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"Isn't it changing the oil? The used car that I bought to practice the hand has recently exhausted the blue exhaust pipe when the throttle is booming." Many owners do not have a clear concept for the oil replacement cycle. Wasting money, late for fear of wearing out vehicles.
After the used car is bought, it is necessary to replace the whole car oil, but after that, how to change the oil?
How to determine used car oil change?
Check the bottom of the oil cover for sludge stains: In a safe inspection environment, the owner can unscrew the engine filler cap and turn it over to look for traces of old or dirty oil left on the bottom. If a thick dark emulsion or oil is found on the underside of the fuel filler cap, it is likely that the coolant has leaked into the oil and the owner should change the oil in time.
Check for too much or too little oil : Check the oil level with the dipstick and it should be in the “full†or “FULL†position. Excessive oil addition may cause splashes on the cylinder wall and cause burn-out oil failure. If the oil level is too low, the wear of the vehicle will increase. Therefore, the oil in the oil sump of the engine should be controlled between the upper and lower scoring lines of the oil dipstick.
Check the oil color and impurities: The owner can pull out the dipstick and wipe it on a clean white paper, or rub it with his finger to observe the color and impurity of the oil. If the yellow oil on the white paper infiltration traces, black impurities, or fingernail feel thick and even drawing phenomenon, indicating that the engine oil can not continue to use deterioration, otherwise it must be replaced.
What is the loss of easy to eat oil? 　　
4S store possession of the remaining oil: 4S store oil products are generally in line with the requirements, some employees use the owner to enter the store repair regardless of the psychological, often speculative intentionally will not put off the old oil, so the new oil will be so Something left and flowed into the pockets of employees. It is best to ask the staff to show the used oil bottle and supervise the replacement of the oil.
Auto Parts City engine oil flooding parallel imports: Compared to the expensive 4S shop maintenance, Auto Parts City, which is relatively cheap and affordable oil, but it is also full of parallel imports and counterfeit goods. In order to seek illegal interests, a handful of shopkeepers will fill in inferior oils into special oil bottles and sell them to owners. One point of the price, avoid the existence of want to use good oil and want to figure cheaper psychology.
What symptoms indicate that used cars are burning oil?
The inner wall of the exhaust pipe is very black: The owner should regularly check the condition of the inner wall of the exhaust pipe, wipe the inner wall of the exhaust pipe with white paper, and check whether the inner wall of the exhaust pipe becomes black. Once blackening occurs, it indicates that the used car has burning oil. phenomenon.
Blue smoke from the exhaust pipe: When the cold car starts, if blue smoke is emitted from the outlet of the exhaust pipe, it means that the vehicle burns oil.
Throw blue smoke when the throttle: when the vehicle is accelerating or hit the throttle in place, the blue smoke phenomenon occurs, and there is basically no idle, this situation shows that the vehicle burns oil, and has been more serious, it should be repaired as soon as possible.
Blue smoke in the oil injection port: If the owner finds that the used car emits blue smoke besides the exhaust port, the oil injection port also starts to emit blue smoke. This indicates that the burning oil condition is very serious, and the owner will not hesitate any more. Car repair it ~
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