Coolant over flowing while driving, not overheating, 2000 deawoo
I have replaced head gasket on 2000 daewoo nubira, drove 2 months ,ran okey,
suddenly coolant over flowing from reservoir ,replaced thermostat, coolant temp ,but same problem
any body can help me ?????????????please
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Repairing the gasket is easy and relatively cheap - 250€. Repairing a cracked head - 300€ to 700€ depending on the damage Replacing the engine is prohibitively expensive - 2000€
Prices in Romania , where this car was manufactured. Importing a new engine to NZ will make it even bigger.
is it overheating? this will cause it to preasurise excessively, causing loss of steam through the preasure cap.
otherwise if there is definately no leakage externaly when preasure tested, then it is probably leaking internaly. some cars now have EGR (exhaust gas recurculation) coolers, where coolant cools the exhaust gasses . This can leak, letting coolant into the exhaust system as steam. The only other passage for coolant leakage internally is through a leaking head gasket, or worse still a cracked cylinder head. check your oil on the dipstick, if it is creamy coloured then coolant is leaking into the oil. A headgasket/cracked head may also leak coolant straight into the combustion chamber, the only way to check this is to test for hydrocarbons in the cooling system (specialist test kit)
If the heater matrix is leaking, you would probably notice the front carpets getting damp. .