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EarlyBay Forums
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Nasty Knocking Noise
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<blockquote data-quote="gagvanman" data-source="post: 644350" data-attributes="member: 17411"><p>Further to my earlier posts, I have now split the case and cannot find any major damage.</p><p>This engine has been suffering from over heating and it also burst an external oil cooler pipe (too near to the exhaust). So I am replacing all the bearings polishing the crank checking deck height etc.</p><p>I also thought I would check the oil temp sensor, so removed the gauge from the dash, set up a test rig in the kitchen (don't tell the wife). I tested the current sensor which read 25 deg lower than the thermometer in boiling water, so I then tested the sensor I was using originally when the engine was built. To my surprise it was reading spot on. So the hunt for the over heating gremlin goes on...</p><p></p><p>Pic 1, sensor mounted on an ally bracket in a pan of boiling water on kitchen stove:</p><p>[ATTACH=full]8458[/ATTACH]</p><p>Pic 2, sensor reading 25 deg low:[ATTACH=full]8457[/ATTACH]</p><p>Pic 3, old sensor reading correctly:[ATTACH=full]8456[/ATTACH]</p></blockquote><p></p>
[QUOTE="gagvanman, post: 644350, member: 17411"] Further to my earlier posts, I have now split the case and cannot find any major damage. This engine has been suffering from over heating and it also burst an external oil cooler pipe (too near to the exhaust). So I am replacing all the bearings polishing the crank checking deck height etc. I also thought I would check the oil temp sensor, so removed the gauge from the dash, set up a test rig in the kitchen (don't tell the wife). I tested the current sensor which read 25 deg lower than the thermometer in boiling water, so I then tested the sensor I was using originally when the engine was built. To my surprise it was reading spot on. So the hunt for the over heating gremlin goes on... Pic 1, sensor mounted on an ally bracket in a pan of boiling water on kitchen stove: [ATTACH type="full"]8458[/ATTACH] Pic 2, sensor reading 25 deg low:[ATTACH type="full"]8457[/ATTACH] Pic 3, old sensor reading correctly:[ATTACH type="full"]8456[/ATTACH] [/QUOTE]
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Nasty Knocking Noise
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