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Whistling Noise Coming From Turbo


stanisicb
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Hello guys, I started hearing today, an unusal loud whistling sound coming from the turbo, it starts whistling around 1600 rpm , even when down shifting, did anybody have a similar experiance, Its a Granit 460 hp mack motor. thank you

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Hello guys, I started hearing today, an unusal loud whistling sound coming from the turbo, it starts whistling around 1600 rpm , even when down shifting, did anybody have a similar experiance, Its a Granit 460 hp mack motor. thank you

I would check the charge air cooler hoses for holes or improperly clamped hoses, the exhaust manifold and turbo for exhaust leakage, and the elbow fitting on the intake manifold for looseness at the v-band clamp joint. Check for signs of exhaust leakage around the turbo mounting flange and manifold. Both parts are prone to cracking.

"Mebbe I'm too ugly and stupid to give up!"

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