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NHTSA ID Number: 11023648

Manufacturer Communication Number: IK1201463

TSB/Document Date: 2025-10-02


Summary

The purpose of this article is to describe all aspects of the A26 Connecting Rod Replacement Process.


Countries: CANADA, UNITED STATES Document ID: IK1201463

Availability: ISIS, IsSIR Revision: 21
i 0 Ww Major System: ENGINE Created: 10/14/2021
Current Language: English Last Modified: 9/22/2025

Knowledge Base Other Languages: NONE Author: Marcelo Sahagun
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Title: A26 Connecting Rod Replacement Process

Applies To: All A26 engines built prior to 11/2019

CHANGE LOG

9/15/2025 - Removal of NED notations, and changes to SDS

2/3/2025 - Cleaned up old information

6/27/2024 - Clarified campaign is no longer paused

12/4/2023 - All PWR CYL campaigns were reactivated

9/21/2023- Included note on pausing campaigns. Included inspection times

9/18/2023 - InternationaleBay logo has temporarily paused proactive repair activity due to supplier constraints

8/31/2023- Included inspection summary for PWR CYL KITs

8/15/23 - Added SRTs for HX and HV

5/22/23 - Added quality hold alert to 2517649C93

4/4/2023 - Updated Proactive vs Reactive verbaige. Clarified completing 20504, 21505, and 22518 post repair. Added blurb to open case for torque data
2/17/2023 - Updated Broken Links. Updated verbaige

11/07/2022 - Updated: Authorized Dealer List / Updated Repair Instruction Flow / Transition from Blue Tag to Warranty Retum
05/17/2022 - Updated Authorized Dealer List

DESCRIPTION

The purpose of this article is to describe all aspects of the A26 Connecting Rod Replacement Repair Processes.

To address an A26 connecting rod supplier quality spill, InternationaleBay logo is streamlining quality repair strategies to help avoid customer
disturbance.

InternationaleBay logo is implementing connecting rod replacements which results in less downtime and damage avoidance.

SPECIAL TOOL(s) / SOFTWARE

Tools listed below should be available and in good working condition prior to the start of the repair to avoid any delays in the
completion of the work.

Note: Other tools are required, refer to the service manual for the detailed list
Note: Always ensure calibration on Digital Torque Wrench is up to date
Note: InternationaleBay logo shipped Cylinder Kit Puller 12-192-01 to high A26 traffic dealer locations.

Tool Description Tool Number References
Cylinder Kit Puller Tool 12-192-01 TL1200005
Snap-On Digital Torque Wrench CTECH3FR250A || 1K1201391
Cylinder Head Lifting Bracket 12-342-03
Engine Barring Tool {2-102-02

Socket, ConRod Bolt (E18 TORX) || ZTSE4835
Socket, Head Bolt (E24 TORX) ZTSE4787
Head Bolt Bottoming Tap ZTSE4855
Gauge, Cylinder Liner Height ZTSE2515A
Liner Protrusion Clamps ZTSE4825

ERVICE PARTS INFORMATION

The following parts are required for Connecting Rod Replacement Repair:
NOTE: Week of 5/15/23, 2517649C93/4 was placed on a quality hold. Inventory will be corrected and revised to 2517649C96.
NOTE: To install Assembled Power Cylinder Assembly, Red Cylinder Cap Plug 2523516C1 is available in PDC - It is reusable

Kit Description Part Number Quantity
Kit, Cylinder Head Removal

& Installation 2517038092 1

Kit, Power Cylinder All repair should 6

utilize 2517649C9*

Gasket, Oil Pan 3003425C2 1
Seal, O-Ring (Pick up tube) ||06569361612 1
Kit, Oil Filter 3007498094 1

Below table displays the differences between the parts kits:

Description Part

Number

Notes

Visual Description

Instructions

Kit, Reduced Power
Cylinder

2522946C9*

1. RETAINER,
PISTON PIN

2. ROD
ASSEMBLY,
CONNECTING

3. BEARING,
CONNECTING
ROD UPPER

4. SHELL,
BEARING
LOWER
STANDARD

5. O-RING,
CYLINDER
SLEEVE 139.4
X 3.95

4328817R1

A26 Power Cylinder
Kit (Assembled)

2517649C9*

Power Cylinder
Assembly is Pre-
Assembled with
New
Components

A26
REMANUFACTURED
POWER CYLINDER
KIT (Assembled)

5012252R91

Power Cylinder
Assembly is Pre-
Assembled with
New Components
anda
Remanufactured
Piston

Disassembly:
Power
Cylinder
Assembly
Removal

Assembly: 2017
A26 Manual>
Power
Cylinder
Assembly >
Installation

Contains re. |
. Components
Reduced Cylinder Required for
Head Removal Kit, 2517038C92 Cylinder Head
Ral ylinder hea a
Removal and te
Installation (R&I) & *
Contains ¢ oo
i Components ed Fe EL UY
pomoaKe 84 || 2617611C92|| Required for Rie es
Cylinder Head mK et
Replacement ue
REPAIR STEP(s)

WARNING! To prevent property damage, personal injury, and / or death, park vehicle on a hard,
flat surface, turn the engine off, set the parking brake, and install wheel chocks to prevent the
vehicle from moving in either direction.

WARNING! To prevent property damage, personal injury, and / or death, if the vehicle must be
raised, do not work under the vehicle supported only by jacks. Jacks can slip or fall over.

WARNING! To prevent personal injury and / or death, always wear safe eye protection when
performing vehicle maintenance.

WARNING! To prevent property damage, personal injury, and / or death, keep flames or sparks
away from vehicle and do not smoke while servicing the vehicle’s batteries. Batteries expel
explosive gases.

WARNING! To prevent property damage, personal injury, and / or death, remove the ground
cable from the negative terminal of the battery box before disconnecting any electrical
components. Always connect the ground cable last.

NOTE: Campaigns 20504, 21505, and 22518 do NOT need to be completed. After warranty claim
submission, campaigns will be marked complete

Refer to TIPs video for best practices Learning Management System (NavistarEducation.com)> TIPS>
Power Cylinder Kit Installation & Best Practices (9273)

1. Park vehicle on a flat surface
2. Shift transmission into Park or Neutral and set parking brake
3. Turn ignition to Key OFF position
4. Install wheel chocks
NOTE: OPEN TECHNICAL SERVICE CASE FILE TO UPLOAD TORQUE DATA
5. Remove Cylinder Head 0000870980 2017 A26 Engine Service Manual
6. Replace 6 Connecting Rods: (Cylinder Kit Puller NOT Required
i. Reduced Power Cylinder Kit (2522946C92): Instructions 4328817R1
ii. Assembled Power Cylinder Kit (2517649C93): 2017 A26 Manual> Power Cylinder Assembly > Installation

( |
= at
e=>

——

Figure #: Power Cylinder Assembly
and Cylinder Puller Kit

12

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TSB/Document ID: IK1201463

Replacement Service Bulletin Number:

MFR Communication Date: 2025-09-22

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ENGINE

MFR Component System:

MFR Component Subsystem:


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