C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

TPS positioning [pic]

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Old May 26, 2008 | 11:59 AM
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Default TPS positioning [pic]

How does it go on? When I removed it, I did it slow to tell which way it sprung loose, but the seal was tight, and I missed it.

It must be rotated clockwise or counterclockwise, and THEN positioned. If you attempt to drop it on with the screw holes positioned, the butterfly shaft tab hits the tangs in the sensor.

Help?

Never mind the Mickey Mouse drill.
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Old May 26, 2008 | 02:07 PM
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My TB is done except for the TPS. Anybody know placement?
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Old May 26, 2008 | 02:45 PM
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Chilton's for my '98 GMC 4.3 says to turn the TPS clockwise, match up the shaft, then rotate counter-clockwise to match up bolt holes.

I'm gonna' give that a try that way, unless someone else knows otherwise...

????????????????????????????????
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Old May 26, 2008 | 09:10 PM
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Default tps

Geez, open the throttles, poke a screwdriver in one barrel, install the TPS loosely, remove the screwdriver, and adjust the TPS to the proper volts!
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Old May 26, 2008 | 09:10 PM
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I don't know what year your car is but on my 93 it won't just slip straight on. If you rotate it a little so it feels like it missing the tangs then hold it there and reach over and move the throttle plate like youre stepping on the gas. If it keeps moving easily, then rotate the TPS to where you can push it on all the way, where the screws line up. Move the throttle plate again, if its still rotates then put the screws in.

I hope this makes sense. Just don't put the screws in if you can't move the throttle plate from the other side. The TPS will only rotate one way.
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