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  #1  
Old 01-15-2010, 04:53 AM
Leadfootluke Leadfootluke is offline
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Throttle Body Removal and Cleaning [How-To with Pictures]

I was looking for a comprehensive writeup before doing this and I did not see one, so I thought I would make one.

Parts list

- 8mm Socket for the Throttle Cable brackets
- 10mm Socket or necessary size for battery terminal disconnect
- 13mm Socket for the bolts that hold the Throttle body itself down.
- #25 Torx driver for the IAC, MAP, and TPS
- Adjustable wrench [in my case, for the airhat removal]
- CRC Throttle Body and Air Intake Cleaner [or similar cleaning product][/URL]
- Replacement gasket [good idea to have around, and about $2.50 from advanced auto or a similar place]

Procedures

1. Remove Negative Battery Connection. Tool: 10mm Socket if applicable


2. a) Locate Air Intake and Remove the Assembly.


2. b) Resulting Image.


3. a) Locate the IAC [Idle Air Control] and disconnect it


3. b) Locate the TPS [Throttle Position Sensor] and disconnect it


3. c) and Locate the MAP [Manifold Absolute Pressure] Sensor


3. d) Remove the Vacuum line as well



4. Disconnect the C-Clamps holding the throttle linkage. Note, the rear linkage goes to the Transmission [kickback] and the front two are for throttle and cruise control



4. a) From the furthest from the Throttle Body to the closest C-Clamp Connection.


4. b)


4. c)
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  #2  
Old 01-15-2010, 04:55 AM
Leadfootluke Leadfootluke is offline
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5. Remove the Throttle Bracket Tool: 8mm Socket

5. a) The one on the side of the bracket


5. a) The two on the front of the bracket


6. Remove the Throttle Body Bolts Tool: 13mm Socket





7. Remove the Throttle Body and the Gasket






8. Remove all 3 Sensors from the Throttle Body. The torx driver is used to remove all of the sensors Tool: #25 Torx Driver



9. Resulting [Dirty] Naked Throttle Body




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  #3  
Old 01-15-2010, 04:55 AM
Leadfootluke Leadfootluke is offline
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10. Cleaning the Throttle Body. Tool: Intake Cleaner of choice

Read the instructions on the can of cleaner as some have VERY strong fumes and will remove paint and stain clothing. With all of the sensor removed, liberally spray the CRC cleaner onto the areas you wish to clean. The stream essentially stripped all of the carbon off of the Throttle Body. Using a tooth brush and terry cloth I was able to strip all of the carbon I wanted off. Take the IAC sensor as well and clean that up. With the carbon removed from it's plunger and the area were it sits, your idle will smooth out. These are the results I wished to achieve. I believe 100% clean is attainable. I worked for about 95% because I will probably port/polish my Throttle Body in the near future.









Let the Throttle Body dry before re-installation.

11. Re-installation:

Follow the steps in reverse order. Add the New gasket before replacing the Throttle Body. Reconnect the battery and start it up to make sure everything was done correctly.

Good luck and post up if you need assistance
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Old 01-15-2010, 05:00 AM
KotaChuk678 KotaChuk678 is offline
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  #5  
Old 01-15-2010, 10:04 AM
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Excellent job and write-up!
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  #6  
Old 01-15-2010, 02:18 PM
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bludaker bludaker is offline
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Great Info/Pics...
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Old 01-15-2010, 03:27 PM
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good stuff
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  #8  
Old 01-15-2010, 03:42 PM
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great write up
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  #9  
Old 01-15-2010, 05:45 PM
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nice write up.. plenum looks like its holding too.. and check out the little spider folded up in the empty chamber
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Old 01-15-2010, 05:54 PM
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thanks bro
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  #11  
Old 01-15-2010, 06:33 PM
Leadfootluke Leadfootluke is offline
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Quote:
Originally Posted by Jarheadoo7 View Post
nice write up.. plenum looks like its holding too.. and check out the little spider folded up in the empty chamber
That was one on the outside of the nest. A whole bunch of those little red spiders were behind it. The CRC cleaner burned them all up
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  #12  
Old 01-16-2010, 03:16 AM
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Very thorough and clear write-up with pics. Good job! And I see you're from Michigan.
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Thank you for looking, Richard
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  #13  
Old 01-18-2010, 02:30 PM
ryangtp89 ryangtp89 is offline
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excellent write up! Verry informative and the pics came out great ++++ for you leadfootluke. I'm gonna save this for whenever i get a ported tb.
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  #14  
Old 01-18-2010, 06:36 PM
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2YuNg2Di 2YuNg2Di is offline
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Very nice. Thanks
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Old 01-21-2010, 03:27 AM
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Wat is the best tool to use to get the TB itself off, I tried a Ratchet, and impact gun, neither worked. Also had the same problem trying to get the front bumper off.
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