After replacing the timing belt and tensioner pulley the engine started overheating?

2011 MITSUBISHI PAJERO
221,536 MILES • 3.5L
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HOSSAM HAççAç
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My car initially was okay. then i changed the timing belt and tensioner pulley, after some time it started to overheat on idle, if the car is running almost no problem, may be some time the temperature little up but on idle goes up more and more. i changed the radiator, water pump, thermostat and fan motor. No leakage and i replaced the coolant.
what could it be?
Sep 6, 2023 at 7:36 AM
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STRAILER
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The only thing left is a blown head gasket, to confirm this guide help you run the test to confirm the issue:

https://www.2carpros.com/articles/head-gasket-blown-test

Please go over this guide and get back to us.
Sep 6, 2023 at 12:49 PM
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