What Causes the Rattling Noise in the H6 Transmission?

1 Answers
DiMicah
07/29/25 7:19pm
Here are the reasons for the rattling noise in the H6 transmission: 1. Bearing wear: Loose bearings due to wear, deformation of the shaft or housing causing changes in the center distance between meshing gears and misalignment of axes. 2. Spline groove wear: Wear of the sliding keyway on the shaft and the internal spline groove of the sliding gear; loose fastening bolts in the control mechanism and wear or deformation of the shift fork, leading to gear displacement. 3. Improper operation: Incorrect driver operation, such as aggressive starts or poor coordination between hand and foot during gear shifting, can cause significant impact loads in the transmission, resulting in broken or shattered gear teeth and subsequent noise.
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