September 8, 2017 Followup from the Pelican Staff: if vibrating, something is in the blower cage or the blower cage is broken, causing an imbalance. The computers are programmed with base parameters and utilize sensor inputs to make adaptations and control component outputs as needed. Are you sure there isn't a screw that's holding the motor in place before you attempt to rotate and pull it out? I would start by checking the vehicle for fault codes. If its regular heater it doesnt adjust anymore it is stuck on low heat. This appears to be the only power source into the blower motor. The trick to the little duct is to put it in first.
Dealer never fixed it til I went in twice and told them to read the codes. February 6, 2016 Followup from the Pelican Staff: Right side bottom of heater housing. It may be adviseable to put a few old towels on the left fender before doing this, and also disconnecting the battery. I was getting no air from my ventsfront and rear. See our tech article on battery replacing. Does the resistor send a good signal when the blower acts up? I won't be surprised if the fan I'm replacing is functioning perfectly, and the noise I'm hearing is actually normal. I have a 2008 328xi.
It will have the procedure, special tools and torque specs. Here we are in the summer where the temps are in the lower 90s and I've decided to look into the situation again Better late than never! There is not a reprogramming procedure needed on these things is there? So you're saying a 14. You can change it by removing the lower foot trim on passenger side of vehicle, or for even easier access, In this tech article I will highlight how to replace the blower motor and the blower motor resistor separately. I have checked the signal from the control panel to the final stage. May 28, 2015 Followup from the Pelican Staff: Check the signal from the control panel to the final stage. December 7, 2015 Followup from the Pelican Staff: Yes.
Try to pull it straight out if you can but you may need to work it side to side until it is loose enough to pull off. In my case it looks like the fuse wasnt sitting in the slot properly or something. Remember your car may have been serviced before and parts replaced with different size fasteners used in the replacement. A little bit of research indicated that fuse 33 was the fuse, but the fuse was not blown upon inspection. Try a 1 volt scale with 500ms time base. June 17, 2016 Followup from the Pelican Staff: Make sure the heater housing drain is clear.
Side note: Did you go for a brand-new fan? You should either a circuit that begins with low voltage and goes high or vice versa. This morning my fan stop blowing air again. When I was searching for the part I came across 2 variants, I used the one for the N51 engine. But I did drive with that error for a good 10k miles before finally getting it fixed, so i wouldnt be too concerned about it hurting the car. What are the 3 screws going into the blower motor it self? Note that the screws were on pretty tight, and the flexible shaft does contort but I just kept turning counter-clockwise even when the shaft was bending and it eventually broke the screw loose. The dash controls show that everything is working properly. At this point I decided to reach in with the other hand and lift up under all the electronics and wires.
The front of the fuse box has a cover with two tabs. February 9, 2014 Followup from the Pelican Staff: Grab a wiring diagram. John, Vinny Pazienza, Earnie Shavers, Leon Spinks and many more. February 28, 2016 Followup from the Pelican Staff: Thanks for the feedback. But in normal operation I don't think the fan spins up to that test speed. This will surely help other people who are about to do this job.
It will have the procedure, special tools and torque specs. The only way I can stop it from running is to disconnect the battery. February 21, 2016 Followup from the Pelican Staff: It could be. Press down heavily on the cover and flip the tabs off. Remover the cover exposing the fuse board. Not sure if there's anything else in the way or how the fan is held in place. On a similar model it is F67 50 amp in junction box A4010.
Please be prepared to show proof of age onsite. So to confirm, with the car running I am reading 'charge voltage' 14. If you think getting it off is tough, wait till you have to put it back on. It will have the procedure, special tools and torque specs. I would grab a repair manual.