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Second Generation Legend (1991-1995)

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Old 03-05-05, 12:33 PM   #1 (permalink)
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cleaning throttle body

i am gonna be doing this tommorow, i bought some junk air intake spray, but the directions on cleaning the throttle body on the spray are kinda wierd. anyway, i am planning on taking the throttle body out and cleaning it, whats the best way to clean it once its out? shoudl i just spray this can all over and wipe it down?
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Old 03-05-05, 12:43 PM   #2 (permalink)
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This is pretty easy. The most important step is cleaning off all the old gasket and putting a new one on. I usually take the spray and a tooth brush and spray it down. Let it sit a few minutes, then scrub it to death. Make sure you scrub all around the butterfly and the butterfly itself, even the edges. This is where you get the most advantage. You only need to clean the inside of the intake where the butterfly is and the idle adjustment hole. The outside is up to you, but I would just use soap and water. Make sure you let it dry completely before you hook that TPS wiring back up if you wash the outside. Also make sure you remove the idle adjustment screw and clean it and the hole. Pipe cleaners work well in the hole. After all that it is just taking it off, putting it back on, reseting your idle adjustment screw, and bleading your cooling system. Have fun!
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Old 03-05-05, 01:12 PM   #3 (permalink)
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EASY PEASY LEMON SQUEASY mm yea very easy i do it ever now and then i got this stuff at pep boys and its i think from crc not sure but anyway it says take off the resinator box and piping into the throuttle body then place a rag under neither the opening of the tb then spray more the butterfly valve back and forth to get all grud. frist time i did this it WAS NASTY wut came out 100k miles andnobody had done it
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Old 03-05-05, 01:53 PM   #4 (permalink)
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i dont wanna get that stuff in my engine, so i think its better to take it off, then spray it and have it work its way out the engine.
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Old 03-05-05, 02:53 PM   #5 (permalink)
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Quote:
Originally Posted by hotstartup
i dont wanna get that stuff in my engine, so i think its better to take it off, then spray it and have it work its way out the engine.
This is a much better aproach because you can not properly clan all of the TB on the car, and when I have tried just spraying that cleaner in I got some wierd smoke out the exhaust afterwards. It went away, but any smoke makes me nervous.
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Old 03-05-05, 02:54 PM   #6 (permalink)
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wut i used sait its safe if it goes through the engine
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Old 03-05-05, 03:07 PM   #7 (permalink)
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Quote:
Originally Posted by bboarder711
wut i used sait its safe if it goes through the engine
It might be safe for the motor, but I guarantee you that you can not porperly clean a TB still on the car. There is no way for you to scrub the full area and both sides of the butterfly and the edges. This is where the cleaner makes the most difference.
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Old 03-05-05, 03:11 PM   #8 (permalink)
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Quote:
Originally Posted by sleeprlegendcp
It might be safe for the motor, but I guarantee you that you can not porperly clean a TB still on the car. There is no way for you to scrub the full area and both sides of the butterfly and the edges. This is where the cleaner makes the most difference.
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oky next time ill take it off
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Old 03-05-05, 03:30 PM   #9 (permalink)
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Quote:
Originally Posted by bboarder711
oky next time ill take it off
I do this every other oil change. But on a G1 you don't have a gasket to worry about so it is much easier. The gasket is cheap, but cleaning off the origional gasket completely takes some patience. That is where I failed in my first attempt on doing this to a G2.
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Old 03-06-05, 06:41 PM   #10 (permalink)
 
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What's the added benefit in cleaning out the throttle body? I cleaned out and I notice it ran a little better or it's in my head?
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Old 03-06-05, 07:13 PM   #11 (permalink)
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its prolly in ur head.
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Old 03-07-05, 12:07 AM   #12 (permalink)
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Quote:
Originally Posted by hotstartup
its prolly in ur head.
not entirely when i first did mine at 100k my rpm droped from like 900-1000 to like 700-800 and i also couldnt hear/ tell if the motor was running i had to pop the hood to make sure

now its in my head when i ddo it w/ every oil change
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Old 03-07-05, 03:16 AM   #13 (permalink)
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i cleaned out my friends TB yesterday, i dont think it will make much of a diff at all, and you can probably clean the same amount by just moving the butterfly, spraying inside and wiping it down. if you got skinny fingers you can probably just do that and it'll be just as clean, as getting the TB off. on the other hand, getting the TB off is real easy
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Old 03-07-05, 03:52 AM   #14 (permalink)
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Quote:
Originally Posted by hotstartup
i cleaned out my friends TB yesterday, i dont think it will make much of a diff at all, and you can probably clean the same amount by just moving the butterfly, spraying inside and wiping it down. if you got skinny fingers you can probably just do that and it'll be just as clean, as getting the TB off. on the other hand, getting the TB off is real easy
wasent that dirty then??
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Old 03-07-05, 04:01 AM   #15 (permalink)
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unless it has build up (highly unlikely) you dont need to clean your tb. the reason your revs dropped is probably from you moving your throttle cable.

this is not worth the time spent doing it. engines are not that fragile.
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