mad_pete Posted May 13, 2007 Share Posted May 13, 2007 How pressured should a range rover cooling system be ? The top hose on mine goes rock hard very quickly. Is there a pressure valve anywhere and can this get jammed shut ? I recently blew a hose and am suspious of things generally. Quote Link to comment Share on other sites More sharing options...
nige90 Posted May 13, 2007 Share Posted May 13, 2007 AFAIK about 13psi at full operating temp. If it happens REALLY quickly and you've popped a hose then I'd be looking at a head gasket issue. Quote Link to comment Share on other sites More sharing options...
mad_pete Posted May 14, 2007 Author Share Posted May 14, 2007 Chemical test showed no combustion gases in the coolant. The heater to inlet manifold hose was the one that split ( so technically not a pop I guess :-) ) Quote Link to comment Share on other sites More sharing options...
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