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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old October 6th, 2019, 07:58   #1
superduty_59
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Default 2015 Passat SE TDI 6M radiator leaking

Just did a oil and filter service yesterday. While under the car in the very bottom of the drivers side corner the radiator is seeping coolant where the plastic tank and the core meet. I haven't really lost any coolant in the degas bottle yet. Car has 57k now and had dealer replace water pump under warranty last year. 1) is this common to leak here? 2) any chance this is covered under warranty? 3) if not covered under warranty any big difference between the $79 radiators or the $300 radiators? Thanks
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Old October 8th, 2019, 05:14   #2
06bluebeetletdi
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I donít know on the warranty question, but i would put a vw radiator back into the car. It is what the car is designed for and with as hot as they are running, i would not risk putting a cheaper radiator in the car.
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Old October 8th, 2019, 05:30   #3
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You first need to determine WHICH radiator you need, there are two.

I would want to get one of the OEM units, Valeo *might* be who makes them both, not sure. The NMS uses some domestic suppliers for some things.
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Old October 19th, 2019, 08:25   #4
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Thanks for the reply guys. I will look into it.
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Old October 21st, 2019, 08:54   #5
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Quote:
Originally Posted by superduty_59 View Post
Thanks for the reply guys. I will look into it.
I had the same failure, went to Wal Mart, spent under $5 and bought some radiator stop leak. It held for many months prior to VW buying the thing back.

If you go this route, make sure you get the correct type, as there are several for different Anti Freeze types.
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Old October 21st, 2019, 09:29   #6
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Do NOT, ever, add stop leak to your cooling system. Ever.
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Old October 21st, 2019, 09:48   #7
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I believe Valeo makes both units.
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Old November 9th, 2019, 07:11   #8
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Thanks guys for the replies. I have been lazy and haven't done any more investigation. I definitely wouldn't add stop leak to anything I was planning on keeping though.
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