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Old 09-17-2011, 04:09 PM   #2
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every season when the 4S shop will launch a number of free test items to help you check the car's basic condition, and almost 100% of the manufacturers will provide Chassis inspection of the item,la gears sneakers, but do not underestimate the chassis inspection of the item, good or bad to know that Chassis Systems related to whether our normal driving the vehicle, and second-hand car market to determine the fineness of the vehicle good or bad, to see the chassis is the most intuitive judging criteria. Well, today we talk about the chassis together aspects of conservation knowledge.
First, we in the end it said, because the chassis will cause damage!
one, drag the end of the chassis
really impact foreign and domestic road construction, speed really surprised me today, tomorrow, just fix the road again In most cases, when more will have a large stone or a bumpy place, this time our car in the drive to this road would not pay attention when a large rock or other road to prominence with his close contact with the vehicle chassis ,la gear mens shoes, that is,la gear footwear, we often say that drag the bottom.
the end of this happens the drag of uncertainty, it is easy to give in the chassis parts and cause damage, such as: broken shell catalytic converters,la gears, engine oil pan crack, transmission or suspension system shell crack deformation, the occurrence of these problems will be brought to your car is a fatal injury.
Second, corrosion
current environment is getting really bad, even under the rain is acid rain, and in this environment we will increase the car may be damaged. As is often the chassis and sewage, oily substances such contact, the chemical composition of these substances will slowly corrosion on the chassis and chassis parts, so the chassis, we should pay more attention to corrosion.
have just said, rain, corrosion of the chassis will be the risk of sludge, the winter to melt the snow melting, and sea water can corrode our chassis, especially sea water, if you go to the beach outside the car must not drive the truck into the sea (though this is pulling the wind), sea water corrosion on the chassis will be very strong. If the very attention to the chassis in contact with water, then as soon as possible with plenty of fresh water or neutral detergent to wash the chassis.
Third, how to avoid
general in order to prevent the occurrence of just two easily lead to damage to the chassis to happen, 4S stores will recommend to the car owners to install the engine guard on the chassis or commonly known as protection. Install the engine guard I highly recommend this proposal, because some of the cost of economy cars to save the engine and gearbox will not be installed under protection, so also let the engine and gearbox in direct contact with the road. And after installation of the engine guard, you can be man-made engine and transmission and chassis in the front part of the important parts protected, so that even if the situation does occur the underpinning will be in contact with guard, and will not damage important parts.
The following is a spray in the car chassis mm thick layer of 2 ~ 4mm elastic sealing material, the chassis can be effectively protective armor on the chassis of gravel hit the road,la gear, a slight delay to prevent the bottom friction; prevent acid, alkali and salt corrosion on the chassis ; to prevent the chassis screw loose; reduce transmission of noise when driving to increase the sense of driving quiet; prevent iron chassis, heat conduction, so that the cab cool.
just said the two chassis protection measures are in my personal car was used, which measures the engine guard that is very useful, especially for those models of soft spring suspension is useful because travel at higher speeds when the potholes on the road passing through the soft ground during the spring, the compression engine will reach the limit leading to other important parts of objects in contact with the ground lead to damage. As for the
knowledge extension:
1) How to choose a qualified engine guard
engine protection moderators have four categories: hard plastic, resin, steel and aluminum. Different types of materials used in the protection board, and its characteristics are essentially different, I believe you will read the following introduction to understand the choice of what kind of engine guard.
one. hard plastic, resin protection board.
less expensive production process is simple, but it should be noted that this material is easily broken guard especially in winter, is itself vulnerable to damage beyond repair after crushing will not achieve long-term protection.
advantages: light weight, low price
Disadvantages: easily damaged
II. or manganese alloy steel protection plate.
choice but to note that such protection board, is its style and vehicle design and matching accessories matching the quality, we must use the regular factory product. And this material can shield the maximum protection of the engine and chassis Chengdu important parts, but the drawback is the weight and sink.
advantages: strong impact
Disadvantages: Weight Shen
III. aluminum alloy plates.
to note is that many beauty shops pushing this product, see is the high profits behind high prices, but far less than the hardness of steel protection plate. Damage difficult to repair, alloy material is difficult to determine the characteristics of extreme complexity, but it is characterized by light weight.
advantages: light weight
Disadvantages: high price, strength of materials is not high
engine guard installation is very simple, as long as the purchase to meet your vehicle model can shield installed in 10 minutes,la gear sale, or even You yourself can complete the operation.
2) the market price is not the same chassis armor, how to choose. ?
armor on the market price of the chassis is very uniform, from several hundred dollars to a thousand dollars on, but basically all armor construction of the chassis can be used in place substantially similar materials, but is not the same manufacturer. The lack of institutional management, and chassis armor prices very high margins, so you select the construction site at the time, please be aware that usually a relatively good quality and price of the chassis armor 500-800 yuan. Currently the main use of the brand on the market in Germany and the United States 3M, Henkel.
Also, if you decide to chassis armor, optimistic about the construction of certain parts of your equipment, First, carefully remove the chassis to oil, the use of special detergents to asphalt, oil and other clean, completely removed after the drying, the treatment will affect any negligence, Then the drive shaft and other rotating systems, exhaust pipes and other parts need to heat the waste paper with tape or a sealed spray. So as to avoid accidental injury, affecting their normal operation, and to complete the construction will be the removal of tape or paper to avoid danger. (Large river)
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