2013 silverado 5.3 engine
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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
Last edited by Rustybucket#1; Feb 4, 2026 at 3:39 PM. Reason: not enough info
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