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Old 05-16-2018, 03:10 PM   #1
Jack
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Default 240 power window motor upgrade?

old motors are tired. I lubed one and its track and cleaned the gearing etc

still old and tired


what's out there that works well?
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Old 05-16-2018, 03:12 PM   #2
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how psi stock cna support?

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Old 05-16-2018, 03:43 PM   #3
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Im sure that motor design came on lots of cars for years and years

how are the aftermarket ones? speed and longevity ?
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Old 05-16-2018, 03:48 PM   #4
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Just get a 740 and call it good.
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Old 05-16-2018, 03:49 PM   #5
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And then head straight for the crusher.
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Old 05-16-2018, 03:51 PM   #6
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Just get a 740 and call it good.
thread about how to look homeless is on brickboard
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Old 05-16-2018, 04:05 PM   #7
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Are you looking to replace just the motor, or the whole assembly? Motors are a commodity product, if you measure it you could probably find a replacement which would work with adaptations.
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Old 05-16-2018, 04:39 PM   #8
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Just the motor

I know I can do that but.came here for what’s been tried
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Old 05-16-2018, 04:46 PM   #9
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I just amplified the signal to 24 volts and mine are super fast now
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Old 05-16-2018, 05:10 PM   #10
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Mostly it's just the contacts in the switches that suck.
That said, the 1989+ switches and later Brose motors are pretty decently quick.

If everything's adjusted right they aren't brand new car fast but they work ok.
The early switches suuuuuuck.
IDK I just grab some later (ideally illuminated) switches and flip/polish the contacts and make sure everything else is lubed/adjusted right.

The problem isn't so much the motors, it's just getting enough current to them or drag/adjustment issues of the regulator/track.
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Old 05-16-2018, 06:14 PM   #11
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Switches on mine are fine

Need one or two new motors
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Old 05-16-2018, 06:16 PM   #12
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Quote:
Originally Posted by PromiseRing View Post
I just amplified the signal to 24 volts and mine are super fast now
On a 740 you can put a generator in the cab (make sure the exhaust points right at your face)
And run on 110v
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Old 05-16-2018, 07:34 PM   #13
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An "old school" brushed DC motor seems likely. Common failure parts would be brushes (easily purchased and replaced) or bearings. I'd crack a dead motor open and see whether there's obvious failure.

It's possible the commutator or rotor is damaged, or you just might not want to deal with it. In which case you'll want to know the physical dimensions and the RPM of the output shaft.
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Old 05-16-2018, 09:42 PM   #14
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Fast crank a manual window.
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Old 05-16-2018, 11:02 PM   #15
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Originally Posted by Jack View Post
On a 740 you can put a generator in the cab (make sure the exhaust points right at your face)
And run on 110v
I’m into 940s now bub. Got one for free and now no one will take it out of my driveway.
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Old 05-17-2018, 11:25 AM   #16
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I’m into 940s now bub. Got one for free and now no one will take it out of my driveway.
I'll post a Craigslist ad for trash dumping at your address

http://www.emailsfroman*******.donte...w.php?post=104

fuk... first link in google since Im being censored
https://www.google.com/search?q=emai...hrome&ie=UTF-8
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Old 05-17-2018, 11:45 AM   #17
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I'll post a Craigslist ad for trash dumping at your address

http://www.emailsfroman*******.donte...w.php?post=104

fuk... first link in google since Im being censored
https://www.google.com/search?q=emai...hrome&ie=UTF-8
that is awesome dude
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Old 05-17-2018, 12:37 PM   #18
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that is awesome dude
his stuff makes my cry from laughing
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Old 05-17-2018, 03:33 PM   #19
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Quote:
Originally Posted by Jack View Post
Just the motor

I know I can do that but.came here for what’s been tried
Saab 900
Saab 9000
Volvo 240
Xratty

and I think mid 80s VW use the same motor..Possible different pigtail for the wires.
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Old 05-17-2018, 03:34 PM   #20
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^ and some benzes.
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Old 05-17-2018, 03:45 PM   #21
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nothing that isn’t 30 years old ?
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Old 05-17-2018, 03:48 PM   #22
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Quote:
Originally Posted by John V, outside agitator View Post
Saab 900
Saab 9000
Volvo 240
Xratty

and I think mid 80s VW use the same motor..Possible different pigtail for the wires.
‘Cause the guys at Volvo are ‘special’ you have no common/durable plug and instead odd size bullet terminals at the switch plug to carefully remove/release if you want to R&R a motor the “right” way without cutting/hacking/molesting anything...

Tons of eurotrash cars share the same basic motor as 240.

Idk if 1989+ when they fixed up the wiring and switches a lot they switched from Bosch brand to brose branded motors I forget but I know the 89+ switches are better, not sure on the rest. The later cars the windows operate nicely enough and the 240 power regulators are really well made (better than the late style manual anyway) if the bushings/seals/grease/window scrapers are any good...

This said, the early euro car style console mounted switches are much more logical:
-Keep the master switch wiring from being a wear part/flexing in the driver door hinge area.
-mount switches out of the way of the weather/open window away from moisture or the like as well as vertically to prevent dirt accumulating.
-install in any DL car without having to swap door cards and/or arm rests (just buy the plastic plug for the crank hole).

Last edited by Kjets On a Plane; 05-17-2018 at 04:13 PM..
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Old 05-18-2018, 10:21 AM   #23
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Had anyone ever tried rewinding a DC motor with more turns to make it faster or more powerful? There are a bunch of videos on youtube about that. Could be a promising solution if it works.
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Old 05-18-2018, 11:19 AM   #24
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Quote:
Originally Posted by dbarton View Post
Had anyone ever tried rewinding a DC motor with more turns to make it faster or more powerful? There are a bunch of videos on youtube about that. Could be a promising solution if it works.
Dave B.
hmm sometimes you can get the winding machine for cheap

damn it dave I dont need a project
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Old 05-18-2018, 01:46 PM   #25
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I had some free time so I did some research.

The family of motors seems to be Bosch P/N 0 130 821 XXX, where XXX specifies the gearbox style.

Judging by the few pictures I could find of disassembled motors, they all have the same motor assembly with a worm gear at the end of the shaft. Since the worm gear is part of the motor I don't think you'll find any sort of easy replacement. However there's a LOT of cars with that series of motors, so you could pretty easily find a different, newer motor to swap into your Volvo gearbox.

Photo of disassembled Mercedes motor

This guy on Ebay is selling new brushes. If you disassemble a motor and measure the OEM brushes you might be able to find something cheaper. Refreshing the brushes may help revitalize an old motor.

Last edited by Khrrck; 05-18-2018 at 02:38 PM..
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