IceMan Posted April 25, 2011 Share Posted April 25, 2011 Yer not good. Its an on going problem that seems to be worse than ever. Temp gauge needle is hitting red sometimes. Usual if motoring along the needle will drop down to about half way but today i couldn't get it lower than 90% from max. Steam coming from rad cap and coolant seeping from overflow pipe. Coolant over rad fan and rad but cant be sure where that has come from exactly. Its been a intermittent fault never got this bad so im thinking what ever has been causing it has now failed completely. It used to over heat occasionally usual after sustained driving say at 80mph for 10-15 mins but today its constant and isnt triggered by any particular load from the engine.What i have discovered so far :Top rad hose is scorchio and bottom is stone cold. Rad is stone cold up to the very top where it too is scorchio. Heaters blow out cold air even when set to hot when its over heating. When its not over heating they operate normally. Haynes manual says if top hose is hot then thermostat is working.... It was in the garage last week and they couldn't get it to over heat once. sods law.Any ideas? I'm car'less until this is resolved and i got work tmo doh! Link to comment Share on other sites More sharing options...
ryan.. Posted April 25, 2011 Share Posted April 25, 2011 First thing i'd to is flush the system. Sounds like an air lock imoTotally empty the coolant system and re-fill it making sure there are no air locks Link to comment Share on other sites More sharing options...
simpo Posted April 25, 2011 Share Posted April 25, 2011 sounds like the stat was faulty which you should of changed ages ago by the sounds of it. due to the hot weather we have been having lately you car will be needing the stat and fan working. i would now say you may have turned a £20 thermostat in to a head gasket job Link to comment Share on other sites More sharing options...
IceMan Posted April 25, 2011 Author Share Posted April 25, 2011 was flushed at the garage last week monday , was ok for about week but now the problem is back and worse than ever Bottom pipe being cold and no heat from the heater despite temp gauge at near max must mean something to someone. Link to comment Share on other sites More sharing options...
IceMan Posted April 25, 2011 Author Share Posted April 25, 2011 haynes says top pipe from rad hot termostat operating okgarage pressure tested engine and cooling system - all ok no head gasket failure. No evidence to suggest otherwise yet but it cant be ruled out perhaps its weeping rather than completely failed. No power loss when not overheating ( i dont dare boot it when it is). No smoke , no oil in coolant , economy normal etc Link to comment Share on other sites More sharing options...
simpo Posted April 25, 2011 Share Posted April 25, 2011 haynes says top pipe from rad hot termostat operating okgarage pressure tested engine and cooling system - all ok no head gasket failure. No evidence to suggest otherwise yet but it cant be ruled out perhaps its weeping rather than completely failed. No power loss when not overheating ( i dont dare boot it when it is). No smoke , no oil in coolant , economy normal etcwhen did they pressure test before or after the big blow out? Link to comment Share on other sites More sharing options...
IceMan Posted April 25, 2011 Author Share Posted April 25, 2011 No they haven't seen it since as its just happend today. I did call them last week when it started again and they suggested new rad cap as it may not be releasing the pressure. Bought a new rad cap and fitted it today. Perhaps i have caused an airlock and now its a combination with the existing fault? If it was going to blow it would of been when they tested it unless im very unlucky... dont swear at me with this HG failure thing any more i cant afford to hear it Link to comment Share on other sites More sharing options...
Gav_ek4 Posted April 25, 2011 Share Posted April 25, 2011 sounds to me like they have not bled it properly after doing the flush, causing an airlock and ultimately probably the end of your headgasket, honda engines dont take to being cooked Link to comment Share on other sites More sharing options...
IceMan Posted April 25, 2011 Author Share Posted April 25, 2011 swearing again Link to comment Share on other sites More sharing options...
IceMan Posted April 25, 2011 Author Share Posted April 25, 2011 how does a blown gasket lead to no heat from the fan heater and a cold pipe from the radiator? Link to comment Share on other sites More sharing options...
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