Thanksgiving holiday maintenance, My TB Shines! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 11-25-2005, 08:51 PM   #1
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Default Thanksgiving holiday maintenance, My TB Shines!



Throttle body - Cruddy!!



Throttle body - Sparkling clean!!



Upper Intake - Really really cruddy!!



Upper Intake - Not perfect but much cleaner.

Does anyone see any problem areas around the EGR pipe? This is the first one I've worked on so I don't have anything to compare it to. I didn't notice any obvious cracks or breaks but, man, it had a bunch of oily tar behind the EGR pipe when I first removed TB. Looked like something you would scrape off the bottom of a crude oil tank!

Cleaned the MAF wires and removed and cleaned IAC plug. Should be good for another 150,000.

Tumbleweed
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Old 11-25-2005, 09:35 PM   #2
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Wow, what a great job you did there Tumbleweed! That TB is sparkling clean, remarkable. The egr stove pipe looks okay from what I can see in the pic. As long as you're not losing coolant, you're good.
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Old 11-25-2005, 10:56 PM   #3
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what did you use on your TB?
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Old 11-25-2005, 11:14 PM   #4
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I believe it was STP throttle body cleaner. Got it straight off the shelf at Auto Zone. I'll take a look at the can when I go back to the shop tomorrow just to be sure. I was amazed at how well that stuff cuts through the crud!

(20 minutes later he remembers to check receipt........)

Yes, it was STP Throttle Body Cleaner from Auto Zone. $2.99

Thanks Mark,
I hope the UIM will hold up for a while longer. That really is a terrible design when you look how that EGR tube puts massive amounts of heat right through that plastic. Some engineer needs his....
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