Author Topic: Aligning barn doors....  (Read 5791 times)

Offline 1979C20

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Aligning barn doors....
« on: October 29, 2012, 10:32:20 pm »
It seems as though the only adjusting that can be done on the barn doors is in and out. I need my driver side door to rotate clockwise and eighth inch and move right some. I also think it needs to go down a bit. I couldnt tell you why they are so misaligned.... What kind of adjusting can be done on them?
1979 SCLB C20 Q-jet 350 SM465 14b F.F. 4.10 G80
1989 GMC Suburban V2500 TBI350 TH400 4in lift 35's 14b SF

Offline Captkaos

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Re: Aligning barn doors....
« Reply #1 on: October 30, 2012, 09:32:32 pm »
What year Suburban?  There should be some adjustment in the mounting bolts for tilt.

Offline 1979C20

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Re: Aligning barn doors....
« Reply #2 on: October 30, 2012, 11:58:46 pm »
Its my 89. The only adjustment i can see are the bolta where the hing mounts to the body and to the door. 3 bolts on each side of all 4 hinges. Geometrically speeking, i can only adjust the doors in and out, but not left or right.
1979 SCLB C20 Q-jet 350 SM465 14b F.F. 4.10 G80
1989 GMC Suburban V2500 TBI350 TH400 4in lift 35's 14b SF

Offline PromiseKeeper

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Re: Aligning barn doors....
« Reply #3 on: October 31, 2012, 09:46:53 am »
Is there some slop in the hinge pins? It almost sounds like you have some sag going on. New bushings may be in order
1980 C-10 2WD short & wide. 305 auto.

Offline 1979C20

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Re: Aligning barn doors....
« Reply #4 on: November 01, 2012, 08:20:54 pm »
There is no slop or sag at all. Ive tried lifting tge diors and it move the whole truck.
1979 SCLB C20 Q-jet 350 SM465 14b F.F. 4.10 G80
1989 GMC Suburban V2500 TBI350 TH400 4in lift 35's 14b SF

Offline PromiseKeeper

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Re: Aligning barn doors....
« Reply #5 on: November 05, 2012, 09:00:21 am »
I'd try some shims behind the hinges and see what happens
1980 C-10 2WD short & wide. 305 auto.

Offline 1979C20

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Re: Aligning barn doors....
« Reply #6 on: November 07, 2012, 01:46:16 am »
I think it would be quite difficult to get a shim in there. Although, I was able to adjust it a little bit by pulling down on the top of the door. Now I just need to adjust it in some and adjust the strikers. Thanks guys.
1979 SCLB C20 Q-jet 350 SM465 14b F.F. 4.10 G80
1989 GMC Suburban V2500 TBI350 TH400 4in lift 35's 14b SF