When repairing a car, we often encounter the problem of abnormal sound of manual active transmission. Today, we have arranged the solution of abnormal sound for manual active transmission. Let's learn it together! 

變速箱異響修理解決方法

Solution to Repair of Gearbox Abnormal Sound

在診斷修理變速器異響毛病原因時，應區別異響發生的規律，依據情況進一步判別或許的毛病原因和解決方法。

When diagnosing and repairing the cause of abnormal noise in transmission, we should distinguish the rule of abnormal noise occurrence in advance, and further distinguish the possible cause of abnormal noise and solve the problem according to the situation.

轎車怠速時或行進過程中，在駕駛室聽到變速器部位有異響。

When a car is idling or in the course of driving, there is an abnormal noise in the transmission part of the cab.

其或許原因是：

Perhaps the reason is that:

變速器油短少或油質變壞;變速器軸承磨損、松曠或軸承損壞;變速器軸彎曲;齒輪嚙合不正常，嚙合空隙過大或過小;齒輪齒面金屬脫落，齒牙開裂或修理安裝錯位;變速桿與變速撥叉凹槽松曠。

The transmission oil is short or deteriorated; the transmission bearing is worn, loose or damaged; the transmission shaft is bent; the gear meshing is abnormal and the meshing gap is too large or too small; the gear tooth surface metal falls off, the teeth crack or repair and installation dislocation; the groove of the transmission rod and the transmission fork is loose.

相應的處理措施為：

The corresponding treatment measures are as follows:

轎車行進中有金屬干沖突聲，用手摸變速器外殼有棘手的感覺，這是因為短少光滑油或光滑油變質而引起的響聲，應加油或查看油質，必要時替換。

There is a clash of dry metal in the car, and it is difficult to touch the transmission case by hand. This is due to the noise caused by the deterioration of short smooth oil or smooth oil. The oil quality should be oiled or checked and replaced when necessary.

空檔時變速箱有異響

There is abnormal noise in gearbox in neutral gear

空檔時有異響，踏下離合器踏板后聲音消除，一般為變速器一軸前后軸承磨損、松曠或常嚙合齒輪響，如換入任何檔位都響，多為第二軸后軸承響，對于嚴峻松曠或損壞的軸承，應進行修理或替換。

When in neutral, there is abnormal noise, after stepping on the clutch pedal, the sound is eliminated. Generally, the wear of front and rear bearing, loose or meshing gear noise of one shaft of transmission are common. If any gear is changed into gear, the noise of rear bearing of the second shaft is mostly. For severe loose or damaged bearings, repair or replacement should be carried out.

車輛低速行進變速箱異響

Abnormal noise of low-speed vehicle transmission

車輛低速行進時呈現，無節奏的“嘎啦、嘎啦、嘎啦”的噪音，而在車速增加時變為較雜亂的齒輪碰擊聲且掛檔也響，或許是因為變速器內齒輪嚙合不良引起的，如響聲細微且較均勻，可繼續磨合運用，如較嚴峻且不均勻時，應拆下查看，必要時應重新調整或予以替換。

The noise of "Gala, Gala and Gala" without rhythm appears when the vehicle is moving at low speed, but when the vehicle speed increases, it becomes more chaotic gear collision noise and gearshift noise. Perhaps it is caused by the poor engagement of gears in the transmission. If the noise is fine and uniform, it can continue to run in and use. If the noise is severe and uneven, it should be removed and checked. If necessary, it should be readjusted or given. Replace.

發動機怠速工作變速箱異響

Abnormal sound of engine idle gearbox

發動機怠速工作時，宣布“嘎啦、嘎啦、嘎啦”有節奏的響聲，加大油門時響聲更嚴峻，并感到變速器有轟動的現象，一般是因為齒面脫落或輪齒開裂掉牙所造成的，假如修理安裝錯位，齒輪偏移，也會宣布此響聲，遇此情況，應解體查看，必要時予以替換新件。

When the engine idles, announce that "Gala, Gala, Gala" has a rhythmic sound. When the accelerator is increased, the noise is more severe, and the transmission is sensed to be sensational. Generally, it is caused by the tooth surface falling off or the tooth cracking. If the repair and installation is wrong, the center of the gear is offset, it will also announce the noise. In this case, it should be disintegrated and inspected, and if necessary, it should be replaced with a new one. Pieces.

變速箱無節奏異響

Non-rhythmic abnormal sound of gearbox

行進中某檔呈現無節奏而沉悶的響聲，用手握住變速桿時響聲即消失，或許是因為該檔齒輪撥叉凹槽磨損或變速桿下端工作面磨損所造成的，應拆檢修正或替換。

During the course of travel, the noise of a gear appears to be rhythmic and dull. The noise disappears when the transmission rod is grasped by hand. Perhaps it is caused by the groove wear of the gear dialing fork or the working face wear of the lower end of the transmission rod. It should be disassembled, corrected or replaced.

變速箱換入某檔異響

Change gearbox into a gear with abnormal noise

行進中換入某檔后響聲顯著，即為該檔齒輪磨損過甚而發響，若宣布周期性的響聲，則為單個輪齒損壞。變速操作時宣布俄然碰擊聲，或許是輪齒開裂，應及時拆開變速器查看，進行修正或替換。

When a gear is changed into a gear, the noise is remarkable, that is, the gear is worn too much, and if the periodic noise is announced, the single gear is damaged. When the transmission is operated, it is announced that the sudden bump may be the cracking of the gear teeth. The transmission should be removed and checked in time for correction or replacement.

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