1999 Honda Civic LX 1.6 OVERHEATING ISSUE | |
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Anonymous Coward User ID: 1518556 United States 09/07/2011 12:24 PM Report Abusive Post Report Copyright Violation | I have a 99 Honda Civic and it is overheating I took the Thermostat out and check the fans and there good and even checked to see if the spark plugs where fouled with water and maybe the head gasket and even felt both hoses to the heater core and they where hot so that is a good sign... but it over heats at any speeds mainly idle speeds and it stays cooler why the heater is on full blast. any idea's it has 191,000 Quoting: Anonymous Coward 1539027 I have a 98, had a similar issue. Replaced the radiator myself, pretty easy. Probably should check your water pump fuse. Your pump could be bad as well. You should take it to an autozone and see if it throws any error codes on their computer. |
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unahaunter User ID: 1510022 United States 09/07/2011 12:26 PM Report Abusive Post Report Copyright Violation | It may be your fan switch. [link to honda-tech.com] |
Anonymous Coward User ID: 1534868 Canada 09/07/2011 12:28 PM Report Abusive Post Report Copyright Violation | It may be your fan switch. [link to honda-tech.com] Quoting: unahaunter Yes...make sure the fan starts when engine hot. But that wouldnt overheat at high speeds. |
Librarian User ID: 1305614 United States 09/07/2011 12:47 PM Report Abusive Post Report Copyright Violation | Yes - do a flow test. Drain system, remove lower hose from radiator and flood with garden hose through radiator fill hole. Should flow fast unless there is core blockage. If flow looks OK then check water pump. |
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1991 honda User ID: 1504169 United States 09/07/2011 12:51 PM Report Abusive Post Report Copyright Violation | |
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Anonymous Coward (OP) User ID: 1539027 United States 09/07/2011 01:03 PM Report Abusive Post Report Copyright Violation | I Checked the hoses already and they are fine when it comes to the pressure and hearing the rad fluid moving and i hooked the rad fan strait to the battery the heater core seems fine and I took the Thermostat out checked all fuses and switched relays and still overheating and thanks to all for the advice |
Mindgamez User ID: 1539099 United States 09/07/2011 01:06 PM Report Abusive Post Report Copyright Violation | This is not the Forum site for this. Go to www.Honda-tech.com. As for your problem, could be a number of things, The thermostat could not be opening up, is your fan turning on, is your radiator working properly. The reason it runs hotter at idle is while you are moving the air cools the engine. When u blast the heat it takes some of the heat outa the engine bay, its a trick you do when your car is overheating. Go to Honda-tech you will have a lot more help than here. (and it could be your water pump, most fins on the honda's are metal and dont wear off though. Last Edited by Mindgamez on 09/07/2011 01:08 PM |
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Anonymous Coward User ID: 1227280 United States 09/07/2011 01:30 PM Report Abusive Post Report Copyright Violation | nvm didnt read clearly first time, just pressure check it at rad cap and see if it holds, if it doesnt, typically, you will see a leak that is causing a drop in pressure. for every 1lb of pressure exerted on a cooling system=250f hotter your coolant can go w/o boiling, the coolant will be allowed to get hotter than boiling, w/o boiling. So, if you have a leaking gasket/radiator/hose/whatever, it would make sense that it would cause a pressure drop which would then cause it to overheat and lose cooling system pressure. The water pump, though, could be out, since that is where the pressure comes from, and heat. |
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Useless Cookie Eater User ID: 29696048 United States 02/07/2013 05:50 PM Report Abusive Post Report Copyright Violation | I Checked the hoses already and they are fine when it comes to the pressure and hearing the rad fluid moving and i hooked the rad fan strait to the battery the heater core seems fine and I took the Thermostat out checked all fuses and switched relays and still overheating and thanks to all for the advice Quoting: Anonymous Coward 1539027 Taking out the thermostat doesn't prove anything. Some cars will overheat without it. It could just be a bad thermostat. Replace it with a new one. Begin there. Thermostats are cheap. |
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Anonymous Coward User ID: 33283062 United States 02/07/2013 05:53 PM Report Abusive Post Report Copyright Violation | I have a 99 Honda Civic and it is overheating I took the Thermostat out and check the fans and there good and even checked to see if the spark plugs where fouled with water and maybe the head gasket and even felt both hoses to the heater core and they where hot so that is a good sign... but it over heats at any speeds mainly idle speeds and it stays cooler why the heater is on full blast. any idea's it has 191,000 Quoting: Anonymous Coward 1539027 Check your ooil dipstick if it is high with milky stuff llook under it whiile running foor leaks theses things can be difficult ta pinpoint. |
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bill shitters 1.2 User ID: 19820209 United Kingdom 02/07/2013 06:55 PM Report Abusive Post Report Copyright Violation | It might not be fitted to your jap mobile Some cars have some spring type resistors in. The fan feed so as to have a normal spin then when in over heat will spin faster Check the fan operates at about 85 ish celcius The retired thread killer Still the killa of threads we come in peace shoot to kill [link to au.youtube.com] I can not talk TO aliens but do listen to the anally probed |
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Useless Cookie Eater User ID: 29696048 United States 02/07/2013 07:17 PM Report Abusive Post Report Copyright Violation | you need to run it down the road real hard and get it real hot, then remove the rad cap...be sure to put your ear right up to it when your doing it so you can hear if it bubbles. Quoting: Anonymous Coward 33687067 if it does your water pump is bad. Make sure you call 911 ahead of time and have the ambulance close. |