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The BMW Range
3 Series
E46
milkly sludge at radiator cap E46 328i
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<blockquote data-quote="coffin" data-source="post: 419770" data-attributes="member: 18879"><p>If i'm not mistaken correct me if i'm wrong. ATF oil pressure is more than the water pressure, this is commons in engineering design to protect your engine if the cooler fail or leaks. Gear box have oil sensor if level low. So ATF must leak to the radiator and your ATF amount less than before. Check your radiator if any milky sludge contaminated again? Normally your need to drain the radiator to check.</p><p>Because oil density is less than water (0.98), water (1.0) so the oil is settle down in your radiator.</p><p>after long period of time circulation of water the milky sludge appear due oil compound fail and mix with water. </p><p>:rock:</p></blockquote><p></p>
[QUOTE="coffin, post: 419770, member: 18879"] If i'm not mistaken correct me if i'm wrong. ATF oil pressure is more than the water pressure, this is commons in engineering design to protect your engine if the cooler fail or leaks. Gear box have oil sensor if level low. So ATF must leak to the radiator and your ATF amount less than before. Check your radiator if any milky sludge contaminated again? Normally your need to drain the radiator to check. Because oil density is less than water (0.98), water (1.0) so the oil is settle down in your radiator. after long period of time circulation of water the milky sludge appear due oil compound fail and mix with water. :rock: [/QUOTE]
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milkly sludge at radiator cap E46 328i
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