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#1
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Rebuilt blower motor? Need advice for 82 CD
Hi guys,
The blower motor is toast on my 82 CD. Fall is approaching so I am starting to think about those cold MBZ mornings again. So it looks like a New Blower runs around $400-$500. Used ones on ebay (no idea how long or IF they actually work are around $50-$100. My question is, does anyone know of a place that sells REBUILT blower motors? Any thoughts as to the cost and quality?
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1982 300 CD "The Shady Lady" Silver Blue Metallic Pacific Blue Interior 1984 BMW 633 CSi Bronzit Beige Metalic Perlbeige Leather |
#2
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Can you order just the motor with out the squirrel cage? I paid $110 for a new Bosch without the cage. The price is obnoxiously high with a plastic cage added.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#3
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$3 worth of brushes will fix most of 'em.
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Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE |
#4
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Providing the bearings are still good. I wish they were easy to rebuild.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#5
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Make sure it has failed. I tested one in car, nothing. After getting on the work bench, I tested it again, works fine. I reheated some cold solders, it's working now.
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83 SD 84 CD |
#6
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bench test it before getting rid of it. I have had some that didnt work in the car, removed it bench tested it and it worked and worked in the car.
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1986 300SDL, 211K,Dealership serviced its whole life 1991 190E 2.6(120k) 1983 300D(300k) 1977 300D(211k) |
#7
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This is something you can rebuild yourself, but to answer your question there is a place out of WA, merc.....source.com that sells just the motor sans squirrel cage. They're more expensive than just about everyone 'cept the dealer.
I have a spare that I'd sell you, but don't think it'd help cause I'm not sure it works or how much life the brushes have left, etc.
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1982 240 D, 308,000 - 321,127 miles (sold) 1982 300 TD,166,500 - 226,000 miles 1998 E 320, 120,000 - 144,000 miles 2005 C 230 K, 26,000 - 77,000 miles (sold) |
#8
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Observation....
My '85 300D....removed the blower from car and found that it would run....put back in car made noises (like bad bearing).....took it out.....removed the plastic cover/mount from the motor/blower.....noticed some interesting marks on inside of cover/mount.....put 1 flat washer over screw, between plastic piece, and motor itself, during reassembly......works fine......it appears that "over time" the motor and thus the blower cage had settled a bit.....the washer shims the whole assembly up about a mm or two......now blower cage does not contact plastic mounting piece when in the vertical position.
SB
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Diesels: '85 300D, "Max, Blue Benz", 155K, 27.0 MPG '84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG '77 240D (parts car) '67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP) Gassers: '94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG '85 190E 2.3, 148K....Parts Car '58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG |
#9
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300SD Blower removal
How do I remove the blower fan on the 1985 300SD...I've removed some screws from the carpeted panel but the panel doesn't budge.
I'm pretty sure it's dead (worked but noisy, then worked if you punched the area below the glove box) |
#10
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Here's a pic of mine, you see a couple of screws, find 'em all and work it out, it's been there for decades!
The second pic is of the fan that would not turn even when I put power to it from a battery while it was in the car, I took it out and using the same power supply, viola! It spins!
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83 SD 84 CD |
#11
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not sure if this works or not but i think if you open the sunroof a few inches with hot water flowing through the core you can get a vacuum to form in the car and get hot air slowly through the vents.
Id take the blower apart. Most of the time its something you can fix if you just try. If not just buy the motor off a forum member
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1981 300SD 512k OM603 |
#12
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Some observations about W123 blower motors -
First check the 16 amp fuse to make sure it isn't melted (cheap aftermarket plastic fuse) or melting the fusebox itself. Some W123 fuseboxes have a pair of unused fuse contacts. In extreme cases it may be neccessary to transfer the blower wire-terminals to those unused contacts. Or else wire in a heavy-duty inline fuse holder. There are differen design W123 blower motors. On some, like an '80 300D I repaired many years ago, the brushes were accessible. Others, like the one in my '82 240D, are not. Many of the plastic W123 fans I've seen, have a steel hup pressed onto the motor shaft. It may be impossible to remove the fan-blade without destroying it. I was recently told that Mercedes now wants around $800 for a new W123 blower moter, including the fan-blade and plastic bottom cover! But, I just got a good used one from the Virginia-Beach Pick-N-Pull for $15! Good luck & Happy Motoring, Mark
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DrDKW |
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