The car starts fine in the morning, oil levels are fine, water in radiator and reserve tank. the ac cools well. the problem is common when the engine is hot and get into long traffic jam, the car makes a drop sound, when u move then the car won't exceed 20km/h and u hear a change in engine sound,if u contiune driving or force the car to move faster overheating starts. but if the car is parked and allowed to cold down for one hr or more the car starts smoothly and moves again.
Car is cold and moving is OK if not moving getting hot could be thermostat stuck close or rad.is clog.
SOURCE: 1995 honda civic, while driving engine gets hot & cold?
I used to have this problem too on my 95 Honda Civic EX. It would get hot then it would cool down when I stopped. I replaced the thermostat and it took care of the problem. I am not a mechanic but it was real easy to change out. I bought it at Auto Zone and they even gave instructions on how to replace it. Also don't forget to buy the new seal for it. Hope this helps.
SOURCE: 1989 Toyota Land Cruiser overheating- REPLACED ENTIRE COOLING SYS
Do a cylinder leak down test. Hook up a airline to each spark plug hole. Bring each cyclinder to tdc and listen for air leak. Possibly in the radiator. You can also reverse the process by doing a radiator leak down test. If you hear bubbling in the radiator bad head gasket. Remove and replace head gasket.
SOURCE: My 2004 Honda Civic just overheated. What could it
it looks like that you cooling fan is not working, check the fan when temperature is up if its not working than check the fuse for the cooling fan, if its ok than check the current at the fan end if you fund the current the fan is faulty replace the cooling fan.
SOURCE: 2002 civic ex overheating
with your description it sounds like your fans are not coming on, also sounds like the problem was never solved, sounds like you threw a lot of money at your problem also... check to see if the fans are coming on at the right times, seems like a n air movement over the radiator since you say it only gets hot in stop and go traffic... well when your driving at a constant highway speed guess what you have air movement through the radiator... check also a clogged ac condensor with bugs, pressure wash it out so the air can pass through it easily... please rate my help thanks
SOURCE: OVERHEATING, engine temperature rises up?
think impeller drive is slipping on the drive in the water pump
Testimonial: "Thanks I did not think of that , now I can start on that idea"
For car running hot and overheating issues,i suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems :----Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?
http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?
http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html
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Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
--------overheating? http://schematicsdiagram.blogspot.com/2011/12/buick-century-overheating.html
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
----------This details will help.Thanks.
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