NEW Door Problem

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Finley got around to hang my Tri-Plus suburban doors that I bought from GMC Pauls. Started on the passenger side first . Got the door hung did a little ajustment and it would not stay lined up . Moved the hinge again same thing . again ;again ;again; About a hour of this . Took door back of . Seen that the pinch row that bonds the outer door skin to the door frame was pulling apart. Why was this not spot welded ? Looked a drivers door same thing. Why cant these parts be correct . The Company / Person you buy them from should let you know that this is a problem so it can be fixed befor they are installed .[ATTACH]

I gess the problem lay in the part its self . Not the installer.
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