without any specialist kit you could make up some fairy liquid/water mix like for blowing bubbles with and smear some over the outlet and turn the crank on the air con compressor by hand,if you get big bubbles then you know it is pumping.
Failing that you could give it a flush through with wd40 or similar.
To check it is pumping without any specialist kit you could make up some fairy liquid/water mix like for blowing bubbles with and smear some over the outlet and turn the crank on the air con compressor by hand,if you get big bubbles then you know it is pumping.
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