v40 1.6 black box top of radiator?
Hi all.am trying to sort idling problem on my 2000 volvo v40 1.6.at the top of the radiator on the right hand side is a small black box that makes a ticking sound like a pump.it has a hose running from it to the bottom of inlet manifold.what is it and what does it do.I have replaced the hose as it was perished and appeared to be flat(collapsed) in places.Thanks Alan
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