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Tracks & Trails
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Flywheel bolts shearing – related to crank?
Lost one flywheel bolt on my 1.9 JTD Alfa, engine shook badly until I stopped. Threads in crank flange look okay, but worried about stretched crank or damaged flange. Need new bolts or inspect crank?
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¿Es buena idea comprar un coche diésel en 2025?
Con tanta normativa nueva, no sé si un diésel sigue siendo buena compra. ¿Qué opináis quienes todavía conducís uno?
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Sheared flywheel bolts often from loose torque, weak bolts, or dual-mass flywheel failing- can stress crank flange holes. If threads good and no elongation, usually just new high-tensile bolts + Loctite. But check flange for cracks. I had two shear- replaced DMF and bolts. Inspected crank flange (clean), no issues. Sourced new flywheel bolts and crank seal kit from https://elartcom.eu/categories/engine-block-and-crankshaft-141 - they have crankshaft hardware and rear seals for Fiat/JTD engines. Torqued in stages, no recurrence. If flange damaged, they'd have crank options. Worth doing bolts preventively if DMF is old.