Are Pakistani Changan Kalam drivers following the correct engine oil grade and change interval recommended by the manufacturer?

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Are Pakistani Changan Kalam drivers following the correct engine oil grade and change interval recommended by the manufacturer?

Using incorrect oil viscosity may lead to faster burning. Are local workshops using the right specifications?

Sirat Ul Jinan asked on 24 Jun 2025 17:45:48 pm

1 Answer

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Car Mechanic Expert - on 24 Jun 2025 17:52:58 pm

In many cases, no.

Changan may recommend a specific grade like 5W-30 o r 10W-30, but local workshops often use 20W-50 too thick o r low-grade 5W oils.

Oil change intervals are often extended beyond the recommended 5,000–7,500 km, especially in non-dealer services.

Incorrect oil grade leads to:

Poor oil flow

Higher oil consumption

Extra engine load during startup

So non-compliance with oil specs is a widespread issue in Pakistan.