This venting system probably would have worked if put together better. The tool came straight out of the box with chips and traces of touch-ups. I've bought cheaper tools that looked way better, so I was already doubting this tool. Assembled the kit and followed the instructions to prime the pump. The fittings and hoses are made of good materials, but there was a leak somewhere in the supply hose because I could never get a solid column of liquid into the pump. The tool is of no use pumping air bubbles into the brake hydraulics, so I sent it back. It took almost 5 hours for Phoenix customer service to call me back, by then I had repackaged it and wasted no more time with a poor quality tool at this relatively high price.
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