Convertible Top Back Glass Separation from Top Cover Material – 2016-2021 Buick Chevrolet

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Service Bulletin Bulletin No.: 17-NA-216
Date: October, 2020
TECHNICAL
Subject: Convertible Top Back Glass Separation from Top Cover Material
Brand: Model:
Model Year: Date Breakpoint:
Engine: Transmission:
from to from to
Buick Cascada 2016 2019
— — All All
Chevrolet Camaro
Convertible 2016 2021
Involved Region or Country North America, Europe, Middle East, Israel, Argentina, Brazil, Bolivia, Chile, Colombia,
Ecuador, Paraguay, Peru, Uruguay, Japan
Condition 1
Some customers may comment on seeing the back glass separating from the convertible
top cover material.
Several examples of the separation are shown in the graphic examples below:
4794660
Page 2 October, 2020 Bulletin No.: 17-NA-216
4794670
4794682
Cause 1
The cause of this condition may be an insufficient amount of primer used during the
assembly process, which creates stress points allowing the material to separate from the
glass.
Bulletin No.: 17-NA-216 October, 2020 Page 3
Condition 2
5049793
Some customers may comment that the vehicle may exhibit a condition where the back
glass is separating from the top. This condition will typically start in the corner of the back
glass.
Cause 2 The cause of this condition may be the back glass separating from the bond.
Correction
4794112
It will be necessary to replace the convertible top cover (1). Refer to Folding Top Cover
Replacement in SI.
Page 4 October, 2020 Bulletin No.: 17-NA-216
Parts Information
Causal
Part Description Vehicle
Part
Number Qty
X
COVER
ASM-F/TOP
(Kalahari
– 21T)
Camaro
84078048 1
X
COVER
ASM-F/TOP
(Black – 19T)
84078049 1
X
COVER
ASM-F/TOP
(Blue – 00T)
84078050 1
X
COVER,
F/TOP
(BLACK)
Cascada
13426145 1
X
COVER,
F/TOP
(MALBEC)
13426146 1
X
COVER,
F/TOP
(SWEET
MOKKA)
13426147 1
Warranty Information
For vehicles repaired under warranty, use:
Labor
Operation
Description Labor Time
6011360 Folding Top Cover
Replacement
Use
Published
Labor
Operation
Time
Version 6
Modified
Released June 30, 2017
April 30, 2018 – Updated the Date Breakpoint and added Condition #2.
February 04, 2019 – Added the 2018 Model Year.
November 18, 2019 – Removed breakpoint dates in Conditions, added the Cascada
Model, updated the Involved Region or Country section and added the Cascada parts
required to the Parts Information.
December 09, 2019 – Added the 2019 Model Year for Camaro.
October 09, 2020 – Added the 2020-2021 Model Years for Camaro and updated the
Involved Region or Country section.
GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a
job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
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