S-Class (W126) 1979-1991: 300 SE, 300 SEL, 380 SE, 380 SEL, 420 SEL, 500 SEL, 560 SEL, 360 SEC, 500 SEC, 580 SEC, 300 SD TURBODIESEL, 300 SDL TURBO, 350 SD TURBO, 350 SDL TURBO

83 300sd making loud clanking grinding noise

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Old 01-22-2009, 03:33 PM
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83 300sd
83 300sd making loud clanking grinding noise

There is a loud clanking grinding noise coming from the motor - seems like near the alternator or turbo charger. Alternator has just been replaced and is charging as it should. We are not sure if its the turbo charger or something else. Car runs fine, but a noisy idle. Can anyone help point us in the right direction. Thank you!
Old 01-22-2009, 08:10 PM
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1987 SDL; 2001 Chevy 2500HD CC, 8.1L, Allison special order; 1970 GTO LS2, 4L60E, under construction
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