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W210 Blower Fan Problem and Questions
After over 400K on the clock my blower fan died. No problem. Replace. Less than 6 months later, it might be dying again.
The only thing is that it died the first time and now and someone is using the car. She always turns the fan up and down depending on how hot or cold she is and when she is settled down, make adjustments. Question 1: does it make any difference from a physics standpoint? question 2: does constantly turning the fan up and down hurt the motor? TIA
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01 Ford Excursion Powerstroke 99 E300 Turbodiesel 91 Vette with 383 motor 05 Polaris Sportsman 800 EFI 06 Polaris Sportsman 500 EFI 03 SeaDoo GTX SC Red 03 SeaDoo GTX SC Yellow 04 Tailgator 21 ft Toy Hauler 11 Harley Davidson 883 SuperLow |
#2
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I think yours falls in to the year range where they updated the resistor and I think the whole blower needs to be replaced? Do you remember what was all replaced the last time? Has the dust filter been replaced lately? I can't remember if yours also has the charcoal filter.
I don't really think that someone changing the fan speed would affect the life of the resistor or blower. Hey it's possible if just the resistor was changed that that the motor could be going bad by coincidence, I mean 400K miles....... But of course on that car it is automatic so ideally she would just set the temp she wants and put it in AUTO and leave it alone, unless the defroster needs to be used.
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Click here to see the items I have up for auction at EBay Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold) |
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I did change filters and nick did install a new motor. A couple of months after I turned it over to her to use, the original one broke. Now after a few months, the new one is broken. Kinda makes me wonder if it is bad luck or whether her playing with it has something to do with it.
The wife and I just set and forget. She gets in and the car is hot so she turns up the fan. When it cools down, she turns the fan down. Since she makes many stops, this process is constantly repeated. Just wondering if it really helps you get cooler fast or is it like people hitting the elevator button again and again to make it come faster. That and if this hurts the fan. Thanks
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01 Ford Excursion Powerstroke 99 E300 Turbodiesel 91 Vette with 383 motor 05 Polaris Sportsman 800 EFI 06 Polaris Sportsman 500 EFI 03 SeaDoo GTX SC Red 03 SeaDoo GTX SC Yellow 04 Tailgator 21 ft Toy Hauler 11 Harley Davidson 883 SuperLow |
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Replaced ONLY the blower motor or both?
The fan speed should be adjusting by itself in AUTO mode, when it gets up to temp the speed should slow itself down. Maybe suggest that she alters the temp setting not the fan speed??? PS the master tech still has a flip phone and does not txt
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Click here to see the items I have up for auction at EBay Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold) |
#5
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Quote:
I probably will put a tape overthe thing since she seems like the sort that thinks that if you push the button more, the elevator comes faster.
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01 Ford Excursion Powerstroke 99 E300 Turbodiesel 91 Vette with 383 motor 05 Polaris Sportsman 800 EFI 06 Polaris Sportsman 500 EFI 03 SeaDoo GTX SC Red 03 SeaDoo GTX SC Yellow 04 Tailgator 21 ft Toy Hauler 11 Harley Davidson 883 SuperLow |
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Was the replacement part MB original? IMHO, changing the blower speed frequently has no effect on blower motor/regulator service life. If anything, the pushbutton unit is doing more work.
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#7
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I think so. Just puzzled why one motor fast after 400K and another one fails in less than 50k.
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01 Ford Excursion Powerstroke 99 E300 Turbodiesel 91 Vette with 383 motor 05 Polaris Sportsman 800 EFI 06 Polaris Sportsman 500 EFI 03 SeaDoo GTX SC Red 03 SeaDoo GTX SC Yellow 04 Tailgator 21 ft Toy Hauler 11 Harley Davidson 883 SuperLow |
#8
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Quote:
Speaking as an electrical engineer (but not automotive) I agree the only component suffering at all here is the button, and it is built to take it. If the fan failed quickly then either the problem is not the fan or you got a bad fan. For the record I have worked on several fans and regulators but never that specific car.
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra |
#9
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GILLY!!!! Where have you been? It's been almost a year. Are you okay?
Hope everything is all right. |
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