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12-07-2017, 09:50 AM | #1 |
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Join Date: Aug 2017
Location: St. Maries, Idaho
Posts: 162
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Door sag
A friend is looking at a 31 pickup to possibly buy. It is unrestored but in pretty decent shape. However the drivers door sags to the point that when closed the rear top of the door is about 5/8" below the top pf the door jam. Understanding that hinges are probably the most common cause for this, what else can cause the door to sag? Thanks
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12-07-2017, 10:20 AM | #2 |
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Join Date: May 2010
Posts: 1,304
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Re: Door sag
Check that the cab is square . Get a tape measure and diagonally measure the cab door gap . It should be the same as the good fitting door . If it is out of true it is easy with a suitably cushioned porta power to push it square ,do this with great caution . If the cab is square then it is the hinges . They are easy to bend with a large crescent wrench adjusted to slip on the hinge horizontally . Use a long thin rod to ensure that the three hinges remain in line on both the door and cab . I am now building P/U cab no.4 and this is a very common problem but an easy fix .
John in very windy storm"Caroline" Suffolk County England. |
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12-07-2017, 04:42 PM | #3 |
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Join Date: Nov 2017
Location: Terre Haute, Indiana
Posts: 90
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Re: Door sag
body blocks probably bad
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12-07-2017, 04:46 PM | #4 |
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Join Date: May 2010
Posts: 2,595
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Re: Door sag
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12-07-2017, 05:15 PM | #5 |
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Join Date: Feb 2015
Location: East Central Iowa
Posts: 1,275
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Re: Door sag
Bent or sagging frame?
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12-07-2017, 05:48 PM | #6 |
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Re: Door sag
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John in no change in the weather Suffolk County England . |
12-07-2017, 06:32 PM | #7 |
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Join Date: May 2010
Location: St Charles , Missouri
Posts: 1,998
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Re: Door sag
I agree with the guys on the body blocks,
It's also important that the front cowl firewall mount is fixed if cracked , shimmed properly to get correct alignment. All part of the "restoration " process to make things as new. Larry Shepard |
12-07-2017, 06:55 PM | #8 |
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Join Date: Jun 2015
Posts: 1,414
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Re: Door sag
Take a look at the hood to radiator shell and hood to cowl gaps, where the cowl band is. Check both sides of truck for both doors, hood etc. Also, measure frame to level ground if possible at front axle and see if head lights are equal distant to radiator, all signs that frame or spring is not right which can affect alignment.
Then do as others suggest. |
12-07-2017, 08:09 PM | #9 |
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Join Date: May 2010
Location: Camino, CA.
Posts: 3,086
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Re: Door sag
Shim up the rear of the cowl. That should tilt the cowl forward and lift the rear of the door.
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12-07-2017, 10:27 PM | #10 |
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Join Date: Apr 2015
Location: Saint Cloud Mn
Posts: 745
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Re: Door sag
This can be fun. First the frame could be bent but you can work around that. Ok maybe not but try it first by shimming the body. What you might run into is once you get the doors aligned the hood now longer lines up with the cowl and radiator.
Have fun/ |
12-07-2017, 10:49 PM | #11 |
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Join Date: Jul 2017
Location: Cave Junction, Oregon
Posts: 432
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Re: Door sag
Hey, all things sag with age. It is called gravity
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