Exhaust system failure ALERT

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DickTuschick
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Exhaust system failure ALERT

Post by DickTuschick »

Last March 2022 a failure of the bolts connecting the Turbo to the spacer and then to the Exhaust elbow was reported. Since then we know of two other engines that have suffered the same fate. In the latest case a significant amount of exhaust was leaked into the engine compartment and caused quite a mess but fortunately no other damage. Anyone with more than 2000 hrs might want to remove the Turbo and check the bolts/spacer/exhaust elbow and at the same time have the turbo serviced. The spacer used is unique to the PDQ installation in order to achieve proper alignment with the muffler thus a replacement part is not available from Yanmar.....more reason to keep that spacer well maintained.
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