Question about 1991 Honda Civic

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1991 Honda Civic overheating

The timing belt broke so I had it replaced by a mechanic. This is the second t. belt and the car has 190,000 miles. The mechanic thought the water pump looked fine so I told him not to replace it (dumb on my part). Shortly thereafter, the car started overheating intermittently. I immediately replaced the thermostat. It still overheated intermittently. I next replaced the radiator cap, overflow tank, and finally had the radiator flushed (in that order). After all this the car still overheats. Now the water pump doesn't seem to be leaking nor is it making any unusual noises. At some point during all this I also replaced the fuel filter because once in awhile the car doesn't idle worth a darn and I thought this would fix it. It didn't.


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  • fischer_just Nov 13, 2008

    What could be making the car overheat?

  • fischer_just Nov 13, 2008

    What could be making the car overheat?

  • fischer_just Nov 13, 2008

    No, the water pump was not replaced.

  • fischer_just Nov 13, 2008

    The car has about 190K miles and the water pump is not leaking. I think that the water pump was last replaced at 80K miles

  • fischer_just Nov 13, 2008

    The mechanic never informed me about to the color of the coolant or whether or not the cooling system was drained when the timing belt was replaced.

  • fischer_just Nov 14, 2008

    When I changed the t-stat the coolant looked fine. But this could have been from the mechanic draining the cooling system and putting in new coolant when he changed the timing belt or it could be that the coolant was in good shape before any of this happened.

  • carolsbosik Jan 04, 2009

    my car is a 97 honda civic with 193k. It runs fine accept when I let it
    idle and found it over heating in the range of HHHHH nothing
    happened like usual over heating. I was just putting air conditioning
    additive in it and happened to notice notice the temp gage to the
    tilt. It has happened every now and then, i also notice it has
    been burning oil quite a bit. Like about 1 qt. every 1000. to 2000.

    miles which I know from being an honda owner for 20 years that is quite
    alot. Does not smoke at all and does not leak. I have a real
    trustworthy mechanic that is why I keep honda's. But y9ou know the
    hassle of bringing it over and finding rides ect.I just blew out the
    radiator cap and hoses clear

    still runs high oil is fine in level. any suggestions?? hey also I am a woman so give me a brake. just trying to save some $$$$

  • blue honda Apr 01, 2009

    1991 Honda Accord overheating-my machanic said that I need a new water pump and timing belt I can see that the overflow ank for the water is a rusted color-i dont understand this cause my overflow tank looks like its plastic. I havent done anything to it yet cause of my money situation cause I dont want to spend money on a water pump and timing belt if i dont have to right now. What should i do? do you whink it is the overflow tank for my water? what should i do?

  • Anonymous Apr 07, 2009

    my car is 91 honda civic, had lots of stuff fixed on it recently but still managed to overheat...have taken out thermostat now to avoid this as car still runs.
    can't tun air con now as take all power out of motor

  • yadayada
    yadayada May 11, 2010

    You changed the t-stat and you didn't notice the coolant condition???

  • yadayada
    yadayada May 11, 2010

    Was the cooling system drained when the timing belt was replaced? Was the coolant rusty or otherwise discolored?

  • yadayada
    yadayada May 11, 2010

    That may be the problem, how many miles on the car? You mentioned the water pump leaked, is that correct?

  • yadayada
    yadayada May 11, 2010

    Was the water pump replaced?

  • yadayada
    yadayada May 11, 2010

    I am not sure what you are asking



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Hi justin my name is brad i see you are haveing a problem and i think i might know the problem. if you have done all of that to your car and it still over heating you might have a blown head gasket one way to check is to pull your thermostat out and fill your coolant leaving the cap off then start you car let it rrun a few minutes and if you see bubbles the radiator its the head gasket even though you wont have coolant in your oil or out the tail pipe. if you check that and ther is no bubbles i have one other spot for you to check ( dont know if you have the 1.5 or 1.6 sohc ) but if you have the 1.6 sohc with the mpfi you should check on the throttle body at the idle air control valve(IAC) you will see two small line`s that have coolant some times on hondas in the 4GEN(88-91) with high millage the line will fill with crud and that can cause a problem.. if you have any other honda needs please let me know

Brad Ross

Posted on Nov 15, 2008


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1991 B2600 190,000 miles radiator flushed,

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Remove the valve cover, and watch the cams while cranking it. My best guess is that one if them is not turning. This would explain why there is only compression in once cylinder. Sure the timing belt may be in tact, but if the cam guide pin is sheered off, and bolt that holds gear to the cam is loose, it will cause this.

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Not at all unusual for the timing belt to break and cause major mechanical problems inside of your engine. A failed timing belt can totally destroy your engine due to the extremely close clearences. That's why the strongly recommend a preventative replacement of the timing belts in all Hondas and Toyotas at specified mileage frequencies between 70,000 and 120,000 miles. Change the timing belt before it destroys the engine. You may now be at a point where only the Honda Dealer or authorized garage may be able to help diagnose the problem.

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Overheating after timing belt change


If you took the car into this Garage , for just the timing belt, and then after there repair, you developed the overheating, then the problem should lie with them.

Did the car ever overheat before you took it too them ?

If not, go back and ask to see the Service Manager, and give him your grievance, that if they do not fix it, you will sue !

Good Luck !

P.S. Don´t forget to give me a rating please !


Jan 20, 2009 | 1991 Honda Civic

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1992 Honda Civic over heating replace theormostat - still overheating air bubbles in overflow jug and in radiator when running with cap off...

here is a check list for common overheating issues low coolant? Any leaks? A headgasket leak? To test that use a coolant mix tester. Do the cooling fans run with the engine hot? Is the rad cap holding pressure? This can be tested usually its easier to swap it with a working one or buy new. Lastly the waterpump and timing belt. If the timing belt if old/high mileage or the tensioner faulty it can cause overheating. The common practice is to replace the timing belt every 100,000miles along with the waterpump and the belt tensioner

Dec 28, 2008 | 1991 Honda Civic

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