NHTSA ID Number: 10165640
Manufacturer Communication Number: IK0900134
TSB/Document Date: 2019-10-03
Summary
LT A26 Cold Side CAC Hose Rupture. only models with A26 engine and built on 06/01/2018 and after
IK0900134 - LT A26 Cold Side CAC Hose Rupture
Page 1 of 3
Countries:
CANADA, UNITED STATES Document ID: IK0900134
Availability:
ISIS, NotSIR
Revision:
6
Major System:
COOLING
Created:
7/12/2019
Current Language: English
Last Modified: 9/16/2019
Other Languages: NONE
Author:
Viewed:
Frank Amstadt
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Title : LT A26 Cold Side CAC Hose Rupture
Applies To : LT A26
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
09/16/2019 - Updated part number for CAC Hose
08/05/2019 - Updated decision tree for diagnostics.
07/24/2019 - Updated diagnostic steps, to direct technician what needs to be provided in the case file.
07/18/2019 - Updated diagnostic steps.
07/17/2019 - Updated Warranty Language.
DESCRIPTION
This document will guide the user through repairing vehicles that experienced a cold side CAC hose failure
SYMPTOM(s)
Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
DTC/Light
Description
3936-15/16
3251-0/15/16
4364-18
5298-18
3426-0
Customer Observations or Concerns:
Diver may experience a loud pop, low power, and or check engine light on.
SPECIAL TOOL(s) / SOFTWARE
Tool Description
NED
Tool Number
Comments
Instructions
EZ-Tech Software
SERVICE PARTS INFORMATION
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10/2/2019
IK0900134 - LT A26 Cold Side CAC Hose Rupture
Page 2 of 3
Kit Description
Part Number
Quantity
Notes
Required
CHARGE AIR COOLER(CAC) OUTLET
HOSE
6129021C3
1
DIAGNOSTIC STEP(s)
Step Action
Decision
DIAGNOSTIC:
Yes. Open Case File.
Is the CAC hose ruptured?
Pull health report, parameter file, and
freeze frame data.
Check Parameter 55790 (Max DPF
Outlet Temp). Is it at or above 1550F?
Attach information to case file
#1
All components replaced per tech service's
direction are to be filed as progressive
damage as a result of the CAC hose failure.
File in Same Claim Section as CAC Hose.
No. Follow FCAPs for fault codes
WARRANTY INFORMATION
Warranty Claim Coding:
Refer to the Warranty Coding Manual for Group and Noun Codes.
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10/2/2019
IK0900134 - LT A26 Cold Side CAC Hose Rupture
Page 3 of 3
Standard Repair Time(s):
Refer to the SRT Manual for Repair Times
OTHER RESOURCES
Master Service Information Site
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Copyright © 2019 Navistar
, Inc.
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10/2/2019
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TSB/Document ID: IK0900134
Replacement Service Bulletin Number:
MFR Communication Date: 2019-09-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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