21-01-058G

Campaign
21-01-058G
August, 2021
G80 (RG3)
RADIATOR RESERVOIR TANK LABEL INSPECTION AND
REPLACEMENT (SERVICE CAMPAIGN T20G)
 IMPORTANT
*** Dealer Stock and Retail Vehicles ***
Dealers must perform this Service Campaign on all affected vehicles prior to customer retail
delivery and whenever an affected vehicle is in the shop for any maintenance or repair.
When a vehicle arrives at the Service Department, access Genesis Motor America's "Warranty
Vehicle Information screen (VIS)” via WEBDCS to identify open Campaigns.
Description: Certain 2021MY Genesis G80 (RG3) vehicles may have coolant leakage from the radiator
reservoir tank. Follow the procedure outlined in this bulletin to inspect the radiator reservoir tank, and
if necessary, replace it with a new part.
Applicable Vehicles: Certain 2021MY G80 (RG3) vehicles equipped with 3.5T produced from
1/13/2021 to 4/26/2021.
Parts Information:
2021 G80 (RG3)
RADIATOR
RESERVOIR TANK
ASSEMBLY
25431-T1100
25431-T1100QQH
Warranty Information:
10D080R2
RADIATOR RESERVOIR
TANK LABEL CHECK
0.3 M/H
25431-T1100QQH
B22
ZZ2
RADIATOR RESERVOIR
10D080R4
TANK LABEL CHECK AND
0.4 M/H
25431-T1100QQH
REPLACEMENT
NOTE 1: Submit Claim on Campaign Claim Entry Screen.
NOTE 2: If a part that is not covered by this campaign is found in need of replacement while
performing Service Campaign T20G, and the affected part is still under warranty, please follow the
add-on repair procedures and requirements outlined in the Genesis Warranty Policy and Procedures
Manual and submit a separate warranty claim using the same Repair Order. If the affected part is
out of warranty, submit a Prior Approval Request for goodwill consideration prior to performing the
work.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
Inspection Procedure:
1. Open the hood of the vehicle.
2.
Remove the engine cover (A).
A
3.
Loosen the radiator reservoir tank fixing nuts
(B).
NOTICE
Tightening Torque:
7.23 lb-ft (9.8 Nm)
B
TSB #: 21-01-058G
Page 2 of 5
4.
Remove the radiator reservoir tank (C).
C
5.
Check the LOT number of the label (D) on the
side of the reservoir tank.
Proceed with the operation according to
the following inspection result information:
NOTE: The date code follows the
YY/MM/DD format.
➢ Replace the reservoir tank if LOT
number is on or within the following
affected date codes:
D
21/01/12 to 21/01/20
➢
If it is not possible to clearly identify
the date code on the label, replace the
radiator reservoir tank following the
procedure on page 4.
➢ If it is outside of the affected date code
range (such as the example label
picture shown on right), then the
inspection is complete. DO NOT
replace.
TSB #: 21-01-058G
Page 3 of 5
Service Procedure:
!
CAUTION
If the engine has been operated,
the coolant may be hot. Be sure
to allow sufficient time to cool
prior to beginning this
procedure.
1.
Open the radiator reservoir tank cap (E).
E
NOTICE
This service procedure does not
require draining of the radiator.
2.
Pour (or suction out as shown below) the
coolant from the reservoir tank into a clean
container.
3.
Remove the hose clamps (F) connected to the
reservoir tank.
F
F
TSB #: 21-01-058G
Page 4 of 5
4.
Remove the reservoir tank and replace it
with a new radiator reservoir tank.
!
CAUTION
In the process of removal, be
sure to contain any coolant
spillage with shop towels as
much as possible.
Wipe off the remaining coolant
residue completely after
installing the new reservoir
tank.
5.
After reservoir replacement,
➢ Install parts in reverse order of removal.
➢ Refill the coolant to the MAX level.
6.
The service procedure is now complete.
TSB #: 21-01-058G
Page 5 of 5