Benz ten causes of failure-prone and correct solution Part2 - Ningbo Sanboo Auto Parts International Trade Co., Ltd.

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Benz ten causes of failure-prone and correct solution Part2

6 leaking coolant pump damage

Symptoms: W140 sedan leakage of coolant pumps are quite common. After the damaged coolant pump leak, the coolant loss when severe, can cause damage to the engine coolant temperature is too high.

Solution: find pumps coolant leakage phenomenon pump should be replaced to avoid greater losses.

7 fuel pump

Symptoms: fuel pressure fuel pump is delivered to the injector. General Benz W140 chassis cars fuel pump damage will be issued before the "squeak, squeak" sound when the fuel pump is damaged, the fuel can not be injected into the engine, the engine will stop working.

Solution: abnormal sound occurs when the fuel pump, fuel pump should be replaced to avoid the car broke down.

8 brake switch damage caused by failure

Symptoms: W140 sedan equipped with ASR systems, the brake switch is damaged after the ASR lamp is lit, and sometimes can not accelerate when driving.

Solution: ASR lights appear, should the repair shop with a diagnostic test. ASR is generally caused by brake switch lights more.

9air flow meter

Symptoms: ME injection system for cars, the amount of air inhaled its engines rely on hot-film air flow meter to measure. Because the reasons for the air flow meter structure particularly vulnerable to damage. After the damage, the vehicle appeared to accelerate weakness, black smoke, can not go to maximum speed, no idling and so on.

Resolution: The proposal, as the air traffic situation in time to clean or replace the air filter. Only keep dust less air into the engine, in order to prolong the life of the air flow meter.

10 arm under the ball head is damaged

Symptoms: arm under the W140 chassis cars ball head is damaged, it will directly affect the car's comfort and safety. If your car is slow driving on bumpy roads, the steering wheel to upload to "thump, thump" of different sound, then there may be a lower arm ball head is damaged.

Solution: arm under the ball head is damaged replace the need for timely, otherwise at high speed ball head and the ball out of touch, it will directly endanger your life.

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