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What the heck is a "throttle body"?

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Old Mar 1, 2011 | 11:47 AM
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Default What the heck is a "throttle body"?

I've looked at a search and found lots of references but no photos.

I've looked at my PDF of the S-type 2000-2005 parts list. The search engine can't even find "throttle" let alone one with a body attached.

I just had to have one replaced by the Select Edition warranty. I have no idea what the cost was but it went over the threshold where a dealer has to get approval from Jaguar to do the work.

So...what the heck is it and what would it be called in the parts list?
 
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Old Mar 1, 2011 | 11:51 AM
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http://www.autopartswarehouse.com/de...3-1655572.html

it's kinda like what a carb. used to do. IT regulates air and the fuel via injectors to be dummped into the manifold. Your gas pedal linkage is hooked to it so the farther you push the gas pedal the more air and fuel get dumped into the kitty.

http://en.wikipedia.org/wiki/Throttle
 

Last edited by achysklic; Mar 1, 2011 at 11:57 AM.
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Old Mar 1, 2011 | 11:54 AM
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Don't know the parts list name but the TB is:
a high precision motor-driven device for cutting off (throttling) the air an engine would otherwise suck in
plus multiple precision sensors to check it functions as needed
and heating/cooling

I assure you search engines can find throttle.

aka ETC (elec throttle control)
 
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Old Mar 1, 2011 | 12:10 PM
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Default 3.0L Throttle Body

In the foreground, just aft of the expansion tank fill cap...

What the heck is a "throttle body"?-img_20110101_163621.jpg
 
Attached Thumbnails What the heck is a "throttle body"?-img_20110101_164107.jpg   What the heck is a "throttle body"?-img_20110101_163621.jpg  

Last edited by aholbro1; Mar 1, 2011 at 12:22 PM. Reason: Found a better pic
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Old Mar 1, 2011 | 01:07 PM
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???? The JPEC itself calls it a 'throttle body'. Look under air and fuel delivery systems/air delivery system components.
 
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Old Mar 1, 2011 | 01:29 PM
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Here you go:



Inside Joels Dirty Throttle Body:

 
Attached Thumbnails What the heck is a "throttle body"?-intake-manifold-throttle-body.jpg   What the heck is a "throttle body"?-dirty-throttle-body.jpg  

Last edited by joycesjag; Mar 1, 2011 at 02:04 PM.
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Old Mar 1, 2011 | 01:33 PM
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Thanks. I had an idea of the functionality but the name sort of implies just a metal casting to which other things are attached rather than to integrated whole. With the pictures, all is clear.

Thanks again. Idle curiousity satisfied.
 
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Old Mar 1, 2011 | 02:54 PM
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Originally Posted by Toller
Thanks again. Idle curiousity satisfied.
As a connoissur of good puns I really, really like that one.
 
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Old Mar 1, 2011 | 05:49 PM
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Originally Posted by Staatsof
As a connoissur of good puns I really, really like that one.
Had to think about that for a moment.
 
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Old Mar 1, 2011 | 06:43 PM
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+1, me too. It was rather enjoyable though after it clicked.
 
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Old Mar 1, 2011 | 06:59 PM
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Thanks....tipping the hat.
 
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Old Mar 1, 2011 | 08:39 PM
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Exclamation Be careful pulling the TPS connector!





 
Attached Thumbnails What the heck is a "throttle body"?-dirty%2520throttle%2520body.jpg   What the heck is a "throttle body"?-img_20110108_162233_mod.jpg   What the heck is a "throttle body"?-img_20110108_163022_mod.jpg  
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Old Mar 2, 2011 | 04:09 AM
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I can't read the text on the last 2 pictures.
 

Last edited by Staatsof; Mar 2, 2011 at 04:50 AM.
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Old Mar 2, 2011 | 04:15 AM
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Which browser and OS? It's easily visible (though not a particularly nice red) in firefox on Linux.
 
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Old Mar 2, 2011 | 04:42 AM
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XP & Google Chrome. I just tried IE7. Same thing.

UPDATE: If I zoom it to 172% I can figure it out but it's really blurry.

I had a similar issure with the transmission control harness plug on my 2001 Sable wagon.
A ham fisted service tech broke the retaining tab and it wiggled loose causing all kinds of transmission malfunctions.
I had to glue it on with silicone RTV. Nothing to loop a wire tie on.

Is that clear RTV or silicone grease or ?
 

Last edited by Staatsof; Mar 2, 2011 at 04:49 AM.
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Old Mar 2, 2011 | 07:05 AM
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lol...my first attempt at "big pictures" under Rick's instruction...be gentle with me.

it's Permatex blue. Since the terminal seals were exposed, I figured I better re-seal the connection. Although it may be adhering the zip-tie to the connector body a bit, it is really just for sealing, not for physical joint integrity. Held phone under the connection and snapped a pic and I may still have a water path, I'll check and seal as necessary when she's home this later this week for "Mardis Gras break."

Noted text in 2nd pic smallish, so used a much larger font in 3rd...to no avail. added lines and text in MS-Paint. It says, "here's the same connection after Zane removed and reinstalled it - note custom retention locking" and "After sealings applied for Northeast LA winters.." or something like that.

To be fair, I was being quite gentle and understanding in the removal process...very much caressing and speaking softly to it....nonetheless...still shattered into about 7 small pcs and the one remaining large one pictured upon removal.
 
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Old Mar 2, 2011 | 07:20 AM
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Weird.... I wonder why I can see the text OK / why Bob can't?
 
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Old Mar 2, 2011 | 07:25 AM
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I see the text
 
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Old Mar 2, 2011 | 07:45 AM
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Originally Posted by jagv8
Weird.... I wonder why I can see the text OK / why Bob can't?
It's the last two pictures, it's already very small compared to the first and on top of that it's fuzzy.

There's so much hardware and software involved in today's systems I'm not sure it's worth bothering about. My system is using a motherboard with built in video so I'm not running state of the art stuff but still ...

Ah wait a minute, using MS-paint. That's ancient as well as horrible to use. I've had similar results when I used it.
 
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Old Mar 2, 2011 | 11:00 AM
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Wow, the differences between my 2001 and that are huge!

BTW, I use Paint.Net http://www.getpaint.net/ since it's free, easy, and awesome.
 
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