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Under what circumstances should a car be overhauled?

Blog 11个月前 (05-28) 79 Views

Under normal circumstances, a domestically produced car needs an overhaul after driving about 100,000 kilometers, and an imported vehicle generally needs an overhaul after driving about 150,000 kilometers. Overhaul mainly includes replacing engine valves, pistons, cylinder liners, boring cylinders, grinding shafts, etc.

Car overhaul means that after a series of inspections, if the car engine is found to be severely worn or aging, then the car is overhauled at this time, and the car is roughly restored to normal performance by replacing parts. After the car is overhauled, the driver needs to pay attention to some things: first, the engine speed is not too fast, and it is generally recommended not to exceed 3000 rpm, which can better protect the engine; second, do not brake or refuel frequently, which will damage the The engine is not conducive to the running-in between new parts; the third is to carry the load within the specified load-bearing range of the vehicle, and it is generally not recommended to exceed 70% of the specified load; the fourth is that after the run-in period is over, the owner should replace the engine oil in time.