What's the back door of a car
The rear door is the door at the rear of a car, often called the trunk door, trunk door, or tailgate. Their main function is to facilitate passenger access to the rear space of the vehicle.
Type and design
There are many types of car rear doors, and the specific design depends on the type and purpose of the vehicle:
cars : There are usually two rear doors, located at the rear of the vehicle, for easy entry and exit.
commercial vehicle : often adopt side sliding door or hatchback door design, easy for passengers to enter and exit quickly.
truck : The rear door is designed for double opening and closing, easy loading and unloading.
special vehicle : such as engineering vehicles, fire trucks, etc., according to the special needs of the design of different kinds of rear doors, such as side open, open, and so on .
Structure and function
The rear door of the car not only provides access, but also has the following functions:
Protect the space in the car : prevent external objects from directly hitting the passengers in the car.
easy loading and unloading : For trucks, the rear doors are designed for quick loading and unloading.
Passenger access : Ensure safe and convenient access to and from the rear of the vehicle .
The main role of the car rear door includes the following aspects :
Provide emergency exit : The rear door of the vehicle is located above the rear of the vehicle and is an important exit for emergency escape. In special circumstances, such as the four doors cannot be opened, when the car is trapped, you can escape through the back door .
convenient for passengers to get on and off : the design of the rear door makes it more convenient for passengers to get on and off, especially for the rear passengers, the rear door provides a larger opening space, making it more convenient .
Increase the beauty and practicality of the vehicle : The design of the rear door not only considers functionality, but also pays attention to aesthetics. In modern automobile design, the rear door is opened in a variety of ways, such as above flipping, side opening, etc., which is not only convenient to use, but also increases the overall beauty of the vehicle .
function of electric rear door : some high-end models are equipped with electric rear door, through electric or remote control to realize the opening and closing of the trunk, with anti-clamp and anti-collision, sound and light alarm, high memory and other functions, improve the convenience and safety .
Abnormal noise in the rear door of a car may be caused by the following reasons :
Aging or lack of lubrication on door hinges or slides : Door hinges and slides may age after prolonged use, resulting in increased friction and abnormal noise. Apply some grease or lubricant to the door hinges and rails to reduce friction and eliminate abnormal noise.
Loose or damaged door accessories : Loose or damaged parts, such as the elevator and door lock, may cause abnormal noise. The damaged parts need to be inspected and replaced.
Aging or damaged door seal : The use of the seal for a long time will harden, crack and other phenomena, resulting in abnormal noise in the door during driving. You can try to replace a new seal to solve this problem.
Loose wiring harness inside the door : Loose wiring harness inside the door may cause abnormal friction with the door frame. Loose wiring harnesses need to be checked and secured.
There is debris or foreign matter inside the door : for example, if the fire extinguisher, first aid kit and other items are not fixed, there will be abnormal noise during the driving. These items need to be checked and secured.
insufficient body stiffness : the body may be deformed during driving, resulting in friction or shaking between the door and the frame, resulting in abnormal sound. Need to check the body structure is not wrong.
bearing wear : If the bearing or gear inside the gearbox is worn, it may also cause abnormal noise. Especially when bearing spots appear, it is necessary to check and replace worn parts.
The solution :
Lubrication treatment : Apply grease or lubricant to door hinges and rails to reduce friction.
Replace damaged parts : Inspect and replace loose or damaged door accessories.
Replace the seal : replace the aged seal to ensure that it works properly.
fixed sundry : ensure that the items in the car are fixed to avoid abnormal noise during driving.
professional maintenance : If the problem is complex, it is recommended to go to a professional auto repair shop for inspection and maintenance to ensure driving safety and comfort.
If you want to know more, keep reading the other articles on this site!
Please call us if you need such products.
Zhuo Meng Shanghai Auto Co., Ltd. is committed to selling MG&750 auto parts welcome to buy.
