Throttle Body Cleaning

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Throttle Body Cleaning

Post by ßlåçk§mókè on 2009-12-13, 23:51

1. 7mm Driver or Socket
2. Slotted Screwdriver
3. 10mm Socket
4. Throttle Body Cleaner
5. Lint-free Towels
6. Plenty of Ventilation

1. Remove the air intake hose that runs from the air box to the throttle body.
a. Loosen hose clamps (7mm hex head for throttle body end, 7mm hex head or slotted screw driver for air box end).
*The hose clamp at the air box end is slightly difficult to reach. I recommend a short slotted screw driver, as the hex driver of 8" that I used was nearly too long.
b. Remove air hose from throttle body, disconnect EGR hose, and lift air hose from air box.

2. The throttle body is connected to the supercharger by four (4) 10mm bolts. Remove the bolts, and throttle body will separate from supercharger. There is still a plug and a hose connected to the throttle body. Unplug the electrical connection and remove hose from throttle body. Remove orange gasket that is inset into the supercharger.
*Note the build up along the inner wall of the throttle body as well as the inlet to the supercharger.

3. Using throttle body cleaner and a lint-free towel, spray inside of throttle body with cleaner. Open butterfly valve and continue to spray. Wipe away carbon build up with towel. Repeat until thoroughly cleaned.
*While you have it out, you may as well clean the outside of it too and make it look as new outside as it will inside.

4. Spray a lint-free towel with throttle body cleaner (DO NOT spray throttle body cleaner into supercharger!!) and wipe away build up from supercharger inlet. Repeat until thoroughly cleaned.

5. Replace gasket to inset on supercharger inlet.

6. Reattach throttle body to supercharger positioned as shown:
Relpace four (4) 10mm bolts

*DO NOT overtighten these bolts!
Reattach electrical plug and ventilation hose.

7. Set air hose onto air box and tighten clamp using 7mm hex head or slotted screwdriver. Reattach air hose to throttle body and tighten clamp with 7mm hex head. Attach EGR hose to air hose.

Now the job is complete. Start car and run air conditioner. Rev engine to 1500-2000 rpms, and notice the lack of idle surges. I hope this write-up is good enough for everybody here.

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