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  #1  
Old 10-08-2018, 05:14 PM
WTB: 94/95 E320 Wagon
 
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,479
Motor Brush size for later 124 blower motor?

The HVAC blower motor in my '95 sedan has died. The car has the air intake filters for the HVAC, so the blower motor is different than earlier 124 cars with no HVAC filters.


When this motor died on my '87 wagon, I was able to get just the motor (a new Bosch motor) with no fan blades for about $80. I can't seem to find the same motor sans fan blades for this car, so I think I'm going to try replacing the brushes.

Anyone know the brush dimensions, or have a spare motor?
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/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~380k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 379k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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  #2  
Old 10-08-2018, 09:27 PM
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On other motors I've fixed and can't get exact size, I get brushes that are close with proper pigtail and sand to fit.
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  #3  
Old 10-08-2018, 10:16 PM
WTB: 94/95 E320 Wagon
 
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Location: Charleston SC
Posts: 2,479
That's a good idea. I think they are 8mm x 10mm, maybe I'll order a set that size and another set that's bigger.
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  #4  
Old 10-09-2018, 03:38 PM
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The motor is same as older models, the only difference on them is that there are two wires soldered to the motor terminals rather than just spade lugs.

You can fit an older model motor, or you can rebrush it as long as the end bearings are good.
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2000 E320 - The evolution (consumed by flood 2017)
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  #5  
Old 10-09-2018, 03:59 PM
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Amazon has a good selection of brushes. Have fixed some XYZ electric motors just by measuring what left of the old brush - speculating the length and as SL320 wrote adjust the length as necessary. Made a Harbor Freight electric buffer live well beyond what anyone would imagine.
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  #6  
Old 10-11-2018, 05:59 AM
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Trevor Hadlington
 
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Location: Worcestershire in England
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97sl knows the way to go, i had to do the same on my alternator regulator ,
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  #7  
Old 10-11-2018, 04:39 PM
WTB: 94/95 E320 Wagon
 
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,479
Quote:
Originally Posted by Zulfiqar View Post
The motor is same as older models, the only difference on them is that there are two wires soldered to the motor terminals rather than just spade lugs.

You can fit an older model motor, or you can rebrush it as long as the end bearings are good.

That is good news! Have you fit an older-style motor with the newer-style fan blades and installed it / operated it with no issues?
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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~380k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 379k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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  #8  
Old 10-12-2018, 12:18 PM
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Quote:
Originally Posted by Maxbumpo View Post
That is good news! Have you fit an older-style motor with the newer-style fan blades and installed it / operated it with no issues?
I bought a motor for a 300E, The motor physically was the same but cannot wire due to the smaller fan wheels, unsolder the wires from your old motor and solder them to the new one in the same spot, bend the spade lugs so they dont mess with the fan wheel. Install the motor and make sure to clamp the wiring in the spring clip.

The fan wheels are a bit fussy to remove as they are very delicate.

p.s. you need a very hot solder iron to make this work because the wires are pretty thick. (I use my propane pen solder tip)
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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)
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  #9  
Old 10-13-2018, 07:27 AM
WTB: 94/95 E320 Wagon
 
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,479
Zulfiqar, thanks, I'll go that route.
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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~380k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 379k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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