|
|
How to check auto transmission is very important to buy a second-hand car owners
|
Release time:2013.03.31 News source:Yuhuan Luoxin Automobile Parts Co., Ltd. Browsing number: |
Second-hand car market in the increasingly prosperous, different people have different identification method used car, and some people will come to distinguish from the appearance of some people accustomed to see the interior, while others will go to check the engine. Identification used car, exactly what is effective? Second-hand car market, there is a very effective way to check is the transmission of the used car. Check the transmission Guadang, shift, listening to the sound, check the leak situation to determine the case of the car. The automotive transmission is the needs of the different requirements for the driving wheel traction and the vehicle speed by changing the transmission ratio, to change the torque of the engine crankshaft, to adapt to different driving conditions at the start, acceleration, traveling and overcome various roads hindered. Popular divided into a manual transmission (MT), the automatic transmission (AT), the manual / automatic transmission, a stepless transmission. Automotive Transmission is generally composed by former cabinet after cabinet.
1, check all forward gears and reverse gear. If each Guadang are grinding gears, the clutch hydraulic system or transmission failure.
2, check whether the normal into the block. If not normal Guadang or gear crash or hang after very difficult to push back to neutral, etc., transmission shift problems after flameout hand holding the shift lever, if very loose any swing, may positioning failure caused. If not loose shift difficulties, is likely to cause a shift when the crash is a synchronization fault. Required after the occurrence of such failure into the factory for repair.
3, if moving the shift lever to jump back to neutral, may be serious wear and tear of gears and gear sets, resulting in bearing loose or axial gap is too large, you need professionals to view a gear meshing. If it is found transmission oil spill, it is possible to seal the bad seal or seal damage of the transmission output shaft. Lubricants excessive or air vent poor also cause oil spills.
4, if the transmission is in the neutral position in the engine idling state and abnormal sound, may be installed by the first axis of the crankshaft and the transmission concentricity deviation, may disappear when depress the clutch pedal. Impact caused by the transmission casing damage into the block abnormal sound may be mutually gear, or gear damage caused by the crash in the engagement process.
The transmission is a very important car parts, especially in the second-hand car market, do not rule out a lot of used car transmission there will likely be hidden, so check for it can not be ignored. |
|
|
|
|