对于洗车，大多数车主是勤奋的，但当涉及到洗发动机舱，每个人都不一定清楚了，下面让上门养车厂家来给您介绍一下。

For car washing, most car owners are diligent, but when it comes to the shampoo engine room, everyone may not know. Let the door-to-door car maintenance manufacturer introduce it to you.

一、发动机舱需要清洗吗？

1、 Does the engine compartment need cleaning?

1、如果不清洗发动机舱，会在发动机表面形成厚厚的油状腐蚀，造成金属零件生锈、电路老化等问题。

1. If the engine compartment is not cleaned, thick oily corrosion will be formed on the engine surface, resulting in rust of metal parts, aging of circuits and other problems.

2、由于发动机长期高温运行，再加上大量的油垢和灰尘，这里附着的管路、油路老化损坏，容易引发火灾，因此发动机舱的清洁对保证车辆的正常运行非常重要。

2. Due to the long-term high-temperature operation of the engine, coupled with a large amount of oil dirt and dust, the attached pipelines and oil circuits are aging and damaged, which is easy to cause fire. Therefore, the cleaning of the engine compartment is very important to ensure the normal operation of the vehicle.

二、如何清洗发动机舱呢？

2、 How to clean the engine compartment?

发动机舱内有很多电器元件，例如，火线圈、保险盒、电瓶线束接头等等，这些部件虽然做了一些防水措施，但经不起高压水枪的冲洗，可能有一两次没事，但长期下去就容易被烧毁。

There are many electrical components in the engine compartment, such as fire coil, fuse box, battery harness connector, etc. Although some waterproof measures have been taken, these components can not stand the washing of high-pressure water gun. They may be fine once or twice, but they are easy to be burned in the long run.

其次，发动机用水冲洗时，容易在机舱内留下积水。时间长了会导致电子元器件接头氧化生锈，导致接触不良，老化的也快。因此，建议不要直接用水冲洗。

Secondly, when the engine is washed with water, it is easy to leave ponding in the engine room. A long time will lead to oxidation and rust of electronic component joints, resulting in poor contact and rapid aging. Therefore, it is recommended not to flush with water directly.

上门养车：发动机舱正确清洗步骤

Door to door car maintenance: correct cleaning steps of engine compartment

步骤一：先把表面的浮尘用高压气罐清理干净。

Step 1: first clean the floating dust on the surface with a high-pressure air tank.

步骤二：喷洒发动机舱表面清洗剂并擦干，注意不要喷洒到电瓶、保险盒内部。

Step 2: spray the engine compartment surface cleaning agent and wipe it dry. Be careful not to spray it inside the battery and fuse box.

步骤三：其次对于那些顽固油渍、缝隙，我们需要用到高压喷壶重污清洗，对细节及边角进行污渍处理。

Step 3: secondly, for those stubborn oil stains and cracks, we need to use a high-pressure watering can to clean them again, and deal with the stains on the details and corners.

步骤四：把发动机舱的存水用抹布擦干净，或者怠速把存水烘干。

Step 4: wipe the water in the engine compartment with a rag, or dry the water at idle speed.

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