A4 b8 heater core leaking

usmanrrana82

Registered User
Hello everyone. I recently purchased an audi A4 2011 pre facelift 1.8tfsi with 93k km on the clock. Soon I realised that the floor carpet on both front sides under the mats were wet with some kind of fluid. I wiped it with tissue and noticed that its pink so I thought about the coolant. I also noticed that when I turn on the heater it smells very funny almost like pickle and the heat level is very low even when running at max. Also the coolant level is dropping after everyday driving. I placed lots of tissue under the mats and realised that the fluid is coming from the top corner of the footwell where it meets with the bottom of center console on both sides.

Do I have a leaking heater matrix or could it be a leak in some connecting pipes? How difficult is it to replace the matrix on these models? Does it involve ripping out the dashboard or is it just done from the side panel next to the accelerator pedal? My car is a LHD

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usmanrrana82

Registered User
Does anyone know if in a b8 the heater core is replaced by removing the dashboard or through the access panel to the side of the footwell?

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usmanrrana82

Registered User
Ok so I took the car to my local vw specialist and he has confirmed that the dash needs to be pulled out for the heater core change. The price for a new heater core from my local Audi dealer is 400$. However I have sourced a used one from ebay uk for only £16. My car is a lhd I am not sure if this heater core from a rhd car will fit mine or not. Any ideas?

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Check part numbers ? Also worth thorough inspection and pressure testing the used eBay one, if it is suitable, before fitting.
 

usmanrrana82

Registered User
Thanks gary. Sorry there are no part numbers embossed on it anywhere and I cannot find anything online on it. Can someone tell me a source where I can find the part numbers for Audi online

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Amongst others: http://www.oemepc.com/ - just make sure you select correct market for where you are based, eg, UK or USA
 

usmanrrana82

Registered User
Thanks gary I found the part number on Audi USA website. The part number is 8K0898037A and luckily its the same for both rhd and lhd and the pictures are match up. I think I am in luck

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