Electrical connector：
In addition to a handful of important automotive electrical connectors with gold contacts, most of the remaining fittings are made of copper - zinc alloy, under normal circumstances, its reliability is guaranteed, but if the car is a long time in high temperature, high humidity , under the bumpy operating environment, it is possible to produce these joints loose, corroded, poor contact and other failures, and some strange electrical fault resulting mostly. Therefore, during routine maintenance, should focus on joint examination board computer, sensors, fuel injectors and other components.
Automotive chassis parts：
From the perspective of the use of the term, chassis components actually easier than the engine problems, but during routine maintenance, a lot of people tend to ignore the inspection of the chassis components. Chassis parts prone to failure is mainly focused on:
1, the shock absorbers : Oil spills are a harbinger of the shock absorber damage , in addition, on bad roads bumpy significantly exacerbate or longer stopping distance is also a sign of damage to the shock absorber .
2, the suspension control arm sleeve : sleeve damaged vehicles will appear after wandering , playing swing and a series of failures, even when doing wheel alignment will not help. If you carefully check the chassis, pouches damaged very easy to find.
3, the steering rod : steering rod relaxation is a serious security risk, therefore , during routine maintenance , be sure to double-check this site. Approach is very simple: Hold the rod, shake vigorously , if not shaking, it shows everything is normal, otherwise, it should be replaced ball or rod assembly.
4 , the exhaust pipe : exhaust pipe is one of the most easily damaged parts of the vehicle , do not forget to look at when the overhaul . Especially with catalytic converters in the exhaust pipe , it should be carefully checked.
5, the universal joint dust cover : Do not underestimate the outside of gimbal dust jacket , it is not only the role of dust , but also to prevent loss of grease gimbal around dust jacket once worn , grease soon will be lost due to dry grinding , universal joints, easily damaged.
Car tires：
Note that regular replacement of tires, a set of tires and then durable, can not be used for a lifetime, some people work easily, lower frequency of use of the car, a tire after a few years of use, the tread surface is intact, but in fact tire performance period will increase with the aging slowly, gradually reduce the quality, if not understand this, think "surface looks good," it means that the tire is no problem the wrong way.
When tire maintenance, first clear the tread inclusions in the stone, etc., to check whether the tire bubbling layer, lacerations, variable pass away, aging and other faults; followed when removing the tire on the rim rust, check the tube and liner with no damage or wrinkles phenomenon, according to the provisions of pneumatic pressure, flange or transposition of tires. Also, check the tires and wing, trunk floor, leaf springs, fenders and other phenomena linked to the presence or absence of friction touch.
Car battery：
Electrical system battery is the key in the car, use a lot of electrical devices, the battery is not working properly, it will affect the performance of many devices. E.g. in an automatic transmission car, if the battery is abnormal, such cars will not be started. Therefore, you must always be able to get a stable power supply.
Check the battery level, if considered appropriate level located between the upper and lower two engraved lines. Level should also be checked each slot is poor. If not enough liquid, you can unscrew the top of the battery cover, pour distilled water make up the surface.
Check the battery terminals, in addition to iron brush terminals on the contamination. If the wiring clamp badly soiled, you can use sandpaper to rub down the inner wall of the move, remove dirt.
For more details auto parts, visit:control arm manufacturers
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