[redir]

I replaced the fan about two yerars ago and it worked great up until about 3 months ago or so. It seems as if the fan is stuck on the low setting no matter if I hit auto or high so I am guessing it's electrical, like the switch or something.

Any ideas on how to diagnose this issue? Best guess etc...

Regards.

 

[redir]

Bump

 

[tuttebenne]

I guess no one is manning up with a response because this is probably the most frequently written about subject. A search would yield more information than you need. The short answer however is that you probably have a bad regulator. It is attached to a porcupine-like heat sink directly under the blower motor. So the good news is that you already know how to get to it because you replaced the blower motor a couple of years ago. Personally, I would never buy a new one and would rather just pick up one or two at the boneyard for a half a hundred for the pair and put one on the shelf.

 

[redir]

I guess no one is manning up with a response because this is probably the most frequently written about subject. A search would yield more information than you need. The short answer however is that you probably have a bad regulator. It is attached to a porcupine-like heat sink directly under the blower motor. So the good news is that you already know how to get to it because you replaced the blower motor a couple of years ago. Personally, I would never buy a new one and would rather just pick up one or two at the boneyard for a half a hundred for the pair and put one on the shelf.

ok thank you. I understand forum dynamics and as an IT person I also understand forum searches So anyway thank you so much for the info I will look into it in time, I'm lazy and it's cold outside and I don't have a garage so it may be some time but I will just post to this thread again as I progress, or not, so that future e420 owners (may they last for ever) can learn.

Talk about learning, yeah the new blower moter was god awful price.

regards.