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I know this is an old thread but.......
I don't have a workshop air compressor and I want to flush and refill my coolant and would happily spend on getting a vacuum refilling system but not both pieces of equipment.
Is there a vacuum system that does not need an external air compressor or alternatively has anyone devised a way of using a vacuum system without a compressor maybe with a 12v tyre inflator or some other devious way to provide the air power?
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