Guest wildsquaddie Posted December 19, 2009 Share Posted December 19, 2009 Hi, can anyone help warm my cabby up. On tick over the heaters work slightly, when im on the road driving, the warm air comming through the blowers turns really cold, as it is really cold outside. I have not got a clue what it could be, please help Quote Link to comment Share on other sites More sharing options...
Guest Cabbytech Posted December 19, 2009 Share Posted December 19, 2009 Check the water level in the expansion tank, if the water level is low this can actually stop the heater from working. Quote Link to comment Share on other sites More sharing options...
Guest wildsquaddie Posted December 19, 2009 Share Posted December 19, 2009 reply to cabbytech, the water in expansion tank is just below max ive just checked thank you anyways though. Quote Link to comment Share on other sites More sharing options...
Chris Posted December 19, 2009 Share Posted December 19, 2009 Check all hoses for signs of blockage.. if the heater starts warm and then goes cold when engine is under load then the water isnt doing a full circui Quote Link to comment Share on other sites More sharing options...
RScab Posted December 19, 2009 Share Posted December 19, 2009 What model car is it m8 ? Quote Link to comment Share on other sites More sharing options...
Guest shaun Posted December 19, 2009 Share Posted December 19, 2009 Hi mate i would prob say your heater matrix is blocked and water is not going all round matrix...you can take both hoses off and try puttig pressure washer through it to clean it.....done this to my mk4 cabbie matrix(was out of car tho) had simalar problem no heat when driving and it was blocked with brown gunk..good luck Quote Link to comment Share on other sites More sharing options...
Guest wildsquaddie Posted December 20, 2009 Share Posted December 20, 2009 my cabby is a 1986 Xr3i c reg, I will check all hoses for any blockages, cheers Quote Link to comment Share on other sites More sharing options...
RScab Posted December 20, 2009 Share Posted December 20, 2009 As sum of the lads hav said check coolant level are both pipes goin 2 the matrix gettin warm (if one is cold then matrix blocked) is the thermostat workin correctly water pump may be faulty (not circulating correctly) is the radiator fan comin on to early Quote Link to comment Share on other sites More sharing options...
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