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Old 05-14-2004   #1 (permalink)
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DIY: Throttle-Body Heater Bypass

This is a minor mod that helps keep the air going through your throttle-body cooler. There is a Throttle-Body Heater that is attached to the left side of your throttle-body.(blue arrow) This heater keeps your throttle from freezing in the wide open position by circulating hot fluids through it, thus heating it up and transferring the heat to your throttle-body. But this is only a concern in the colder regions. This mod is a very simple modification that can be reversed or put back to normal at any time.



The following is a picture of the area before the modification: (donated by ph0ng)


 



For this mod you will need:


Pliers and a section of 1/16" pipe/tubing about two inches long.





1. You will need to remove your stock airbox if you still have it. If you have a CAI or SRI, you should be able to complete this mod without removing the intake.



2. You need to locate the inlet and outlet hoses that connect to the Throttle-Body Heater.(red arrows)



3. After you locate the hoses, use your pliers to loosen the clips/clamps and slide them back away from the TB heater.



4. Next you can remove the hoses from the throttle body heater. A little bit of greenish fluid (antifreeze) may leak out as you are removing them, but this is not a big deal. I had to use a screwdriver to gently pry mine away from the heater. Over time they will be heated up enough to form a pretty good seal. If you use a screwdriver, use a very small one and be careful not to fo(k up the hoses.



5. Once you have the two hoses removed, you will need the piece of pipe or tubing. You can purchase a piece of small pipe at your local Discount Auto Parts or Autozone it will need to be at least 2 inches long. I'm not sure the exact diameter that you need, but I know it's less than 1/8". After you find piece that will fit into the hose, you will then slip half of the pipe into one hose, and the other half into the other hose. Essentially, you are trying to connect the inlet and outlet so that they will continue to circulate the fluids.



6. Now that you have the two hoses connected by the pipe, you can slip the clips/clamps back up to the end of each hose.



After you finish the 6 steps above, just make sure that the two hoses that are connected can rest without having any kinks in them. When I was finished, I found another piece of hose about 4 or 5 inches long that I could slip over the inlet and outlet on the Throttle-Body Heater...just to keep things from crawling in there or whatever. You know, I'm anal like that.



Well, I guess that's it. Overall, this is a very easy mod. It only took me about 10 minutes to complete. If you have any questions, post them here, e-mail me, or P.M. me. Also, I don't have a pic of the final mod right now, but I will try to post one below this.



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Tags
2001 , antifreeze , body , bypass , civic , cooler , heater , honda , hose , instructions , ivtec , picture , remove , removing , si , throttle

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