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Old 17-12-17
GM... GM... is offline
Join Date: Jan 2013
Location: Gold Coast
Posts: 64
Default Squeal during boost


My 4m41 triton engine has a squealing noise during turbo boost above 5psi, i have checked and tensioned all the intercooler pipe clamps.
I removed the air cleaner to turbo pipe and found a bit of play on the impeller shaft, the engine was almost at running temp when tested.
How much play should there be on the shaft? and has anyone experienced this?

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98 NL Pajero, 3.2 Common rail Diesel, Auto with some work.
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NT GLX, DID auto, scotts rods exhaust, rear locker, dual fuel tanks, lovells 2" lift, bilstein shocks, airbags, full underbody and sill protection, ARB bar with XD9000 warn winch, lightbar, duel batteries, provent catch can and a few other bits.
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