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'99 - '06 GM Truck Modifications
Engine & Performance
2003 Chevy Tahoe 5.3L Coolant Pouring out at the back of the engine
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<blockquote data-quote="stutaeng" data-source="post: 25473" data-attributes="member: 6175"><p>Has the engine frozen over at any time? The engine block "freeze plugs" are actually all Allen hex thread plugs, so not likely to pop out. The heads do have some press fit plugs...I believe it's for the coolant passages?</p><p></p><p>The heater hose quick connects are a known source to crack and cause massive leaks, so check those as [USER=9438]@ORVietVet[/USER] mentioned.</p><p></p><p>Otherwise, a strong flashlight, an inspection mirror and 2 eyes should find that leak...</p><p></p><p>Good luck and let us know what you find.</p></blockquote><p></p>
[QUOTE="stutaeng, post: 25473, member: 6175"] Has the engine frozen over at any time? The engine block "freeze plugs" are actually all Allen hex thread plugs, so not likely to pop out. The heads do have some press fit plugs...I believe it's for the coolant passages? The heater hose quick connects are a known source to crack and cause massive leaks, so check those as [USER=9438]@ORVietVet[/USER] mentioned. Otherwise, a strong flashlight, an inspection mirror and 2 eyes should find that leak... Good luck and let us know what you find. [/QUOTE]
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'99 - '06 GM Truck Modifications
Engine & Performance
2003 Chevy Tahoe 5.3L Coolant Pouring out at the back of the engine
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