02-08-98-002G

File in Section:
Bulletin No.:
Service Bulletin
Date:
08 - Body and Accessories
02-08-98-002G
September, 2016
INFORMATION
Subject:
Hem Flange Rust Repair
Models:
2017 and Prior GM Passenger Cars and Trucks
Attention: This Bulletin also applies to any of the models that may be Export from North America
vehicles.
This Bulletin has been revised to add the 2017 Model Year and update the Repair Procedure
section. Please discard Corporate Bulletin Number 02-08-98-002F.
Kryptonite Metal Treatment P/N 36502 Life Long Rust
Protection. It is strongly recommended they be applied
according to the manufacturer’s procedures.
Important: To ensure proper coating performance, all
of the manufacturer’s “Applications Guidelines” MUST
be followed.
Repair Procedure
1. Remove the affected body panel from the vehicle
and place on a clean non marring work surface.
2. Clean the hem flange area with wax and grease
remover.
3. Inspect the area for rust perforation or “micro pin
holes.”
Important: If perforation is present, replace the
affected panel.
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In the event that hem flange corrosion becomes a
concern on lower door panels, a new tool has been
released by Kent Moore, J-46162-A, which allows for
easier opening and closing of the hem flange. This kit
includes a left and right hand flange opening tool that is
used with an air hammer, and a hem flange closing tool.
Using these tools the lower door hem flange can be
opened, the rust treated and the hem flange closed
without having to refinish the outer door area.
A combination of specialized metal coating products,
manufactured by Lloyds, have been found to be the
most suitable materials to provide corrosion control and
protection. Our recommendation is to prep the metal
surface using *Lloyd’s Pure Prep™ Metal Surface
Preparation P/N 25418, then topcoat with *Lloyds
Copyright 2016 General Motors LLC. All Rights Reserved.
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September, 2016
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4. Using the appropriate (left or right hand) flange
opening tool, open the flange as shown.
Bulletin No.: 02-08-98-002G
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If sand blasting is not available, remove the rust
using a 3-M Scotch-Brite™Clean and Strip Disc,
Part # 07466, abrasive wheel.
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5. Protect the adjacent area with cloth protective
(duct) tape.
6. Sand blast the rust area. Ensure all of the rust is
removed leaving clean bare metal.
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7. Using *Lloyd’s Pure Prep™ Metal Surface
Preparation P/N 25418 (10 fluid ounce bottle) in a
spray bottle, saturate the complete flange area with
the pre-diluted solution and scrub the area well,
rendering a foaming of the Pure Prep.™ This will
greatly improve adhesion and corrosion resistance
in the repair areas.
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September, 2016
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10. Apply a light coat of *Lloyds Kryptonite Metal
Treatment P/N 36502 with a small brush as shown.
This first coat should flash in approximately 3-5
minutes.
11. Apply a second coat of Lloyds Kryptonite.
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8. Using a water dampened clean towel, remove any
residue and dry the affected area. Dry the repair
area completely using an air hose to blow dry the
frame.
9. Check the repair area for phosphate treatment by
wiping it to see if any corrosion residue can be
picked up. Correctly treated areas will not have any
residue on the surface.
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12. Using a small tip opening, apply a small bead of
seam sealer such as *LORD Fusor® 123 (white) =
10.1 oz (300 mL) or the equivalent to the open
joint area.
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September, 2016
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Bulletin No.: 02-08-98-002G
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14. Close the hem flange using the flange closing tool.
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13. Using a squeegee, force the sealer into the open
joint area.
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• Make an initial pass with the tool parallel to the
door outer panel.
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September, 2016
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• Make a second pass with the tool at a 40° angle
towards the inner panel to close the flange
completely.
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15. Mask the area as shown to create a 10 mm (0.40
in) wide sealer area.
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16. Apply a bead of *LORD Fusor® 123 (white) = 10.1
oz (300 mL) or the equivalent, as shown to
completely seal the hem flange.
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September, 2016
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Use a small brush to finish the area, the sealer will
self level to remove any brush marks.
Bulletin No.: 02-08-98-002G
17. Remove the masking tape.
Important: Refer to the GM Approved Refinish
Materials booklet (GMW-15406) for specific products.
To access the booklet, go to
www.genuinegmparts.com. Click on FOR
PROFESSIONALS > Additional Resources: Touch-Up
Paint > Downloadable Guides. Select 2016 GM
Approved Refinish Materials. In Canada, the GM
Approved Refinish Materials Booklet is also available in
GM GlobalConnect in the Reference Library under
Service Department.
18. Prime and refinish the area as required.
19. Reinstall the body panel.
*We believe these sources and their products to be
reliable. There may be additional manufacturers of
such material. General Motors does not endorse,
indicate any preference for or assume any
responsibility for the products from these firms or for
any such items which may be available from other
sources.
Parts Information
To order this tool (J-46162-A), call Bosch Automotive
Service Solutions at 1-800-GMTOOLS.
LORD Fusor® and 3M® Clean and Strip may be
obtained from your local body shop supplier.
Dealers should obtain 25418 and 36502 by contacting
Lloyds by e-mail at [email protected], or
by calling 1-800-361-6766.
Warranty Information
For vehicles repaired under warranty, use:
Labor
Operation
Description
Labor
Time
1480208*
Lower Door Hem Flange Rust
Repair
Use
Actual
Clock
Time
*This is a unique Labor Operation for Bulletin use only.
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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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