S2000 Under The Hood S2000 Technical and Mechanical discussions.

Overheating again

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Old Mar 14, 2016 | 06:25 AM
  #11  
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I got the front up on ramps with a funnel attached to the rad and burped it until fins kicked and no more bubbles. Then cracked the bleed at the block and got some there. Repeated until no bubbles at rad cap and only coolant at the bleed valve. Its just weird so see that much air in there. I know I bled it good when I did the stat replacement. Just hard to believe that much air was hiding.
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Old Mar 14, 2016 | 11:26 AM
  #12  
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Originally Posted by jdmdohcpower
I got the front up on ramps with a funnel attached to the rad and burped it until fins kicked and no more bubbles. Then cracked the bleed at the block and got some there. Repeated until no bubbles at rad cap and only coolant at the bleed valve. Its just weird so see that much air in there. I know I bled it good when I did the stat replacement. Just hard to believe that much air was hiding.
It's not uncommon to find air in the system after you open up things up like you did, it must find interesting places to hide. Hopefully this solves the issue for you.
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Old Mar 14, 2016 | 11:46 AM
  #13  
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Under what conditions is it overheating? City, highway?
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Old Mar 14, 2016 | 12:02 PM
  #14  
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When one of the many coolant hoses on the intake manifold starts going south, it will start letting air seep into the system. Particularly the hose that goes from underneath the IM to the bleeder on the head. Check and make sure there's no seeping or sweat on the joint from that hose.
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Old Mar 14, 2016 | 04:03 PM
  #15  
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City
Thx will check those hoses
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Old Mar 14, 2016 | 04:55 PM
  #16  
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Originally Posted by AP1Driver
Originally Posted by outeiroj
this is somewhat of an inaccurate statement, no reason that you can not get all the air out in one shot. I would check to see what the temperature difference between the 2 radiator hoses are. if one of them is cold and the other is warm its an indication of a faulty thermostat. if they are both hot than more than likely the vehicle is still air bound and you did not get all the air out on the original bleed.
You've obviously never bled an S' coolant system, this is not inaccurate with this car, especially if you follow the manual and open both bleeders; OP, do not use the rear bleeder behind the block, just the one at the front corner of the head, and you will need to rev the engine above 3k RPM a few times during the bleed and may even need to take a short drive to force the rest of the air around to the bleeder for removal. The easiest way to do this car is with a vacuum bleeder. I've done it multiple times manually and it never works out on the "first" attempt.
your assumption is completely unfounded and incorrect, not only have i bled the cooling system on an s2000, but i have done it on many vehicles period. I spent 2 1/2 working at honda prior to opening my own shop, it has been 8 1/2 years and there isnt a single honda that has ever caused any issues. I would much rather bleed an s2000 than a chevy 3.6 or any subaru or just about anything else for that matter. just because YOU have issues bleeding a cooling system does not make it difficult
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Old Mar 14, 2016 | 04:59 PM
  #17  
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Best way to bleed any car. I've used this on my S twice and have bleed thousand of cars.

Fill it with coolant and rev the car up to 3k and back to idle, repeat until the lower rad hose is hot/fans kick on. Since the coolant in the bucket is the highest point, it'll force all the air out with no issues, problems or mess. I swear by this.

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Old Mar 14, 2016 | 05:17 PM
  #18  
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Originally Posted by fernando.
Best way to bleed any car. I've used this on my S twice and have bleed thousand of cars.

Fill it with coolant and rev the car up to 3k and idle. Since the coolant in the bucket is the highest point, it'll force all the air out with no issues, problems or mess. I swear by this.

i own one of these and use it religiously, i completely agree with this post
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Old Mar 14, 2016 | 06:56 PM
  #19  
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Originally Posted by outeiroj

your assumption is completely unfounded and incorrect, not only have i bled the cooling system on an s2000, but i have done it on many vehicles period. I spent 2 1/2 working at honda prior to opening my own shop, it has been 8 1/2 years and there isnt a single honda that has ever caused any issues. I would much rather bleed an s2000 than a chevy 3.6 or any subaru or just about anything else for that matter. just because YOU have issues bleeding a cooling system does not make it difficult
OK, wow. So you are an awesome, skilled mechanic. Able to bleed cooling systems in a single attempt. Happy for you. Meanwhile, most everyone else finds the S very difficult to bleed all the air out. Often we have to keep at it to get all the air out, and when we're sure we have it all, somehow there is more air. Yes, we are inferior to you. We apologize for not recognizing your greatness.

But since the OP is apparently also mortal, he is perhaps also having similar issues getting all the air out of his system as well. So perhaps it was good advoce to the OP that he should bleed his system again after all...

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Old Mar 15, 2016 | 04:02 AM
  #20  
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OP..is there a chance you have a coolant leak? You said the car was fine before storage.
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