Wiper knob set screw sheared - The 1947 - Present Chevrolet & GMC Truck Message Board Network

jjhenry · 05-20-2019, 06:05 PM

Any tips on extracting the broken half of the wiper knob set screw? I'm not sure I can get a drill close enough. Maybe I can cut a slot in it with the rotary tool and get a bite on it that way.

**LockDoc** · 05-20-2019, 07:52 PM

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Is the knob broken? That doesn't look like a broken set screw to me. That just looks like the shaft that someone has tightened the set screw down too hard on. The set screw should not go down inside the shaft. I would just clean it up around the outside with small a file, file the flat back on it so the knob slides on easy and put a new set screw in it. Any hardware store should have the set screws.

LockDoc

jjhenry · 05-20-2019, 10:52 PM

Doh, that's exactly right. I thought that nub meant there were threads in the shaft. Nope, just a ring where the set screw dug into it. It's back on there now.

Thanks!

**jocko** · 05-20-2019, 11:11 PM

Don't ya just love those kinda fixes?!

**LockDoc** · 05-20-2019, 11:52 PM

Quote:

Originally Posted by jjhenry

Doh, that's exactly right. I thought that nub meant there were threads in the shaft. Nope, just a ring where the set screw dug into it. It's back on there now.

Thanks!

Good deal. Glad it was an easy fix....

LockDoc

05-20-2019, 06:05 PM	#1
jjhenry Registered User Join Date: Jul 2017 Location: Carlsbad, CA Posts: 14	Wiper knob set screw sheared Any tips on extracting the broken half of the wiper knob set screw? I'm not sure I can get a drill close enough. Maybe I can cut a slot in it with the rotary tool and get a bite on it that way. Attached Images

05-20-2019, 07:52 PM	#2
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,771	Re: Wiper knob set screw sheared - Is the knob broken? That doesn't look like a broken set screw to me. That just looks like the shaft that someone has tightened the set screw down too hard on. The set screw should not go down inside the shaft. I would just clean it up around the outside with small a file, file the flat back on it so the knob slides on easy and put a new set screw in it. Any hardware store should have the set screws. LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

05-20-2019, 10:52 PM	#3
jjhenry Registered User Join Date: Jul 2017 Location: Carlsbad, CA Posts: 14	Re: Wiper knob set screw sheared Doh, that's exactly right. I thought that nub meant there were threads in the shaft. Nope, just a ring where the set screw dug into it. It's back on there now. Thanks!

05-20-2019, 11:11 PM	#4
jocko Senior Member Join Date: Oct 2009 Location: Godley, TX Posts: 17,975	Re: Wiper knob set screw sheared Don't ya just love those kinda fixes?!

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