Automobile engine overhaul mainly includes the replacement of valves, pistons, cylinder liners, or cylinders, grinding shafts, etc. According to the standard of general 4S stores, they need to be replaced with 4 supporting devices, that is, pistons, piston rings, valves, valve oil seals, valve guides, crankshaft shingles, connecting rod shingles, timing belts, tensioning wheels.
Če je veriga časovna, je treba spremeniti časovno verigo, napenjalec, poleg obdelave, valjske rokave, brušenja, gred, hladni tlačni vod, pa tudi nadomestiti paket za remolce, ukrivljeno sprednjo oljno tesnilo, ukrivljeno zadnje olje olje, oljno tesnilo, oljno črpalko, več raziskovalnih donacij itd. motor za zagotovitev zmogljivosti motorja.
