plugs

Check Max.
Torque Value
(94 lb.ft.)

Document engine
rotational torque
VIDEO

Under
94 lb.ft.

Perform BCT

Over
94 lb.ft.

See Appendix 1

Process
Completed

NO

KSDS Software
update available

YES

Replace Engine

PWA PROCESS

Check for updated
software

Diagnosis coverage
only; any required
repairs are to be
completed using
normal service
procedures.
Do Not Submit as a
Campaign Claim.

Refer to SC291
(As Applicable)

NO
PASS

BCT Result

PASS

SC291S

KDS Software
Update

Note: If any concerns arise during/after completing the flow chart(s), open a Techline case online.

 IMPORTANT
Due to recent updates to KDS, always follow the BCT procedure instructions outlined in KDS. You
may also refer to SST067 for BCT Procedure/Calibration information.

Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: SC291YZ (Rev 1) Sorento (XMa) January
2025 Inc. Internal Use Only
Kia America,

Page 7 of 16

ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (SC291Y/Z)

SUBJECT:

Knock Sensor Replacement Procedure:
1.

Replace the knock sensor by referring to the
“Engine Control / Fuel System → Engine
Control System → Knock Sensor → Repair
procedures” chapter in the applicable Shop
Manual on KGIS.

Engine Replacement Procedure:
1.

Replace the engine assembly by referring to the
“Engine Mechanical System → Engine And
Transmission (Transaxle) Assembly → Sub &
Long Engine Assembly → Repair procedures”
chapter in the applicable Shop Manual on KGIS.

Refer to TSB ENG190 for information regarding
engine replacement practices.

2.

After removal of the engine from the vehicle, remove all components that will need to be transferred
by referring to the applicable Shop Manual on KGIS.

3.

Install all removed components from the old engine block onto the new engine block utilizing all parts
from Service Kit(s).

5.

Reinstall the assembled engine and transmission/transaxle into the vehicle.
Be sure to:
•

Fill crankcase with 5W-30 oil (refer to KGIS for oil fill level requirements)

•

Recommended Product: QUARTZ 9000 FUTURE FGC 5W-30 Full Synthetic SN PLUS, QUARTZ
9000 FUTURE XT 5W30 Full Synthetic SN PLUS,
Mobil Super Synthetic 5W30 or above.
If not available, use other brand 5W30 and Full Synthetic type with API SN/SN+/SP, ILSAC
GF4/GF5 or higher service grade.

6.

•

Fill and bleed the cooling system with 50/50 coolant or mixture appropriate for area.

•

Pressurize the fuel system before starting the vehicle.

•

Reset engine adaptive values and perform steering angle sensor calibration.

Confirm that the Rom ID is up to date. If not, reflash the ECU to the latest ROM ID available. Refer to
SC291 – Engine Inspection/Replacement and KSDS Software Installation.

7.

Verify proper operation of the vehicle with road test, and with the engine ON (running), erase any
stored DTCs (e.g., EPS, ESC, and TPMS) that may have been set by this procedure. Verify no leaks
exist and ensure engine oil and coolant are at their proper level.
If any DTCs are still active, follow any related diagnosis and repair as needed.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB:
(Rev 1) Sorento (XMa) January 2025
Kia America, Inc. Internal
UseSC291YZ
Only

Page 8 of 16
SUBJECT:

ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (SC291Y/Z)

AFFECTED VEHICLE RANGE:
Model

Production Date Range

Sorento (XMa)

October 24, 2009 to June 24, 2011

REQUIRED TOOL:
Tool Name

Part Number

Figure

Comments

Click-Type or
Electronic Torque

N/A

Locally Sourced

Wrench
Auto-shipped to Dealers
For troubleshooting
assistance contact the

Bearing Clearance
Tester Kit

GITA Support Line at:

KQ231 2T110QQK

(888) 542-4371.
For replacement parts,
contact Snap-On Tools at:
(888) 542-1011.

REQUIRED PART:
Part Name

Part Number

Figure

Qty.

Theta 2.4L MPI
Engine Long Block

21101 2G404FFF

1

(XMa)

Service Kit

21111

1

2G4S2FFF
23231 25200FFF

M/T *Do Not reuse bolts

7

23311 25050

A/T *Do Not reuse bolts

7

Knock Sensor

39250 2G100

N/A

1

O-Ring

47354 39300

Flywheel Bolts

Optional (4WD):
only if damaged.

1

Note: The replacement QQK part numbers will require a VIN entry for parts ordering. DO NOT order
these parts for stocking purposes, related to this Campaign. Supply is very limited. Until supply
stabilizes, please confirm part availability before scheduling customers. Please be sure to expedite
warranty claim filing.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB: SC291YZ (Rev 1) Sorento (XMa) January
2025 Inc. Internal Use Only
Kia America,

Page 9 of 16
SUBJECT:

ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (SC291Y/Z)

WARRANTY CLAIM INFORMATION FOR:
SC291 Y1, SC291 Z1 and SC291S (DIAGNOSIS ONLY CLAIMS):

 IMPORTANT
REFER TO WARRANTY BULLETIN 2025-02 (SC291Y, Z OR SC291S) FOR MODEL-SPECIFIC
LABOR OPERATIONS AND TIMES, AS WELL AS SPECIFIC CLAIM SUBMISSION
PROCEDURES. NOTE: REVIEW APPENDIX 1 & 2 FOR ADDITIONAL TECHLINE PWA
INFORMATION REQUIRED.
Flow Chart Symptom #A

SC291Y

Diagnostics

BCT Pass

Flow Chart Symptom #B

R&R Knock Sensor
ECU Upgrade

DTC P1326
(No TL PWA Required)

Repairs

BCT No Pass

Engine R&R
Engine R&R + ECU Software Update

Diagnostics

Repairs
Inspection + Noise Check (N) (SC291S Claim)
Repairs under normal warranty coverage MAY apply.
Separate TL PWA case required

SC291Z

Check Oil + BCT Pass

Engine Noise

Noise Check + TL PWA + Engine R&R

(TL PWA Required)

+ ECU Software Update
Check Oil + BCT
No Pass

Flow Chart Symptom #C

Check Oil Amount +
(+ 94lb.ft)
Check Oil Amount +

Engine No Crank
(TL PWA Required)

Engine R&R with TL PWA
Engine R&R with TL PWA + ECU Software Update

Diagnostics
Check Crank Rotation

SC291Z

Noise Check + TL PWA + Engine R&R

Crank Rotation (- 94lb.ft)
+ BCT Pass
Check Oil Amount +
Crank Rotation (-94lb.ft)
+ BCT No Pass
Check Oil Amount +
Crank Rotation (+94lb.ft)
(no BCT)

Repairs
Inspection Only (SC291S Claim) – Repairs under
normal warranty coverage MAY apply – separate TL
PWA case required)
Diagnosis Only (SC291S Claim) – Repairs under
normal warranty coverage MAY apply – separate TL
PWA case required)
Engine R&R with TL PWA
Engine R&R + ECU Software Update with TL PWA
Engine R&R with TL PWA
Engine R&R + ECU Software Update with TL PWA

Note: Photo requirement for Warranty Claim submission as outlined in TSB SC291YZ: Separate photos
of the oil dipstick reading, oil filler cap, oil filter opening must be attached to the claim using Warranty
Claim Attachment type ‘XX - Other’. Failure to provide the required photos may result in claim rejection
or chargeback. Refer to Warranty Bulletin 2025-02 for details regarding coolant and substitute
transportation reimbursement requirements.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

TSB:
(Rev 1) Sorento (XMa) January 2025
Kia America, Inc. Internal
UseSC291YZ
Only

Page 10 of 16

ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (SC291Y/Z)

SUBJECT:

Appendix 1 (Techline Prior Work Authorization)
Inspection Type

Findings

Action
1.

Perform Oil Level Measurement

Dealers are to empty crankcase oil into a
measuring container and record findings.
Note: Take a photo of the oil level using KDS.
2.

Oil Dipstick
Oil Filler Cap
Oil Filler Opening

Suspect Exceptional Neglect (NG)
•