Today I used Klima-Cleaner on the evaporator to see if I can freshen it up. It doesn't really smell too bad, it's just when the evap warms a bit there is a hint of a bad smell. Turns out using the Klima-Cleaner on the MK-7 is no easy task. I tried pushing the tube the the blower squirrel cage aiming at the evaporator but it is impossible to know if it actually went to the evap or just curled up in the blower compartment. I didn't feel comfortable letting the contents out with the possibility of flooding the electronics I saw below the squirrel cage when I took a picture in there with my phone. I finally ended up removing the right side console trim and pulled the carpet back and disengaged the drain tube from the tunnel. This is not easy as you have to pull so hard on it you are afraid it will break. Well then there is a 90 right there and the hole is tiny, could not get the application tube to fit that either. So then I pulled the other end of the drain tube off the evaporator housing and stuck the tube in there. To pull that end off you must unplug the air bag harness and cover both ends with something water proof, then pull quite hard to slide the tube off. I then put rags all around the evap and pumped it all in. Then I realized it was not 100% foam, there was liquid in there and I was holding my finger on the drain to keep it in while I summoned my wife to help. She brought me my box of tubing but none was big enough to fit over the evap tube, so I ended up putting the drain tube back on with the other end in a jar, but lost most of the liquid into the rags. If I ever do this again I will use a plastic hose that fits over the evap drain, pump it in then lower the hose and let it drain into a jar. As a side note, although the drain tube is very hard to remove, it re-installs very easily, especially when it is wet.
A short test drive and no real odor noticed, time will tell. Next time I may just use Lysol sprayed into the blower housing.
A short test drive and no real odor noticed, time will tell. Next time I may just use Lysol sprayed into the blower housing.