johnd-mkiv Posted November 12, 2010 Share Posted November 12, 2010 Im looking at puting a small heater in my car as cant be doing with the front screen misting all the time, I have 3 ports on the engine that are blocked one from the back of the water pump one off the back of the head one around the oil filter which two of these will be my flow an return as for the life of me cant remeber the plumbing, im guessing the back of the water pump will be the flow. John Quote Link to comment Share on other sites More sharing options...
Andy Blyth Posted November 12, 2010 Share Posted November 12, 2010 I would hazard a guess at the back of the head port being flow and the back of the pump port being return. Quote Link to comment Share on other sites More sharing options...
Homer Posted November 12, 2010 Share Posted November 12, 2010 The one on the back of the pump is the return, it's the line is the front most one which goes over the top of the cams and down the exhaust side of the engine. The one from the back of the block should be the feed to the matrix. Edit, just checked and confirmed. Quick pic form the service manual, hope this helps Quote Link to comment Share on other sites More sharing options...
johnd-mkiv Posted November 12, 2010 Author Share Posted November 12, 2010 as long as its them two spigots an not the on near the oil filter then thats fine Quote Link to comment Share on other sites More sharing options...
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