PI0564K

Service Bulletin
Bulletin No.:
Date:
PI0564K
February, 2019
PRELIMINARY INFORMATION
Subject:
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and
Canada Only)
Models:
2011-2019 Cadillac Escalade Models
2011-2013 Chevrolet Avalanche
2011-2018 Chevrolet Express, Silverado, Suburban, Tahoe
2019 Chevrolet Express, Silverado LD, Silverado 2500/3500, Suburban, Tahoe
2011-2018 GMC Savana, Sierra Models, Yukon Models
2019 GMC Savana, Sierra Limited, Sierra 2500/3500, Yukon Models
This Bulletin also applies to any of the models that may be Export from North America
vehicles. This PI has been revised to add the 2019 Model Year. Please discard PI0564J.
Condition/Concern
Some customers may comment that areas of the frame wax coating are peeling off and rust/corrosion is visible on
the metal in these areas. Several examples of this condition are shown in each group of graphics below.
Truck Example Photos
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Van Example Photos
3396076
3396078
3396079
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Recommendation/Instructions
A combination of specialized metal coating products manufactured by Lloyds and Daubert have been found to be the
most suitable products to provide corrosion control and protection to address this type of repair. Our
recommendation is to prep the metal surface using *Lloyd’s Pure Prep™ Metal Surface Preparation P/N 25418, then
topcoat with both *Lloyds Kryptonite Metal Treatment P/N 36502 Life Long Rust Protection and *Daubert Non-Rust®
P/N X-121B One Coat Rust Preventative Coating. It is strongly recommended they be applied according to the
manufacturer’s procedures.
*We believe this source and their products to be reliable. There may be additional manufacturers of such products/
materials. General Motors does not endorse, indicate any preference for, or assume any responsibility for the
products or material from this firm or for any such items that may be available from other sources.
Important: To ensure proper coating performance, all of the manufacturer’s “Applications Guidelines” MUST be
followed.
Prep the frame and apply the Lloyds and Daubert coatings following the steps below:
Important: The pictures below show the bed and/or cab removed from the vehicle. These pictures are provided for
reference only. Bed and/or Cab removal are not necessary. Dealers should only repair the locations that show the
condition. The following procedure should be utilized to return the truck to a factory look.
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in SI.
2708909
2. If labels are in the area to be reworked, remove any of the visible white labels on the frame (usually one
per side).
3. Remove any components as required to gain access to the corroded component or area.
Important: Any corrosion damage noted to the extent of weakening the component will require component
replacement.
4. Determine a start and finish point on each side for the section/area of the frame to be repaired.
3611133
5. Using a rag and wax/grease removing solvent, remove the wax coating and any grease, oil, or undercoating
from the truck frame in the affected repair area. The graphic above shows an example of a small portion of the
wax coating removed.
2708911
Important: Lloyds Kryptonite is designed to apply directly onto brown rust or clean surfaces; however any loose
flakes/scale of rust need to be removed prior to application.
6. Any loose rust or loose flakes should be scraped, wire brushed or ground off.
7. Remove any residual wax, oil or rust by wiping the frame down with a towel or Scotch-Brite™ (3M) pad soaked
with wax/grease remover.
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8. Using Lloyd’s Pure Prep™ Metal Surface Preparation P/N 25418 (10 fluid ounce bottle), or equivalent, saturate
a towel or Scotch-Brite™ (3M) pad 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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Important: The frame must be dry and free of wax/oily substances prior to application of the new coating.
9. 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.
10. 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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11. Apply a light flash-coat of Lloyds Kryptonite Metal Treatment P/N 36502 Life Long Rust Protection (14 ounce
aerosol), or equivalent, to all rusted and bare areas of the frame where the wax coating was removed. This first
coat should flash in approximately 3-5 minutes.
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12. Apply a second coat of Lloyds Kryptonite. This can be a heavy coat; double and triple passes with this product,
over a light first coat, are not a problem.
Note: Dried Lloyds Kryptonite will perform beautifully over time and actually get harder and more durable as it
experiences heat.
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13. We suggest top coating the Lloyds Kryptonite with Daubert Nox-Rust® P/N X-121B “One Coat Rust
Preventative Coating” (aerosol), or equivalent.
Note: As shown in the graphic below, besides adding a corrosion resistant layer, it dries to firm, wax-like film which
will more closely resemble the appearance of the unrepaired areas of the frame.
3611143
14. Lower the vehicle and allow the final coat to dry as recommended by the manufacturer.
Parts Information
Dealers should obtain 25418 and 36502 by contacting Lloyds by e-mail at [email protected], or by
calling 1-800-361-6766.
U.S. Dealers can obtain the X-121B topcoat by contacting the Daubert website at www.daubertchemical.com or
inside the U.S. only, by calling 1-800-914-0034.
Canadian dealers must contact the Daubert distributor in Canada, Corrosion Control Coatings Ltd, by faxing the form
below to 1-800-563-8078.
Important: ONLY Canadian Dealers should use this form.
Warranty Information
For vehicles repaired under warranty, use Labor Operation below and include material cost.
Labor Operation
Description
Labor Time
1480098*
Remove Frame Wax, Apply Metal Coating
Up to 7.0 hrs
*This is a unique Labor Operation for Bulletin use only.
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