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#1315832 Thu Jun 27 2019 04:12 PM
Joined: Aug 2018
Posts: 436
I just read the Tech Tips for rebuilding door hinges. In there, it says that they used a bit that was one thousandth larger than the pin. Is this correct? I plan to order a good bit, just for this job, and I want to be sure to order one that will give me the proper clearance. In your experience, how much clearance should there be for these hinge pins. My truck is a 53 half ton.

Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1953 Ford Victoria
1950 Studebaker Starlight Coupe
Joined: Jul 2000
Posts: 1,500
Been a while, but if I remember correctly, the hinge pin kit I bought came with bushings. You drill using the appropriate size for the bushing. The pin fits the bushing very closely.

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Kettle Custodian (pot stirrer)
Use a chucking reamer with lots of lubricant in a drill press instead of a drill bit- - - -drills don't cut accurate holes! Victor Machinery company has chucking reamers available in .001" size graduations for reasonable prices.


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Joined: May 2005
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Sir Searchalot
The two Tips are excellent. Follow them both. This is not a super precision effort. The .001 is an error. The difference between an S bit and a 11/32 bit is .0043. Get the repair kit first. Then measure pieces with calipers. Then try to use a standard bit. Then decide what to buy. You just need a light press fit of the bushing into the hinge. The fit of the pin and bushing is given. You can't decide ahead of time what drills to buy. Take your time. You can chuck a pin in a drill press and sand with emery if it's a little too big. Provided there is extra length to fit in chuck. You can possibly use a bolt, washers and nut to "press in" the new bushings.

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Joined: Mar 2010
Posts: 10,105
The hinge pin kits should include instructions for what size drill bit to use. Do yourself a favor and spring for a high dollar new drill bit to get an accurate hole. I have rebuilt many AD hinges for myself and others, and have never had one requiring use of the bushings. The bushings are for Task Force trucks and AD trucks with horrendously worn hinges.

Joined: Dec 2001
Posts: 15,855
Check the tech tip section for some pointers but wait till you get the pins before drillings.

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Joined: Aug 2018
Posts: 436
Hinges are rebuilt. Lots of good info provided by you guys. I used 11/32" to drill the hinge bars, and a size "R" on the brackets. Everything is nice and snug, but still operates smoothly. This is Deve's method.

Mike Burns
1940 Chev 1/2 ton
1953 Chev 1/2 ton
1953 Ford Victoria
1950 Studebaker Starlight Coupe
Joined: Nov 2008
Posts: 557
Shop Shark
invest in calipers. only way to know what you are drilling with, and drilling for....thousandths matter!

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