Car gear-box gave out unusual noise, this also is divided for several kinds of circumstances, after the analysis is clear about be what reason, we just can find out corresponding method handle.
When occasionally our meeting discovery hangs neutral, gear-box has abnormal knocking, but when stepping on next clutch, sound can disappear again, this kind of circumstance is normally, transmission the bearing of one axis around appeared to wear away, become loose or sound of sth astir of gear of constant clench the teeth, if changed other file, have the word of unusual noise, because the bearing after the 2nd axis is noisy,the likelihood is.
Should discover the bearing inside the car, produce loss or be when becoming loose, when travel of car low speed when, gear-box gives out the circumstance of abnormal knocking, and after the car undertakes acceleration, and abnormal knocking can come out when put into gear, because the gear clench the teeth inside transmission is undesirable,this may be, if noise is less, if sound is relatively even, continue to use without what big still question, if noise is bigger inhomogenous still, that is checked well with respect to need, send maintenance to perhaps change when necessary.
Additional, still have engine idle fast movement when, the circumstance of gear-box abnormal knocking, noise has rhythm quite, after increasing accelerator, noise is bigger, transmission still arose to shake, because tooth flank falls off,this is normally, or the tooth that is gear ruptures drop those who cause, still be the installation amlposition of gear likely additionally, appear these circumstances, also want to be checked in time, change when necessary spare parts, car is be expert at when sailing, gear-box still can be given out possibly, without the more depressing noise of rhythm, after capturing gearlever, noise disappears, because,this may be, this archives gear dials forked groove attaint, or the one side below gearlever wears away cause, need tears open gear-box come down to check repair.
Above is gear-box abnormal knocking is fastened anxious repair, very much old driver is the introduction of such processing, the hope can help great master.
