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Farm Machinery
Classic Machinery
Case IH 885
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<blockquote data-quote="DrWazzock" data-source="post: 6168196" data-attributes="member: 2119"><p>If the injector sleeves leak at the end which fits into the combustion area then I would have expected exhaust gas to show positive in the coolant, if such a test works. If the sleeves haven't been disturbed or they have been fitted correctly then I would think it unlikely they would be causing a leak But you never know. Could an injector sleeve have been disturbed during a refurb? It's really only friction and sealant and the injector clamp that keeps them in place. They are quite easy to pull out.</p><p></p><p>Was the head pressure tested when it went away?</p><p></p><p>As the fault is something that suddenly happened in operation after a refurb I'd suspect head gasket.</p><p></p><p>I made an adapter to fit my compressor airline to the injector hole of each cylinder in turn using an adapted compression tester fitting (after removing injector), turned the engine so that cylinder is in compression, pressurised and listened. You might hear or see air in the coolant, if the valves aren't leaking too much.</p><p></p><p>Sorry not much help. It's frustrating I know.</p></blockquote><p></p>
[QUOTE="DrWazzock, post: 6168196, member: 2119"] If the injector sleeves leak at the end which fits into the combustion area then I would have expected exhaust gas to show positive in the coolant, if such a test works. If the sleeves haven't been disturbed or they have been fitted correctly then I would think it unlikely they would be causing a leak But you never know. Could an injector sleeve have been disturbed during a refurb? It's really only friction and sealant and the injector clamp that keeps them in place. They are quite easy to pull out. Was the head pressure tested when it went away? As the fault is something that suddenly happened in operation after a refurb I'd suspect head gasket. I made an adapter to fit my compressor airline to the injector hole of each cylinder in turn using an adapted compression tester fitting (after removing injector), turned the engine so that cylinder is in compression, pressurised and listened. You might hear or see air in the coolant, if the valves aren't leaking too much. Sorry not much help. It's frustrating I know. [/QUOTE]
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Farm Machinery
Classic Machinery
Case IH 885
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