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NHTSA ID Number: 10178279
Manufacturer Communication Number: 20NA124
Summary
This technical bulletin provides repair information to correct a customer concern of seeing a small front fascia paint chip below one or more headlamps.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| CHEVROLET | CORVETTE | 2020 |
SEOCONTENT-START
Copyright 2020 General Motors
LLC. All Rights Reserved.
Service Bulletin Bulletin No.: 20-NA-124
Date: June, 2020
TECHNICAL
Subject: Small Front Fascia Paint Chip Below Headlamp
Brand: Model:
Model Year: VIN:
Engine: Transmission:
from to from to
Chevrolet Corvette 2020 2020 — — All All
Involved Region or Country North America, Middle East
Condition
5614850
Some customers may comment on seeing a small paint chip in the front fascia below the
headlamp. This condition could be visible on one or both sides of the vehicle.
Page 2 June, 2020 Bulletin No.: 20-NA-124
Cause
5614852
The cause of the condition may be that the fender to fascia gap joint may be mispositioned.
Correction
5614854
Note: Examples of before (1) and after (2) repair are shown in the graphic above. The
realignment accomplishes the following 3 things:
• Repositions the fender and fascia downward
• Repositions the fender and fascia inboard
• Repositions the fascia flush to fender
Realign the fender and fascia joint fit following the steps in the Service Procedure below.
Upon completion of realignment, the paint chip(s) should no longer be visible.
Bulletin No.: 20-NA-124 June, 2020 Page 3
Service Procedure
1. Raise and support the vehicle. Refer to Lifting and
Jacking the Vehicle in SI.
2. Remove the front tire and wheel assembly on the
affected side. Refer to Tire and Wheel Removal
and Installation in SI.
5379050
3. Remove the front wheelhouse liner (5) and front
wheel opening molding. Refer to the appropriate
Front Wheelhouse Liner Replacement in SI.
5614857
Page 4 June, 2020 Bulletin No.: 20-NA-124
4. Remove the outboard most bolt (shown circled
above) at the fender/fascia joint (1).
5614861
5. Temporarily pull the fascia outboard.
5614862
6. Loosen the two fender bracket bolts (shown circled
above) inboard of the fender/fascia joint (1) and
pull the fender downward.
5614864
7. Insert a 2 mm feeler gauge into the gap between
the headlamp and the fender, then retighten the
bolts.
Tighten
Tighten the bolts to 9Y(80 lb in).
Bulletin No.: 20-NA-124 June, 2020 Page 5
5614867
Note: The section view above shows a dashed red line
where the headlamp (1) is proud of the fender (2).
8. Loosen the two bolts (shown circled above). Adjust
the fender tip inboard until the headlamp lens
projects over the fender, and retighten.
Tighten
Tighten the bolts to 9Y(80 lb in).
5614868
9. Loosen the two bolts shown circled in the graphic
above. Once loose, adjust the fascia to be slightly
sub-flush to the fender. As you retighten the bolts,
the two panels will become flush.
Tighten
Tighten the bolts to 9Y(80 lb in).
5614870
Note: Guide the fascia tip, shown circled above, below
the headlamp lens during installation.
10. Carefully reinstall the fascia. Once the fascia tab is
snapped into position, reassembly can begin.
Page 6 June, 2020 Bulletin No.: 20-NA-124
5614857
11. Reinstall the outboard most bolt (shown circled
above) at the fender/fascia joint (1).
Tighten
Tighten the bolt to 2.5Y(22 lb in).
5379050
12. Reinstall the front wheelhouse liner (5) and front
wheel opening molding. Refer to the appropriate
Front Wheelhouse Liner Replacement in SI.
13. Reinstall the front tire and wheel assembly. Refer
to Tire and Wheel Removal and Installation in SI.
Bulletin No.: 20-NA-124 June, 2020 Page 7
14. Repeat step 2–13 on the opposite side, if
necessary.
15. Remove the support and lower the vehicle.
Parts Information
No parts are required for this repair.
Warranty Information
For vehicles repaired under the Bumper-to-Bumper
coverage (Canada Base Warranty coverage), use the
following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH)
for coverage information. :
Labor
Operation
Description Labor Time
1481338* Realign Front Fascia and
Fender (1 side)
0.8 hr
Add Realign Opposite Side 0.6 hr
*This is a unique Labor Operation for bulletin use only.
Version 1
Modified Released June 04, 2020
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.
WE SUPPORT VOLUNTARY
TECHNICIAN
CERTIFICATION
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 20-NA-124
Date: June, 2020
MC-10178279-9999.pdf 235.203KB
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