Throttle Body Cleaning - Mazda Forum
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post #1 of 19 (permalink) Old 04-11-2007, 11:24 PM Thread Starter
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Hi. I plan to clean my throttle body and IAC valve. Some questions:

Should I take out the throttle body or it can be done in place?

What should I remove, resonator, intake hose?

Any tips, tricks, i dont wanna push the dirt into s/c actually.

I plan to use seafoam deep creep spray... Will take pics.. Thanks for any help..

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post #2 of 19 (permalink) Old 04-12-2007, 12:08 AM
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I use the BG Air Intake Cleaner, it's good, I used it for years at the dealer and it helps clean the manifold runners as well. Take off the resonator and spray the TB while it is still in place. Work the throttle plate while you spray. The car will start hard and smoke a bit when you are done. Throttle response will be smoother but it won't add any power. Keep a shop rag below the TB to catch any drips and use a clean rag to wipe up when you are done.


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post #3 of 19 (permalink) Old 04-12-2007, 10:52 PM Thread Starter
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Do you think i can clean IAC valve without removing? bcause my concern is IAC. My car has some erratic idle after warmup, usually low idle.. I fixed the vacuum leaks, and now it is the IAC on the list.. Thanks a lot..

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I use the BG Air Intake Cleaner, it's good, I used it for years at the dealer and it helps clean the manifold runners as well. Take off the resonator and spray the TB while it is still in place. Work the throttle plate while you spray. The car will start hard and smoke a bit when you are done. Throttle response will be smoother but it won't add any power. Keep a shop rag below the TB to catch any drips and use a clean rag to wipe up when you are done.[/b]

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post #4 of 19 (permalink) Old 04-13-2007, 10:52 PM
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Honestly, I don't even know where Mazda stuck the IAC. Also I am driving the 2.5, not the 2.3 so any info I give you will not apply to your engine.


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post #5 of 19 (permalink) Old 04-14-2007, 02:23 PM
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are you intending on cleaning the intercooler grill? mine needs one

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post #6 of 19 (permalink) Old 04-14-2007, 03:04 PM Thread Starter
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Intercooler has nothing to do with throttle body or erratic idle. But if you need a how to guide i have one. Pm me with your email i will send it to you..

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are you intending on cleaning the intercooler grill? mine needs one[/b]

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post #7 of 19 (permalink) Old 05-11-2007, 12:10 AM Thread Starter
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All right here is what i did:

- Take out the dynamic chamber cover (2 bolts), take out the rear intercooler duct (3 bolts)



- Take out the air filter (4 clips, two sensors wire harnesses (MAF, temperature)), loosen the large hose clamp.



Sensors inside the cover:





- Now the resonator. It is the weird shaped black box between TB and air filter. It is held by 3 bolts, one close to tranny stick, one close to supercharger and one deep below the filter box. There are 4-5 hoses as well.

loosen the bolt at the TB. The problem is here. That thing is so tight there so i tried not to break anything. It is stuck between the bolt at the bottom and TB intake. First take it out at the TB end, i had to pry it. Then it is done. Here is the TB:







No oil in s/c

I used seafoam deep creep, but not sure if it is the best. It worked for me.. You may wanna use a toothbrush as well. Be careful not to damage the TB blades. After cleaning:





Installation in reverse. Do not forget to clean air filter before putting in! The only hard point is resonator and i prolly wouldnt do it. It cost 3 days of backpain. Some increase in throttle response. My idle still not so good but somewhat better..

...Edited...

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post #8 of 19 (permalink) Old 05-11-2007, 01:50 PM
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On the 2.3 the IAC is right beside the engine hook on the drivers side. 6-8" ahead (closer to rad) of the throttle body.

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post #9 of 19 (permalink) Old 05-11-2007, 03:51 PM Thread Starter
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Are you serious? I cleaned the wrong thing?


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On the 2.3 the IAC is right beside the engine hook on the drivers side. 6-8" ahead (closer to rad) of the throttle body.[/b]

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post #10 of 19 (permalink) Old 05-11-2007, 04:20 PM
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Then the question would be...What did you clean?


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