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Recent content by Ewangonzalles

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    CAT C32 SCAC — What is causing high inlet manifold temperature on Port engine?

    For the jacket water side, yes it has its own pump and thermostat. But for the aftercooler, the flow path is much simpler – from tank → pump → aftercooler → heat exchanger → back to pump. No valve or thermostat in this circuit, it’s all direct piping.
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    CAT C32 SCAC — What is causing high inlet manifold temperature on Port engine?

    I already swapped the sensor with the Stbd engine – same result. Also swapped the ECM, thinking maybe bad module – but no change. Here’s what I’ve done so far: 1. First noticed inlet manifold temp creeping up to 87–89 °C. 2. Pulled out the aftercooler – tubes clogged with carbon. Cleaned...
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    CAT C32 SCAC — What is causing high inlet manifold temperature on Port engine?

    I’ve attached two photos. The first shows the inlet manifold where the temp sensor takes its reading. The second shows the aftercooler attached to the inlet manifold. It’s almost impossible to get an accurate temp reading on the inlet manifold using a temp gun, because heat from the cylinder...
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    CAT C32 SCAC — What is causing high inlet manifold temperature on Port engine?

    Thanks for the input. I already checked with an IR temp gun: Turbo compressor outlet air side: ~220°C both Port and Stbd Exhaust temp: ~650°C both sides So turbo heat build-up looks normal and consistent with the Stbd engine. The only difference is the Port inlet manifold temp, which is...
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    CAT C32 SCAC — What is causing high inlet manifold temperature on Port engine?

    Hi all, During sea trial the Port engine inlet manifold temp runs ~90°C (alarm set at 85°C). Starboard under same load is normal. I need ideas on possible causes. Details Engine: CAT C32 SCAC Load: ~100%, 2200 rpm Coolant temp: ~89–90°C Aftercooler coolant in/out: 55°C → 65°C (Port same as...
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