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Diesel Engine Front Crank Bolt Failure and Loss of Pulleys
The old 616 and 617 diesel engines produce a lot of shake and vibration and over time that can loosen the front crank bolt. Hard to believe since that big bolt it torqued to over 250 ft. pounds. If caught early enough you can save yourself a lot of grief. If it happens on the freeway (as it did with Kaia) the pulleys can fly off- you will immediately lose your power steering, the dash warning lights will come on and the engine will start to overheat! I would recommend you check the tightness of this bolt at your next service. Certainly check it at the first sign of any strange front engine clicking or clanking noise. Ignore this and I guarantee you will be sorry.
To the high mileage club here (250k and over) anyone preemptively rebuild the crank bolt?
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1985 300TD Turbo Diesel Wagon
273,000 miles
Last edited by markho; 02-28-2010 at 02:58 PM.
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02-28-2010, 02:52 PM
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