Oil cooler
Head gasket or coolant passageway fractured .
SOURCE: 2001 chevy silverado 5.3 ltr I am adding 1 gallon
This is one that you will need to do some careful looking to find. every hose connection needs to be looked at for damp residue as well as all gasket parting lines (thermostat housing, head to block parting lines, intake manifold ends etc.) You may also need to have a shop to a radiator pressure test as well as a cylinder leakdown test (which will pick up on most internal leaks) If seepage is very minor, coolant can burn off or boil out before reaching a noticeable level inside the engine or even at a gasket to the outside. A small crack between the valves in a cylinder head can be so small that it goes unnoticed when exiting along with exhaust. A small leak now may be difficult to find but locating it now is better than waiting for a larger failure. It may turn out to be something simple as a bad cap on the radiator or the shaft seal beginning to fail on your water pump...letting it go can eventually cost you an engine.
SOURCE: 2001 CHEVY SILVERADO 5.3 Z71 The truck uses 1 gal of antifreeze
check for a wet tailpipe,which might indicate a leak between water jacket & combustion chamber.i.e.headgasket.check heater hose isn't leaking onto exhaust manifold,'cooking' the anti-freeze as it leaks.
you're getting water in to your oil that's why its milky. could be a bad head gasket ,cracked head, or a cracked block, usually one of the last 2. better get it to a mechanic, if its the block it would probably be cheaper to replace the engine, it takes less time and most places charge 75-100 dollars an hour
SOURCE: 95 gst leaking antifreeze from line to turbo
What if fluid leaks from under banjo bolt theres a hole with out car running
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