What is involved in a complete engine overhaul?

Answer

I'm no mechanic, but from what I've read in my Hayne's Repair Manual, a complete engine overhaul involves replacing piston rings, reboring or honning cylinder walls, replacing pistons (if the cylinders are rebored), replacing main and connecting rod bearings, regriding the crankshaft to restore the journals (if needed), and restoring the valves. Rebuilding parts like the starter, distributor, carburetor and alternator while the engine is being overhauled is common to ensure that the entire runs like new but isn't always necessary. Hope that answered your question to your satisfaction! And if you plan on going ahead with an engine overhaul, good luck and have fun!

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First answer by Tim Foley. Last edit by Cheryl Wudintyuliketano. Question popularity: 140 [recommend question]

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