22-01-060G

GROUP
NUMBER
Campaign
DATE
MODEL(S)
JULY 2022
Technical Service Bulletin
22-01-060G
G80 (RG3)
RADIATOR RESERVOIR TANK LABEL INSPECTION AND
REPLACEMENT (SERVICE CAMPAIGN T20G)
SUBJECT:
This TSB supersedes 21-01-058G with updates to the applicable vehicles and changes to the
reservoir tank lot number date code information.
 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.
Access the "Warranty Information" screen (VIS) via WEBDCS to identify open campaigns.
Description: Certain 2021-2022MY 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 2021-2022MY G80 (RG3) vehicles equipped with 3.5T produced from
1/13/2021 to 2/21/2022
Parts Information:
Model
Part Name
G80 (RG3)
RADIATOR
RESERVOIR TANK
ASSEMBLY
Part Number
Old
New
25431-T1100
25431-T1100QQH
Description
Warranty Information:
Op Code
Operation
Op
Time
Causal Part
Nature Cause
Code
Code
RADIATOR RESERVOIR TANK
0.3 M/H 25431-T1100QQH
LABEL CHECK
B22
ZZ2
RADIATOR RESERVOIR TANK
10D080R4
0.4 M/H 25431-T1100QQH
LABEL CHECK AND 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, Sales Manager, Service Manager, Parts Manager, Warranty
Manager, Service Advisors, Technicians, Body Shop Manager, Fleet Repair
10D080R2
SUBJECT:
RADIATOR RESERVOIR TANK LABEL INSPECTION AND REPLACEMENT (SERVICE CAMPAIGN T20G)
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 #: 22-01-060G
Page 2 of 5
SUBJECT:
4.
RADIATOR RESERVOIR TANK LABEL INSPECTION AND REPLACEMENT (SERVICE CAMPAIGN T20G)
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
Day/Month/Year format.
 Replace the reservoir tank if LOT
number is on or within any of the
following affected date code ranges
(such as the example label picture
shown on right):
D
 12/01/21 to 20/01/21
OR
 21/04/21 to 30/12/21

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 any of the affected date
code ranges, then the inspection is
complete. DO NOT replace.
TSB #: 22-01-060G
Page 3 of 5
SUBJECT:
RADIATOR RESERVOIR TANK LABEL INSPECTION AND REPLACEMENT (SERVICE CAMPAIGN T20G)
SUBJECT:
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 #: 22-01-060G
Page 4 of 5
SUBJECT:
4.
RADIATOR RESERVOIR TANK LABEL INSPECTION AND REPLACEMENT (SERVICE CAMPAIGN T20G)
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 #: 22-01-060G
Page 5 of 5
SUBJECT: