Why do many Changan Kalam users in Pakistan report hard o r jerky gear shifting during normal driving conditions?

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Why do many Changan Kalam users in Pakistan report hard o r jerky gear shifting during normal driving conditions?

Several drivers claim that shifting gears, especially in lower gears, is not smooth. Is this due to poor gearbox design o r low-quality transmission oil?

Sirat Ul Jinan asked on 18 Jun 2025 17:50:43 pm

1 Answer

9 views |

Car Mechanic Expert - on 18 Jun 2025 17:54:08 pm

✅ Yes — rough shifting is a common complaint, especially in 1st to 3rd gears.

Likely causes:

Inconsistent gearbox design o r poor-quality synchronizers

Thick o r low-quality factory transmission oil, which worsens in cold o r hot temperatures

Unrefined clutch engagement makes transitions harsh

🔧 Suggestion: Changing to high-grade gear oil GL-4 o r GL-5 often improves smoothness. Some users report better results with fully synthetic gear oil.