Coolant leaking from front of car

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04-20-2024, 07:52 AM

nathan_bugger

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Coolant leaking from front of car

I have a 2015 A3 1.8t that i just replaced the water pump and thermostat housing on with the oil cooler union pipe a few months ago and now under pressure there is another leak. anyone have ideas on what else it could be? I don't see any coolant coming from the water pump area but its for sure coming from the front of the vehicle. I will update if i find anything new. Just looking to see if anyone has any other ideas as to what it could be.

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04-20-2024, 09:18 AM

nathan_bugger

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update: the water pump or thermostat housing is only leaking under pressure. what would casue this?

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04-26-2024, 01:04 AM

rdA4WtQ5

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Quote:

Originally Posted by nathan_bugger

update: the water pump or thermostat housing is only leaking under pressure. what would casue this?

Are your new parts OEM parts? If not, and especially if the parts are made in China, I would start over with OEM parts.
If you used OEM parts then all sealing surfaces were not prepped (cleaned) correctly first before installing.