• Rear quarter panel not aligning with door
  • Rear quarter panel not aligning with door
  • Rear quarter panel not aligning with door
  • Rear quarter panel not aligning with door

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  1. #1
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    Default Rear quarter panel not aligning with door

    Hello all,

    I was wondering if anybody knew what was going on here with my 75í door/rear quarter panel alignment and how to fix it. The panel seems to bulge out at the bottom of the dog leg in front of the left rear tire. The inner rear fender on the left side also has gap between it and the fiber glass of about a quarter inch along that dog leg.
    Attached Thumbnails Attached Thumbnails 06bca942-125a-4555-bdec-373b2214a495-jpg   0c85b6cd-24cc-4652-9faf-2536a52f8e82-jpg  
    Last edited by Gavin; 05-17-19 at 05:53 PM. Reason: Spelling!
    Likes JAGwinn liked this post

  2. #2
    Moderator bill81vette's Avatar
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    Welcome to CAC!!!
    enjoy!!!

    is the front of the door the same way or no?????
    it it is,you may have to adjust the door.
    Bill and Gail...save the wave
    NCRS member 42415
    1981 St.Louis car #2735
    all matching numbers

    born Sept 18,1980
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    Cruisefest2012



    Without Trucks......
    You would be Hungry,Homeless and Naked!!!!!!


    Thanks Gavin thanked for this post

  3. #3
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    Thanks Bill long time browser first time posting,

    The front of the door looks fine to me which is why I find this really puzzling. It doesn't seem like the door is the culprit. Here are some better pictures of the whole door. It is maybe sagging a little, but that doesn't account for the bulge out at the bottom of that dog leg. Full disclosure she took a bit of bump in the winter, (my wife ran into the garage door and the door knocked the vette ) it was a pretty minor hit and just made a small crack on the left side of the rear bumper) Truth be told I can't remember if the bulge out was there or not before that knock, though I would think I would have noticed it..) I bought the car in May 2018 after 25 years of wanting one! I've had her out a few times this season, seems to have suffered no ill effects, drives straight as an arrow.
    img_0611-jpgimg_0612-jpg

  4. #4
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    I have see this de-lamination on Gary's 1975 Coupe. Stored in a heated garage...even the rear bumper facia has disintegrated.

  5. #5
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    De-lamination, that makes sense. Do you know what that part of the quarter panel attaches to on the body. There is no play on it, doesn’t move at all when I try pushing it in.

  6. #6
    Moderator bill81vette's Avatar
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    Unfortunately,when these cars were built they were fit as best they could.
    you can try to refit it,but it may not get any better....


    Sent from my SM-T827V using Tapatalk
    Bill and Gail...save the wave
    NCRS member 42415
    1981 St.Louis car #2735
    all matching numbers

    born Sept 18,1980
    Cruisefest 2008
    Cruisefestous 2009
    Cruisefest 2010
    Cruisefest 2011
    Cruisefest2012



    Without Trucks......
    You would be Hungry,Homeless and Naked!!!!!!



  7. #7
    Moderator bill81vette's Avatar
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    Quote Originally Posted by JAGwinn View Post
    I have see this de-lamination on Gary's 1975 Coupe. Stored in a heated garage...even the rear bumper facia has disintegrated.
    40 years seems to be the life span if the rubber bumpers I've seen a few disintegrating and having to be replaced with fiberglass replacements.

    Sent from my SM-T827V using Tapatalk
    Bill and Gail...save the wave
    NCRS member 42415
    1981 St.Louis car #2735
    all matching numbers

    born Sept 18,1980
    Cruisefest 2008
    Cruisefestous 2009
    Cruisefest 2010
    Cruisefest 2011
    Cruisefest2012



    Without Trucks......
    You would be Hungry,Homeless and Naked!!!!!!


    Likes JAGwinn liked this post

  8. #8
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    Well Iím definitely looking for a way to fix it. Itís a next winter problem at this point but the research begins now. My thinking is that I would have to clamp it (heavily padded against the fiber glass, obviously) and try to gently bend it back in towards the frame to align with the door. Just not sure how I would reseal/fasten it. Itís like a rib being opened up. How do I tie the bastard back down?

  9. #9
    Moderator bill81vette's Avatar
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    just remember these are 'glass' as opposed to sheet metal.and will break.
    Bill and Gail...save the wave
    NCRS member 42415
    1981 St.Louis car #2735
    all matching numbers

    born Sept 18,1980
    Cruisefest 2008
    Cruisefestous 2009
    Cruisefest 2010
    Cruisefest 2011
    Cruisefest2012



    Without Trucks......
    You would be Hungry,Homeless and Naked!!!!!!


    Likes JAGwinn liked this post

  10. #10
    Administrator Tom Bryant's Avatar
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    There are a couple of things that come to mind when looking at the misalignment. One is that the lock pillar may not have been positioned correctly and, even though the quarter panel is in full contact with it, it's still being held out a little. Another would be too much panel bonding adhesive between the quarter panel and the lock pillar and under body filler. Since the door fits well except for that lower rear corner I'm thinking the lock pillar is right but there is too much panel bonding adhesive left in there when the quarter skin was clamped on. Most of these stick out a little there although yours is on the extreme side. Typical St. Louis Assembly quality control.

    At that area the quarter panel is just a single layer outer skin with no flange. Open the door and you can see the front edge of the quarter panel skin. The area between that and the lock pillar is all panel bonding adhesive. On an original paint car this area will show grinding marks;. They may still be there on a repaint depending on the amount of prep that was done before paint. Look around the corner inside the wheel opening lip and you will see a lot of panel bond that has been ground to shape. Little attempt was made to make it pretty during body assembly. No two bodies being exactly the same was the way it happened. If your car has never been wrecked in this area I'm confident that it's exactly the way it left St. Louis when new.

    If you want to make it fit better you will need to remove the paint from around that area so the factory joints become visible. Then you will need to cut behind that lower leg of the quarter panel skin just behind the fiberglass, separating the skin from the lock pillar up at least half way on the door. It will be flexible enough to pull out and block it just enough so you can work behind it. Then you will want to use something thin like a paint stick wrapped with 80 grit paper to sand off and reshape the panel bonding adhesive on the lock pillar to where you can push the panel back in place and it lines up. Then take a little more off to make room for some new panel bond. Work panel bond into the the entire cut area using excess that will be squeezed out when the panel is pushed in place. Push the panel in and clamp it just enough to hold it in perfect alignment with the door closed and let it cure. Sand the excess panel bond to shape and paint.

    I guess you have to decide how much that misalignment bothers you and how far you want to go to correct it. You can rest assured that it has probably always been there . Start looking at others and you will find some as bad as yours.

    Tom
    NCRS 1360.............SACC 2082.............C1 Registry..............L81 Registry
    1959 Chevrolet Corvette 1981 Chevrolet Corvette , 350 L81 automatic Frost Beige

  11. #11
    Member John Ulrich's Avatar
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    I played with the shims on the door hinges once for a few hours and realized the way it came looked the best.

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