What is the abnormal noise when the car climbs the hill?

Some car owners find that the car has abnormal noise when climbing the hill during the daily use of the car. So what is the abnormal noise when the car climbs the hill?

There is abnormal noise when the car climbs, which may be because the engine of the car is short of engine oil, because when the engine oil content is insufficient, it will make abnormal noise when climbing, and adding engine oil can solve it.

If the clearance of the throttle is too large, it will also lead to this situation. If necessary, changing the throttle can improve the problem.

If the hiss comes from the gearbox, and it is more obvious when the owner steps on the accelerator, it means that there is something wrong with the gearbox and it should be repaired in time.

In short, we must first find out where the abnormal sound comes from, and then deal with different problems.