Rear windshield wiper gear. 3D print it?

zaid3ssaf

Original poster
Member
Jan 1, 2020
151
Midwest
Is there a replacement part for the gear inside the rear wiper motor? I've looked around but no luck. I believe just replacing the cog or 3D print it would be much cheaper than buying a new motor. Any ideas?
 

Blckshdw

Moderator
Nov 20, 2011
10,681
Tampa Bay Area, FL
If you have the hardware readily available to make the copy, and a source piece to model from, then yeah that would definitely be the way to go. If not, maybe sourcing a replacement motor from a junk yard truck may be the next best option.
 
Dec 5, 2011
576
Central Pennsylvania
I would be extremely surprised if the materials used by most common 3d printers would hold up to the stresses placed upon this type of gear. I would be very interested to see how this turns out.
 
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Reprise

Lifetime VIP Donor
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Member
Jul 22, 2015
2,724
At first, I agreed 100% with you on the material.
But - depending on how hard it was to source another OEM one, and how long the printed one lasted... maybe it would be worth doing.

The nice thing is that once the part is created, printing off a few spares is easy / cheap to do (depending on the cost of consumables -- as with any printer...lol)
 

zaid3ssaf

Original poster
Member
Jan 1, 2020
151
Midwest
I'll be using geargenerator.com to make the initial CAD design. I'm not sure about the material. Do you guys think this gear is subject to a lot of stress?
 

Mektek

Member
May 2, 2017
656
FL
It's an interesting project, but in the interest of expediting the repair - pull one from a used truck and you'll be finished waaaaay quicker.
If you need a dozen of those gears, then soldier on!
 
Dec 5, 2011
576
Central Pennsylvania
I'll be using geargenerator.com to make the initial CAD design. I'm not sure about the material. Do you guys think this gear is subject to a lot of stress?
When there's plenty of rain on the windshield - not really. The difficulty starts when the windshield is dry. If you're willing to put in the effort - by all means, do. I don't mean to sound like I'm bashing the idea. I'm sure I'd be using a 3d printer for lots of stuff if I had one.
 

zaid3ssaf

Original poster
Member
Jan 1, 2020
151
Midwest
No youre not bashing the idea. Its just I wish they made that replacement part instead of changing the whole thing.
 

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