Are aftermarket drain bolts o r reused washers causing leaks in Changan Karvaan after oil changes by local workshops in Pakistan?

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Are aftermarket drain bolts o r reused washers causing leaks in Changan Karvaan after oil changes by local workshops in Pakistan?

Cheap o r reused parts may not seal properly. Are mechanics cutting corners during routine servicing?

Lubaba asked on 26 Jun 2025 16:39:08 pm

1 Answer

13 views |

Car Mechanic Expert - on 26 Jun 2025 16:45:33 pm

Yes, commonly:

Local workshops often reuse old washers o r install cheap aftermarket drain bolts.

This results in:

Improper sealing

Slow leaks

Stripped threads from overtightening

⛔ Conclusion: Low-quality parts and corner-cutting by mechanics are frequent causes of transmission leaks.

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Are aftermarket drain bolts o r reused washers causing leaks in Changan Karvaan after oil changes by local workshops in Pakistan?

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