Question about 1996 Honda Civic

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96 honda civic ex runs hot

Replaced water pump, thermostat, fan repaired, no leaks,radiator cap replaced? What else can this be?

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  • airbornemom8 Aug 05, 2008

    No cracks seen

  • Anonymous Oct 30, 2008

    I had the same prob. change pump, radiator, thermostat, fan. First check if its just electrical.
    does the temp needle change if you turn on/off your headlights? you just might need extra electrical(neg) grounding on your body to engine. This solved my problem.
    Your fan might be turning alright but is it at the sufficient speed? you should hear it really blowing at a hotter temp.
    If you start your engine with the water cap removed, you must not see bubbles when you rev it, otherwise it might be the head gasket.


  • chamaraa May 11, 2010

    just for the curiosity (i also owns 96 civic) if its either of the problems, shouldn't he notice reduction of coolant ?
    or contaminant on the coolant ? (oil ..)




  • Anonymous Mar 15, 2014

    I replaced the radiator on 96 Honda accord. when I pu water in it the water ran out near the oil filter

  • Anonymous Mar 22, 2014

    Radiator leaks...fan does not work

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Try running the engine without the radiator cap. If the water is bubbling it may be the cylinder gasket if not,
check the temp needle if it moves fast when you turn on/off your headlights and aircon. if it does, you should put a grounding wire (neg) from the body to the engine. This solved my same problem.

Posted on Oct 30, 2008

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It is either a blown head gasket or a cracked head. Depending on which motor your civic has, this could be a tricky replacement, either way, you have to remove the head off of the motor, and then take the head to have it pressure checked to see if there is a crack in it. Nine times out of ten though, you can see a crack in the head with your eye, but you have to have the right "eye" to be able to see the crack.

Posted on Aug 05, 2008

  • Anonymous Aug 05, 2008

    Well, the only thing left is to replace the head gasket. If you have replaced everything else, the head gasket most likely was bad. But unless you took the head completely off of the motor, and checked the underside, you woulnd't have noticed any cracks

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sounds like the water pump might be going out.
try letting the car cool down, open rhe radiator cap and check for flow.
If you have flow detected while engine is running put the cap back on.
Once pressure builds water will pour out even faster under the car the pump is going bad.
One good indication for a bad pump is water being thrown up against the radiator after a pressure build up.
A cooling system pressure tester can be loaned to you at a local Auto zone shop.
You use this tool in place of the radiator cap and pump up pressure in the radiator and cooling system.
Once a presure is obtsined you can check for the leak location better with the engine not running.
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My mechanic told me I had a radiator leak. I replaced the radiator. The car still overheats. I have talked to my mechanic several times and now he says I need a thermostat. Whay didn't he replace the...


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