TB lube points/sticky TB - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-17-2004, 08:18 PM   #1
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Default TB lube points/sticky TB

are there any points on the TB that need lubrication? Mine sticks a little from closed. I know it isnt the line b/c I feel the same thing when I pop the hood and move the TB with the car off. Could this be caused by the TPS mod? I broke one of the screw holes doing it, so only the top on is holding it on.
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Old 10-17-2004, 08:44 PM   #2
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One of the throtle plate assembly pivots needs oiling, But it'* kind of involved to get to. I'll snap a pic of it for ya.
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Old 10-17-2004, 08:44 PM   #3
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When was the last time you cleaned it? Often times that carbon build up causes the butterfly to stick. Other than that, you've got me.


-justin
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Old 10-17-2004, 09:31 PM   #4
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I don't think there is anything that needs to be lubed. Just hold the throttle plate wide open (engine off of coarse) and clean the carbon out of the bore and the throttle plate.
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Old 10-18-2004, 01:51 AM   #5
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Quote:
Originally Posted by Ranger
I don't think there is anything that needs to be lubed. Just hold the throttle plate wide open (engine off of coarse) and clean the carbon out of the bore and the throttle plate.
I am kinda hoping I dont have to take the TB off. I will take a flashlight and investigate before I start removing stuff.
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Old 10-18-2004, 02:06 AM   #6
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Removing the TB to clean it is the best way to do it. And You'd have to have some serious carbon builld up to feel it with your foot. So, pop that badboy off and clean'er out. Then see if you need to oil it.
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Old 10-18-2004, 07:19 PM   #7
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Quote:
Originally Posted by macho_mike21
Quote:
Originally Posted by Ranger
I don't think there is anything that needs to be lubed. Just hold the throttle plate wide open (engine off of coarse) and clean the carbon out of the bore and the throttle plate.
I am kinda hoping I dont have to take the TB off. I will take a flashlight and investigate before I start removing stuff.
Well, I can do it easily on my Cadillac Northstar but my wifes '96 Bonne is another story. I can just barely get my long fingers in far enough to get to the throttle plate and the perimiter of the bore where the throttle plate meets it. Those are the important areas. I was able to give it a good cleaning a few months ago when I did the upper intake plenum replacement. There was a lot of carbon I wasn't able to get at previously but it is way back behind the throttle plate so it is harmless.
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