Hi all 

i have a Mk2 1.9 TDI 2058 with a slight coolant leak and no heat coming from the heater, the fan/ flaps all work and have been reset but still makes no difference so im going to replace the heater matrix.

I know it can be a big job but seen a video where a guy replaced his without taking all the dash out, but any pointers anyone can give would be apricated.

 

Also how much coolant will i need to refill the system.

 

Many thanks   

Last week I did change the heather matrix in my 2012 2.0 TDI. Prior to the repair I watched several HOWTO youtube video's. A big help in removing the matrix is cutting both piper 1 1/2" away from the connection with the pipe that come from the bulkhead. This makes it easy to remove both matrix and removing the pipe bits from its connection with the bulkhead pipes. The advantage: no damage on the bulkhead pipes.

In case you have knee airbags fitted, take your time to remove it because the device is a pain to remove. As the electrical connector is an awkward one, take a picture of it and ask google how to disconnect it.

Concerning the required quantity of cooling liquid, the instruction manual prescribes 8.4 liters. Drain the coolant by removing both hoses of the auxiliary water pump.

Finally, if you are in the possession of an air compressor, you can empty the matrix from all left over coolant by blowing air through the pipes in the bulkhead, doing it this way one keeps the foot well fro from coolant. At Amazon I bought a vacuum device (with help of the compressor) for refilling the system with new coolant. This works perfect.