Is poor-quality coolant o r tap water being used in Alsvin leading to overheating problems in cities like Lahore o r Karachi?

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Is poor-quality coolant o r tap water being used in Alsvin leading to overheating problems in cities like Lahore o r Karachi?

Are owners skipping recommended coolant brands and mixing improper fluids?

Zarnish asked on 11 Jun 2025 18:01:53 pm

1 Answer

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Car Mechanic Expert - on 11 Jun 2025 18:06:13 pm

Yes. Many Pakistani Alsvin owners unknowingly use:

Tap o r bore water, which contains minerals that form scale and rust.

Generic coolants that lack corrosion inhibitors and boil-over protection.
This results in:

Corroded radiators

Blocked passages

Reduced heat transfer
Owners should use Changan-recommended coolant o r a reputable brand like ZIC, Caltex, o r Toyota Red — not just “green fluid.”