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-   -   2013 silverado 5.3 engine (https://chevroletforum.com/forum/2007-2013-gmt900-109/2013-silverado-5-3-engine-121581/)

Rustybucket#1 Feb 4, 2026 3:25 PM
Throttle body 2013 silverado 5.3 engine
 
Had throttle body off today and noticed quite a bit of milky liquid behind the throttle body. Doesn't smell like antifreeze, think its oily water. Anyone else seen this? The engine is running fine


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