1993 Honda Civic, 200,000ish km, someone mentioned a "frost plug" to me, as the water pump and the timing belt are next to new. Problem is, I don't know where and what exactly I should be looking for. The antifreeze is definately coming out from the lower drivers side and back of the engine : ) Help Any diagrams would be absolutely fantastic. Thanks.
Fill it with water and start your car. find out where it is leaking exactly, you may have to give it gas to find some leaks so play with the throtle. may be your head gasket as well so check for water in your oil, i would bet its your hoses at the connections though.
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On the water pump there is a weep hole when the pump fails they tend to leak out of the weep holes. Its also possible the water pump seal failed too. On this car the timing belt drives the water pump. If you drive on it and the pump locks up. You will be replacing the motor or the whole top end of the engine due to bent valves. Its time to replace the water pump and timing belt. Then you will be good to go again. So do not drive it for the sake of saving your engine. I'd tow it in to the shop or replace the belt and pump yourself.
The water pump is located underneath the timing belt cover, on the drivers side of the engine. To swap the water pump, you need to remove the timing belt cover, timing belt, and the timing belt tensioner. I usually tell people that this can be done in a day, but sometimes not ! Also, all of the other drive belts , such as Air conditioning and the alternator belt all need removed too.
hi from uk the 1st thing to do is check for coolant leak/s you mentioned that you filled up coolant first time o/heated then 10miles and o/heat and loss of coolant ? so there hopefully is a coolant leakage which can easily be fixed diy ? once you locate leakage come back with info so we can help/advise ? then the other question is what is other possible senario ? possible head gasket ? or the water pump which is driven by the cambelt is leaking these possibilities will cost more to fix by garage but not beyond diy if you wish to ?? the point thatdrove 50 mls home ok then another 10 mls b4 you checked coolant ?? oil etc ? rquires some thought as to was this reason for selling ? due to some coolant leakage that prev owner knew of but could not finance repair ? it is not my intention to worry you at this stage but sincerly hope it is a simply fault as i mentioned above SO if you check things i listed and oil level etc also look for any sign that work has recently been done around engine ie clean parts etc if you find anything by all means come back with as much info /symptoms as you can then hopefully we can sort this for you keep thinking positive waves! not negative ps just had a thought! last night here in n/west uk there was very severe frost/freeze and if you had same at your location ? you may have suffered frozen pump / rad / hoses ? resulting in the symptoms you have once engine warms hopefully so will keep finger crossed for you please update best wishes from uk
These water pumps are integral with the timing belt you must replace the timing belt with the water pump because the leaking water pump and antifreeze on the timing belt causes deterioration of rubber belt thereby causing imminent failure of timing belt destroying valves $$$ google" interference engine" for an explanation of interference engine