手动变速器常见的故障是?

2025-03-17 02:02:46
推荐回答(4个)
回答1:

故障现象:变速器跳档

故障原因:1.换档杆调整不正确2.齿轮或齿套牙齿磨损成锥形3.轴、轴承或齿轮磨损松旷或轴向窜动过大4.叉轴的定位凹槽或定位球磨损,定位弹簧拆断5.同步器锁环锥面磨损、变形或损坏6.变速糟与发动机连接螺栓松动或紧度不一致

排除方法:1.检查、调整2.更换齿轮3.更换轴承、轴或齿轮,轴向窜动大应进行调整4.更换损坏件5.更换同步器锁环6.按规定扭矩拧紧

故障现象:变速器乱档

故障原因:1.变速杆定位销磨损松旷、丢失2.互锁销磨损3.变速杆下端拨球磨损

排除方法:1.更换定位销2.更换3.修复或更换变速杆

故障现象:换档困难

故障原因:1.离合器分离不彻底2.叉轴弯曲,叉轴与孔锈蚀3.操纵杆调整不当4.同步器损坏

排除方法:1.查明原因,予以排除2.清洗、校正叉轴3.正确调整操纵杆4.更换

故障现象:变速器发响

故障原因:1.变速器缺油或油变质2.轴承磨损或损坏3.齿轮啮合不良,修理时没有成对更换齿轮4.齿面疲惫脱落或牙齿损坏5.同步器磨损或损坏6.变速器内掉有异物

排除方法:1.更换润滑油2.更换轴承3.重新更换成对齿轮4.更换齿轮5.更换同步器6.分解变速器,取出异物

回答2:

⑴变速器漏油

故障现象

变速器盖、侧盖、轴承盖、一、二轴回油螺纹或油封处有明显漏油痕迹。

⑵变速器跳档

故障现象

汽车在行驶中,变速杆自动跳回空档,此现象多发生在重载加速或爬坡时。

故障原因

变速器跳档的根本原因是换档啮合副在传递动力时,产生的轴向力大于自锁装置的锁止力与齿面摩擦力之和,导致啮合副脱离啮合位置。

回答3:

手动变速器故障主要为机械故障:
1、油液泄漏:
2、挂挡困难
3、乱挡现象
谢谢,望采纳

回答4:

这个一般就是掉档 乱档 挂档困难 异响 漏油。

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