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I have a 2005 Honda Civic ex with 65,000 miles. I have replaced the radiator, the thermostat, the water pump, the timing belts and the fan switch and the car still overheats. The last repair was the fan switch, they tested it for a week and it didn't overheat. I drove it for about an hour on the highway and it started to overheat as soon as I got off the highway and stopped at a light. Compression tests don't show anything but the shop still thinks it could be the head gasket and they want to replace it. There is no sign of coolant mixing with the oil and there is nothing strange coming out of the tailpipe. Has anyone else had this problem? Could it be anything else besides the head gasket?

 
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If your compression is good and there is nothing in the oil and you are not losing coolant then it is not a head gasket. That is stupid that they would even suggest that. To me that makes it look like they are retards and are just throwing parts at your car so that you keep paying them for labor.

If you ARE LOSING COOLANT!!!!!!!! it is a head gasket.

 
Rep Power: 193

It's common for these cars not to show the common blown HG symptoms (oil/coolant mixing, white smoke, lack of compression).

Are you going through any coolant? Check the radiator, not the overflow. It may not be going through much but these cars only hold about a gallon of coolant and don't have much reserve capacity.

Driving on the highway increases the pressure in the cooling system (due to high rpm) and will accelerate the leak.

Blown HG's are common in 7th gen Civic's, usually the only signs are overheating and going through small amounts of coolant.

 
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I said IF^

 
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Yeah, but it will be a head gasket.

 
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sorry, D17 acts differently.
https://www.civicforums.com/forums/3...reference.html

 
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if you are NOT LOSING COOLANT AT ALLLLLLLLLLL, how on earth can you have a head gasket leak that is causing ANY motor to overheat? If you put a gallon of coolant in a 1gal system and still have 1 gal of coolant is said system after running it up to the point of overheating, how does that indicate that you have a leak between 2 points that would 100% of the time cause you to lose coolant?

 
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That reference says nothing other than what i said already. I never said losing coolant into the oil. If you have a blown head gasket, you WILL lose coolant. Not always into the oil though.

 
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The OP never said if he/she was losing coolant or not.

 
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THANK YOU! i wasn't going to say it. People tryina put words in my virtual mouth n junk. Sheesh

 
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beg your pardon?!? YOU put words in the OP's mouth by saying that she is NOT loosing coolant... sheeesh.

 
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I'm not getting into a pissing match over this. I never said that. Post#2 is full of IF's that the OP never answered n ppl just started picking apart what i said instead. Sorry i tried to help. I'll edit it now.

 
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sorry, she still needs it as reference to understand why things came to this...
it won't help her if you edit your post...

and they already did throw most parts that are related to her car... except that they should have done gasket when they did WP/TB...

 
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Hmmm.....

 
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^ lolza!!!!

 
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Haha yeah that is my opinion as well. They should've just read your overheating reference and skipped all the other crap they made him/her buy.

 
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It seems the throwing parts at it method is common with mechanics these days.....

 
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Management thinking:

All cars have 4 wheels, therefore they are all exactly the same.

Anyone with a shoebox full of tools has the exact same abilities, experience and talents as the next person.




This industry is FULL of people that work on cars.
Far fewer can actually solve problems and fix them.

 
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oh now come on. You're speakin all logical an stuff.

 
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It is easy for management to fix a car. All they have to do is yell at the employees and the car gets fixed. Simple.

All jobs only take 15 minutes.

If management yells at you in front of other employees, you will do much better, and the other employees will too.

All problems can be solved by firing an employee.















Solving a Rubiks' Cube is easy when you are color blind.

 
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^^^New tagline.

 
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Awww, I'm gonna miss plastic jesus.

 
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I am having the same issue with my 2005 Civic EX with 91k miles. I have changed the Temp switch in the thermostat housing and thermostat. I also replaced the other coolant switch above the thermostat housing. I read over the page that was recommended. I am NOT losing any coolant. Which has me very confused I haven't replaced my cap yet. I so don't want it to be the head gasket. Can the recommended combustion leak be purchased at a local parts place?
Both fans turn on with the AC but the single fan doesn't seem to want to turn on. Would the Relay be bad possibly or since they both turn on with the AC does that rule that out?

The guys at the parts store said it could be a clogged system. The radiator was replaced approx 2 yrs ago due to impact from somebody dropping wood in the road and it busted the radiator.

It started to overheat literally the day I was going to trade it in on a new Civic....

I'm sorry if these questions were covered in the page recommended. I've been reading over pages and pages until my eyes are crossed.

Thanks for any info. . .