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Old 12-12-2010, 04:21 PM   #1
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"Do not clean" 05+ throttle body?

Hey guys, so in preparation for a road trip this past weekend I was doing some little tune-up and general maintenance stuff (checked all fluids, tire pressure, cleaned and re-oiled air filter), and I was about to clean my throttle body with some aerosol throttle body cleaner I picked up at Auto Zone a while back. Luckily, I forgot that you use that stuff without actually removing the TB, because I grabbed my Haynes manual to see how easy removing it was. When I was reading through it, there was a precaution about coatings inside throttle bodies, and it said under no circumstances to use any sort of solvent cleaner on 05+ Foci.

So question is this, what did they start doing in 05 to the TB to make it so you're not supposed to clean it? Is it a different kind of coating or something?


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Old 12-12-2010, 05:38 PM   #2
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I've heard this before also. Were I work we use a Throttle Body / Carb cleaner that says it is safe for Ford applications. We buy it by the case though, and I can't remember the manufacturer of it off hand. I was planning on cleaning my throttle body soon and was going to use it. Your best bet might be to go to an auto parts store and just read the labels on all the different brands to see if any of them say Ford Safe.

I'll try to remember to post back Monday night after work with the brand we have.
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Old 12-12-2010, 05:40 PM   #3
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isnt it all plastic? i know the plate is but the actual housing may be some kind of composit which i believe is just a blend of plastic and fibers of some kind.

On my 07 the plate feels and looks like traditional plastic but the housing feels like somthing different.

Maybe they recomend not to use any solvents that may melt the plastic?
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Old 12-12-2010, 11:01 PM   #4
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I've cleaned my '07 ST throttle body many times because of it sticking. Never had an issue. But would be interesting to find out what kind of coating is on there.
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Old 12-13-2010, 11:58 PM   #5
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Well, this is hardly precise, but I have experience with cleaners for electronics. Some of them contain a chemical "Dichlorofluorethane" (say that real fast 3 times!) that can react 'very badly' with certain plastics. Essentially, it makes them weak/brittle. That said, perhaps some of the cleaners have this characteristic with Ford TB's and therefore should not be used under any circumstances.
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Old 12-16-2010, 12:20 PM   #6
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i clean mine every spring,lol. just take it off remove the gasket and the maf , spray, wipe, dry, reinstall.
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Old 12-16-2010, 12:50 PM   #7
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bdnld4482 >> The question is, what product are you using to do this? Per YellowJellyBean question and my warning about specific chems reactions to plastic, you have essentially done a 'long term' test. So fess up, what are you using?
Thanks!
Add >> P.S. are you using a micro-torque wrench during reinstall or just going by feel?
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Old 12-16-2010, 03:13 PM   #8
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Quote:
Originally Posted by bdnld4482 View Post
i clean mine every spring,lol. just take it off remove the gasket and the maf , spray, wipe, dry, reinstall.
You reuse the stock gasket? I've seen multiple places that if you ever remove it you're supposed to replace it.
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Old 12-16-2010, 03:14 PM   #9
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http://shop.advanceautoparts.com/web...___#fragment-1

and i just retighten by feel. the tb really isnt one of those parts on your car that requires a certain lb of tq to tighten down. As long as its snug , your good to go.
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Old 12-16-2010, 03:17 PM   #10
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Quote:
Originally Posted by YellowJellyBean View Post
You reuse the stock gasket? I've seen multiple places that if you ever remove it you're supposed to replace it.
the gaskets on our cars are a thick type of rubber, as long as you dont damage it when you take it off , you'll be fine. like i said above, i clean mine every spring. Ive had the car now for 4 1/2 years so ive really prolly cleaned it 6 times.
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