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Re: 87 Civic Overheating
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CarGuru > Honda > Re: 87 Civic Overheating 16 March 2005 10:13:02

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Re: 87 Civic Overheating

Eric 15 March 2005 02:14:46
 Michael Pardee wrote:>
"alpamsfq" <alp@m.sfq> wrote in message> news:113afl8fc4pd27­e@corp.supernews.com­...> > For the past few months (since winter really kicked in up here), my> > temp. gauge will be right in the middle most of the time while driving.> >
However, when I have it parked and leave it running, even only for a> > minute or two, the temp. gauge will quickly rise to the red line.> >
It doesn't matter if it's been running for hours or just a couple> > minutes before parking it either. Or in some cases now that the> > weather is back to summer conditions, if I just start it in the morning> > and have it running while I get stuff organized for a few minutes it'll> > start to overheat then as well.> >
Once I get moving again, it goes back down to the middle again and> > stays there.> >
Before winter though (I've only had the car since April), the temp.> > gauge would normally only be about a quarter of the way up... whether> > driving or parked. Although it has always had a "hot smell" to it> > after driving for a while in the summer then walking around the hood,> > possibly because I was still re-learning how to drive a standard> > properly.> >
Any suggestions on what the problem might be? I'm not the mechanically> > gifted type so I could use all the help I can get.> >
It sounds like the coolant is low and you have a bubble in the coolant. A> coolant flow problem is the only explanation (other than a bad head gasket> ot cracked head, which show up as overheating while driving) for it to> heat that rapidly, and since it happens at low engine speeds rather than> on the road we can expect the water pump isn't overcoming the bubble at> idle.>
Start with adding 50/50 mix of antifreeze and deionized water to the cold> radiator to top it up, and ensure the recovery tank is filled to the cold> line. This is a good time to replace the radiator cap if the gaskets are> hardened or cracked. Get a genuine Honda cap - many aftermarket caps are> really funky. I'm not familiar with your model - you may have a bleed> valve to let trapped air out also. Anyway, see what that does for you and> watch for drips or puddles of antifreeze under your car. Refill the> radiator the next couple of days anyway in case the bubble is working its> way into the radiator and see how it goes from there.>

The '87 Civic does indeed have a bleed valve for the cooling system. It is
part #10 in this diagram http://tinyurl.com/­5fono. I've found that trapped
air bubbles will rarely work themselves out of a Honda cooling system and
that the bleed valve must be used.

Eric
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Hondaman 16 March 2005 10:13:02 permanent link ]
 it's your thermostat sticking. i had one of those civics for 6 years. i had
to replace the thermostat in it once and it went back to normal. don't let
it overheat or it could cause some damage.

-jeff
"alpamsfq" <alp@m.sfq> wrote in message
news:113afl8fc4pd27­e@corp.supernews.com­...> For the past few months (since winter really kicked in up here), my temp.> gauge will be right in the middle most of the time while driving.>
However, when I have it parked and leave it running, even only for a > minute> or two, the temp. gauge will quickly rise to the red line.>
It doesn't matter if it's been running for hours or just a couple minutes> before parking it either. Or in some cases now that the weather is back > to> summer conditions, if I just start it in the morning and have it running> while I get stuff organized for a few minutes it'll start to overheat then> as well.>
Once I get moving again, it goes back down to the middle again and stays> there.>
Before winter though (I've only had the car since April), the temp. gauge> would normally only be about a quarter of the way up... whether driving or> parked. Although it has always had a "hot smell" to it after driving for > a> while in the summer then walking around the hood, possibly because I was> still re-learning how to drive a standard properly.>
Any suggestions on what the problem might be? I'm not the mechanically> gifted type so I could use all the help I can get.>
Thanks,> Chris>


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CarGuru > Honda > Re: 87 Civic Overheating 16 March 2005 10:13:02

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