jeffw Posted August 30, 2016 Report Share Posted August 30, 2016 I noticed this leaking today. Were does this hose go and what does it do? Link to comment Share on other sites More sharing options...
alan0043 Posted August 30, 2016 Report Share Posted August 30, 2016 I noticed this leaking today. Were does this hose go and what does it do? What engine do you have ? Link to comment Share on other sites More sharing options...
SuiteSuccess Posted August 30, 2016 Report Share Posted August 30, 2016 Alan, 2007 VNL 780 so would suspect D12 looking at valve cover and color know it's a Volvo. Link to comment Share on other sites More sharing options...
sclord2002 Posted August 30, 2016 Report Share Posted August 30, 2016 Breather hose....vents to atmosphere under truck. Charlie Link to comment Share on other sites More sharing options...
SuiteSuccess Posted August 30, 2016 Report Share Posted August 30, 2016 Breather hose....vents to atmosphere under truck. Charlie Why little oil around it? Is that normal? Link to comment Share on other sites More sharing options...
Ronbo Posted August 30, 2016 Report Share Posted August 30, 2016 I noticed the 100 volt sticker. Are you sure it isn't a hybrid? Link to comment Share on other sites More sharing options...
Alie&Jim's Carrilite Posted August 30, 2016 Report Share Posted August 30, 2016 I noticed the 100 volt sticker. Are you sure it isn't a hybrid? Stick your finger in the ECM and see Link to comment Share on other sites More sharing options...
Big5er Posted August 30, 2016 Report Share Posted August 30, 2016 What engine do you have ? Look at the top of the cover. It says "olvo". I'm betting its a Cummins. Sorry Alan, I just couldn't help myself Link to comment Share on other sites More sharing options...
MrSeas Posted August 30, 2016 Report Share Posted August 30, 2016 If it was a Cummins it wouldn't be leaking....... Link to comment Share on other sites More sharing options...
rickeieio Posted August 30, 2016 Report Share Posted August 30, 2016 If it was a Cummins it wouldn't be leaking....... Everything leaks with age................ Link to comment Share on other sites More sharing options...
GeorgiaHybrid Posted August 30, 2016 Report Share Posted August 30, 2016 Everything leaks with age................ I have a great come back here using Depends but I must resist. I must. Link to comment Share on other sites More sharing options...
Hewhoknowslittle Posted September 1, 2016 Report Share Posted September 1, 2016 I have a great come back here using Depends but I must resist. I must. David, When did you start holding back?? Link to comment Share on other sites More sharing options...
rickeieio Posted September 1, 2016 Report Share Posted September 1, 2016 I have a great come back here using Depends but I must resist. I must. I intended that as a lead-in, so go for it. Link to comment Share on other sites More sharing options...
Exile Posted September 1, 2016 Report Share Posted September 1, 2016 Suite- The hose relieves the little bit of combustion gas that escapes past the piston rings. Without it, the gas would build up until parts blow off the engine like oil seals. It has no pressure or liquid in it, so take hose off, clean up surfaces, check hose clamp, check that hose isnt plugged, and put back, maybe with some oil resistant rtv sealant if you dont like leaks. There may be a sponge looking thing inside the valve cover. Clean it or change it if you can get at it. Link to comment Share on other sites More sharing options...
SuiteSuccess Posted September 1, 2016 Report Share Posted September 1, 2016 Thanks Exile. Link to comment Share on other sites More sharing options...
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