C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

87 sagging rear deck edge

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Old Jun 14, 2007 | 02:40 PM
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Default 87 sagging rear deck edge

87 rear deck is sagging at bottom in middle between the exhaust, is there a fix or kit for this ?? - anyone. thanks.
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Old Jun 14, 2007 | 03:03 PM
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I asked on yahoo questions let me wait for an answer and ill tell you.
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Old Jun 14, 2007 | 03:32 PM
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Originally Posted by larrybee
87 rear deck is sagging at bottom in middle between the exhaust, is there a fix or kit for this ?? - anyone. thanks.

...yes, there is. i will look for it a bit later but i believe that gm put out a "repair bulletin" on how to fix it...if i remember, it involved getting some aluminum (or similar) and some epoxy and affixing the
epoxy-coated piece up under the inside of the "lip and clamping the piece with vice grips or equivalent...that will re-form the sag into it's original shape..it is a common problem and simple fix....i have also heard of using flat stock and drilling holes and using screws/washers and doing the same proceedure..
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Old Jun 14, 2007 | 06:52 PM
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This should help. I ordered the GM brace from www.vintageparts.org, and plan to attach it with JBWeld and a couple of clamps, should easily fix the problem.

http://forums.corvetteforum.com/show...1349527&page=2
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Old Jun 14, 2007 | 07:09 PM
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ouch!...he beat me to it!

THIS IS THE FIX FOR THE CENTER BOTTOM OF THE REAR BUMPER SAGGING DUE TO AGE OR HEAT.

Here's the fix: P/N 14069615 = $5.11

The problem and solution is described in the following bulletin:

======================================== ====
Service Bulletin Number: 87-176
Bulletin Sequence Number: 142
Date of Bulletin: 8707
NHTSA Item Number: 93533
Make: CHEVROLET
Model: CORVETTE
Year: 1987
Component: STRUCTURE:BUMPER ASSEMBLY:ATTACHMENTS/SUPPORT BARS
Summary: REAR BUMPER FASCIA SAGS-CORRECTED BY ADDING A REINFORCEMENT-CENTER REINFORCEMENT , P/N 14069615, BETWEEN EXHAUST OUTLET NOTCHES IN FASCIA-POP RIVET REINFORCEMENT TO INSIDE SURFACE OF FASCIA USING FOUR (4) 2436998 RIVETS-ALL CHEVROLET 1987 CORVETTE MODELS
========================================

Works for all (1984-1990) flat-tail C4's

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