Special Coverage Adjustment
15829 Radiator Leak
Reference Number:

Make
Chevrolet
GMC

Release Date:
Revision:

N15170099

Model
Silverado LD
Sierra LD

Model Year
From
To
2014
2014

RPO
L83, L86

November 2016
00
Description
5.3L and 6.2L Engines

Involved vehicles are identified on the Applicable Warranties section in GM Global Warranty Management system. This
site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.
Condition

Special
Coverage
Adjustment

Some 2014 model year Chevrolet Silverado LD and GMC Sierra LD vehicles equipped with 5.3L or 6.2L
engines (RPO L83 or L86), may have a condition in which the cycling of the thermostat may result in
stress fractures on the radiator, and may lead to coolant leaks.
This special coverage covers the condition described above for a period of 5 years or 100,000 miles
(160,000 km), whichever occurs first, from the date the vehicle was originally placed in service,
regardless of ownership.
For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after
November 09, 2016, are covered by this special coverage and must be submitted using the labor
operation codes provided with this bulletin. Claims with repair orders prior to November 09, 2016, must
be submitted to the Service Contract provider.

Correction

Dealers are to install a new thermostat and if necessary, replace the radiator. The repairs will be made
at no charge to the customer.

Parts
Quantity
1
1
3
3

Part Name
Radiator
Water Pump Outlet (w/Thermostat)
Transmission Fluid Cooler Pipe Retainer
Engine Coolant

Part No.
84062175
12674639
24205103
12346290 (US)
10953464 (Canada)

Note: Use the vehicle identification number (VIN) and the GM Electronic Parts Catalog (EPC) to determine which part to
order.
Warranty Information
Labor
Operation

9900393
9900394
9900395
9900396

Description
Diagnostic Time Only – No Repair Required
Replace Radiator and Engine Coolant Thermostat Housing
Add: Diagnostic Time
Customer Reimbursement Approved - For USA and Canada dealers
only
Customer Reimbursement Denied – For USA dealers only

Labor
Time
0.1-0.3

Trans.
Type
ZREG

Net
Item
N/A

2.9
0.1-0.3
N/A

ZREG

N/A

ZREG

*

N/A

ZREG

**

*

For USA and Canada: Submit the dollar amount reimbursed to the customer in Net/Reimbursement. Submit $20.00
administrative allowance in Net/Admin Allowance.

**

Submit $10.00 administrative allowance in Net/Admin Allowance.

Copyright 2016 General Motors. All Rights Reserved.

Page 1 of 3

Special Coverage Adjustment
15829 Radiator Leak
Service Procedure

4082319
Note: For this particular condition, signs of leaks can be found where the radiator tubes attach to the radiator
headers.
1.

Verify that the radiator is leaking. Refer to Cooling System Leak Testing (L83, L86, LV1, LV3) in SI.


If the radiator is NOT leaking, no further action is required. Inform the customer that any additional diagnosis
and repairs are not covered under this special coverage.



If the radiator is leaking, replace the radiator and the engine coolant thermostat. Refer to Radiator Replacement
(L83, L86) and Engine Coolant Thermostat Housing Replacement (LV1, LV3, L83 with Thermostat) in SI.

Customer Notification
General Motors will notify customers of this special coverage on their vehicle (see copy of typical customer letter included
with this bulletin).
Customer Reimbursement
Customer requests for reimbursement of previously paid repairs to correct the condition described in this bulletin are to
be submitted to the dealer prior to or by November 30, 2017. See General Motors Service Policies and Procedures
Manual, Sections 1.4 and 6.1.10, for courtesy transportation program details.

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 tools, equipment, 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 dealer for information on whether your
vehicle may benefit from the information.

We Support
Voluntary Technician
Certification

Page 2 of 3

Special Coverage Adjustment
15829 Radiator Leak
November 2016
This notice applies to your vehicle, VIN: _____________________________________
Dear General Motors Customer:
As the owner of a 2014 model year Chevrolet Silverado LD or GMC Sierra LD, your satisfaction with our product is very
important to us.
This letter is intended to make you aware that some 2014 model year Chevrolet Silverado LD and GMC Sierra LD
vehicles equipped with a 5.3L or 6.2L engine, may have a condition in which the cycling of the thermostat may result in
stress fractures on the radiator, and may lead to coolant leaks.
Do not take your vehicle to your GM dealer as a result of this letter unless you believe that your vehicle has the
condition as described above.
What We Have Done: General Motors is providing owners with additional protection for the condition described above.
If this condition occurs on your 2014 model year Chevrolet Silverado LD or GMC Sierra LD within 5 years of the date
your vehicle was originally placed in service or 100,000 miles (160,000 km), whichever occurs first, the condition will be
repaired for you at no charge. Diagnosis or repair for conditions other than the condition described above is not
covered under this special coverage program.
What You Should Do: If you believe that your vehicle has the condition described above, repairs and adjustments
qualifying under this special coverage must be performed by a General Motors dealer. You may want to contact your
GM dealer to find out how long they will need to have your vehicle so that you may schedule the appointment at a time
that is convenient for you. This will also allow your dealer to order parts if they are not already in stock. Keep this letter
with your other important glove box literature for future reference.
Reimbursement: If you have paid for repairs for the condition described in this letter, please complete the enclosed
reimbursement form and present it to your dealer with all required documents. Working with your dealer will expedite
your request, however, if this is not convenient, you may mail the completed reimbursement form and all required
documents to Reimbursement Department, PO Box 33170, Detroit, MI 48232-5170. The completed form and required
documents must be presented to your dealer or received by the Reimbursement Department by November 30, 2017,
unless state law specifies a longer reimbursement period.
If you have any questions or need any assistance, just contact your dealer or the appropriate Customer Assistance
Center at the number listed below.
Division
Chevrolet
GMC
Puerto Rico – English
Puerto Rico – Español
Virgin Islands

Number
1-800-222-1020
1-800-462-8782
1-800-496-9992
1-800-496-9993
1-800-496-9994

Text Telephones (TTY)
1-800-833-2438
1-800-889-2438

We are sorry for any inconvenience you may experience; however, we have taken this action in the interest of your
continued satisfaction with our products.
Terry M. Inch
Executive Director
Global Connected Customer Experience

Enclosure
15829

Page 3 of 3

GLOBAL SAFETY FIELD INVESTIGATIONS
DCS4249
URGENT - DISTRIBUTE IMMEDIATELY
Date:

November 09, 2016

Subject: 15829 - Special Coverage
Radiator Leak
Models: 2014 Chevrolet Silverado LD and GMC Sierra LD
Equipped with 5.3L or 6.2L Engine (RPO L83, L86)
To:

All Chevrolet and GMC Dealers

General Motors is releasing Special Coverage 15829 today. The total number
of U.S. vehicles involved is approximately 38,600. Please see the attached
bulletin for details.
Customer Letter Mailing
The customer letter mailing will begin on November 11, 2016.
Global Warranty Management (GWM)
The Investigate Vehicle History (IVH) screen in the GWM system will be updated
November 10, 2016. Please hold all warranty transactions until the VIN appears in IVH.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS