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Car Forum / Honda Cars / November 20051992 honda civic ex
I need to know a question? I went for a spin on my car, it was the first time i really turned on the heat in this year,all of a sudden my car starts to over heat. I need to know why would this happen, give a little advice on what it might of caused this to happen, it was runnig ok all the time till last night. When, if ever, was the thermostat last replaced? If it was replaced, was OEM used? > I need to know a question? I went for a spin on my car, it was the first > time i really turned on the heat in this year,all of a sudden my car > starts to over heat. I need to know why would this happen, give a little > advice on what it might of caused this to happen, it was runnig ok all the > time till last night. I dont know because i bought the car a month ago and the person told me that they had replaced the waterpump not long ago.. Okay. Here's my recommendation: First, with the car COMPLETELY cold (like after it's been sitting overnight), take off the radiator cap and check the level of coolant in the radiator. (If you do not let it cool, the system will be under pressure, and removing the cap is dangerous.) Then start the car and let it reach normal operating temperature on the temperature gage. Turn off. Check the level of coolant in the reservoir. It should be up to the maximum line. If not, fill to the maximum line. Repeat these checks in a day or so. If the levels go down significantly, then there may be a leak somewhere. If the levels stay pretty steady, then I would start by replacing the thermostat. Buy an OEM one from a Honda dealer or independent shop dedicated to OEM Honda parts. They are only around $20. This is a do-it-yourself job if you're at all handy. Free online manuals are available. -- Honda home studies: http://home.earthlink.net/~honda.lioness -- > I dont know because i bought the car a month ago and the person told me > that they had replaced the waterpump not long ago.. Thank you for the info, i have been doing some research my self on the net i will check all these little things before i go spend lots of money on a mechanic that is certainly gona lie to me because thats how they make a living, thank you again. > Okay. Here's my recommendation: > > First, with the car COMPLETELY cold (like after it's been sitting > overnight), take off the radiator cap and check the level of coolant in the if its low? what then? the OP doesnt know how well the thing was refilled, or what with. sucks. for all we know, it could been filled with tap water, or tap water and regular prestone. i would ASSume the water pump replaceing person refilled with the wrong stuff, and with the heater off. turning on the heater likely made the level drop. if it was my car, id do a complete drain/refill with the heater ON using a 50/50 mix of prestone orange dexcool/distilled water. including flushing/replacing the stuff in the overflow. THEN id follow the rest of these steps... > radiator. (If you do not let it cool, the system will be under pressure, and > removing the cap is dangerous.) Then start the car and let it reach normal [quoted text clipped - 16 lines] >> I dont know because i bought the car a month ago and the person told me >> that they had replaced the waterpump not long ago.. > Elle wrote: > > Okay. Here's my recommendation: [quoted text clipped - 3 lines] > > if its low? what then? > the OP doesnt know how well the thing was refilled, or what with. Sure. But it's not supposed to be low. If it is, that's arguably a first suggestion of what's amiss. I'm urging collection of data to help with diagnosis. In this instance, I think having a benchmark is very helpful. Checking levels doesn't take any serious time. > sucks. > for all we know, it could been filled with tap water, or tap water and [quoted text clipped - 3 lines] > stuff, and with the heater off. turning on the heater likely made the > level drop. I agree it's reasonable to suspect a connection between the car's problem and the water pump replacement job. I'm not ready to /assert/ such a connection yet, though. > if it was my car, id do a complete drain/refill with the heater ON using > a 50/50 mix of prestone orange dexcool/distilled water. including > flushing/replacing the stuff in the overflow. The cooling system could have a leak. So I suggest checking for indications of these, first. If there's no leak, and if the OP has the necessary time, inclination, and money, I would ultimately push for a full coolant change as well, doing what you say above, though noting that using OEM coolant is certainly fine, too. (For the OP: Like Mike, I use the orange Dexcool. I have a 91 Civic.) I'm just hoping he doesn't have, in I guess the worst case, a blown headgasket or the beginnings of one. If i have the begining of a blown headgasket then i will see oil in the antifreeze correct? and if its an average on how much it's normally cost? Oil in the antifreeze, antifreeze in the oil, consumption of anti-freeze (and so lowering levels in the reservoir) and more can all be signs of a blown head gasket, yes. Googling yields a lot of ways to check for symptoms. Do not drive the car if it's seriously overheating. Keep a jug of 50/50 distilled water/coolant with you. Driving while overheated can do much more damage, as you may know. E.g. warped cylinder head. -- Honda home studies: http://home.earthlink.net/~honda.lioness -- > If i have the begining of a blown headgasket then i will see oil in the > antifreeze correct? and if its an average on how much it's normally cost? > If i have the begining of a blown headgasket then i will see oil in the > antifreeze correct? and if its an average on how much it's normally cost? symptoms are usually: oil in the coolant, coolant in the oil, extreme loss of coolant or extreme coolant pressure. > I need to know a question? I went for a spin on my car, it was the first > time i really turned on the heat in this year,all of a sudden my car > starts to over heat. I need to know why would this happen, give a little > advice on what it might of caused this to happen, it was runnig ok all the > time till last night. Turning the heater on had likely dropped the coolant and the thermostat isn't opening. If you don't bleed it now, the coolant could boil and eventually flush the coolant out thru the reservoir. > If i have the begining of a blown headgasket then i will see oil in the > antifreeze correct? and if its an average on how much it's normally cost? Also, look for small, but constant, bubbles with the filler neck open. |
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