What causes unusual noises o r vibrations from the JAC T6 transmission?

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What causes unusual noises o r vibrations from the JAC T6 transmission?

Some drivers notice clunking, whining, o r grinding noises coming from the gearbox, particularly when accelerating, decelerating, o r shifting gears. What are the common causes of these transmission noises in the JAC T6 — for example, worn bearings, damaged gears, o r issues with the driveshaft — and what maintenance o r repairs can prevent long-term damage?

Talha Kyanii asked on 13 Dec 2025 11:19:51 am

1 Answer

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Gari Master - on 13 Dec 2025 11:21:08 am

Clunking, whining, o r grinding noises often indicate mechanical wear o r lubrication issues:

Worn bearings o r gears: Over time, bearings inside the gearbox can wear out, producing whining o r grinding sounds.

Damaged o r misaligned driveshaft/couplings: Vibrations may come from worn universal joints o r misaligned shafts.

Low o r contaminated transmission fluid: Insufficient lubrication increases friction, resulting in noise and heat.

Clutch o r gear engagement issues: Manual transmissions can make grinding noises if the clutch is worn o r if gears are forced.

Maintenance tips:

Ensure transmission fluid is clean and at the correct level.

Inspect drivetrain components for wear.

Avoid aggressive shifting, especially with manual gearboxes.