NHTSA ID Number: 10198714
Manufacturer Communication Number: IK0900141
TSB/Document Date: 2021-07-02
Summary
MV Air Compressor Inlet Hose Rubbing; only MV's with Cummins B6.7 built 11/20/2019 - 11/06/2020
IK0900141 - MV Air Compressor Inlet Hose Rubbing
Page 1 of 4
Countries:
Document
ID:
IK0900141
Availability:
ISIS, Bus ISIS, FleetISIS, Body
Builder, NotSIR
Revision:
1
Major System:
COOLING
Created:
3/19/2021
Current
Language:
English
Last
Modified:
6/16/2021
Other
Languages:
NONE
Author:
Allan
Hertko
Viewed:
240
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Title : MV Air Compressor Inlet Hose Rubbing
Applies To : MV's with Cummins
B6.7 built 11/20/2019 - 11/06/2020
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
06/14/2021- Updated article reflecting steps for diagnostic trouble codes and procedures.
03/21/2021- Initial Article Release
DESCRIPTION
Navistar has identified that in some rare circumstances the Air Compressor Inlet Hose from the Charge Air Cooler, may chafe
due to insufficient route and clip. The description and images below offer instruction on sufficient route and clip.
SYMPTOM(s)
Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
DTC/Light
Description
SPN: 411 FMI: 2 (Cummins 1866)
EGR Differential Pressure - Data Erratic, Intermittent, or Incorrect
SPN: 102 FMI: 10 (Cummins 3361)
Intake Manifold Pressure - Abnormal rate of change
SPN: 3058 FMI: 18 (Cummins 3382)
EGR System - Data valid but below normal operating range
SPN: 3058 FMI: 10 (Cummins 3389)
EGR System - Abnormal rate of change
Customer Observations or Concerns:
• Air compressor inlet hose chaffed
• Turbo boost air leak at the air compressor inlet hose
• Check engine light
SPECIAL TOOL(s) / SOFTWARE
Tool Description
Tool Number
Comments
Instructions
N/A
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IK0900141 - MV Air Compressor Inlet Hose Rubbing
Page 2 of 4
SERVICE PARTS INFORMATION
Kit Description
Part Number
Quantity
Notes
HOSE, AIR COMPRESSOR, 1 IN ID
6132813C2
1
Only required if chafed or leaking
DIAGNOSTIC STEP(s)
If an engine has experienced a failed air compressor hose and check engine light with
active or inactive fault codes: 1866, 3361, 3382 and or 3389. Please refer to
Cummins Inspection & Cleaning Procedure Air Intake Connection and Service Bulletin
5579934 for further information. Proceed with hose replacement after cleaning and
inspection has been completed.
If a hose is found to be chafed or leaking with no fault codes present proceed with hose
replacement and routing steps listed below.
1. Inspect air compressor inlet hose for chafing or leaks
2. If chafing or leaks are found, replace hose
3. Route and clip hose per instructions below
REPAIR STEP(s)
Route and Clip Requirements:
1. Air Compressor Intake Hose clipping point on the CAC pipe shall be centered horizontally and securely fastened with a
saddle & tie strap (Figure 1)
2. Air Compressor Intake Hose clipping point to the saddle tie strapped on the CAC pipe shall be centered vertically on the CAC
pipe and securely fastened with a tie strap (Figure 2)
3. Air Compressor inlet hose routing shall be routed above and parallel to the fuel line, positioned in the highest clipping point in
the stanchion bracket, and securely fastened with a tie strap (Figure 3)
4. Tie straps located near the driver side motor mount shall have the sharp trimmed edges of tie straps rotated away from the Air
Compressor Inlet Hose so sharp edges face the motor mount (Figure 4)
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IK0900141 - MV Air Compressor Inlet Hose Rubbing
Page 3 of 4
Figure 1: Top View- CAC pipe saddle & tie strap centered
Air Compressor Intake Hose clipping point on the CAC pipe shall be
centered horizontally and securely fastened with a saddle & tie strap
Figure 2: Side View- CAC pipe saddle & tie strap centered
Air Compressor Intake Hose clipping point to the saddle tie strapped
on the CAC pipe shall be centered vertically on the CAC pipe and
securely fastened with a tie strap
Figure 3: Air Compressor Inlet hose routed above fuel line
Air Compressor inlet hose routing shall be routed above and parallel
to the fuel line, positioned in the highest clipping point in the
stanchion bracket, and securely fastened with a tie strap
Figure 4: Rearward projection- Sharp Edge rotated to away
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IK0900141 - MV Air Compressor Inlet Hose Rubbing
Page 4 of 4
Tie straps located near the driver side motor mount shall have the
sharp trimmed edges of tie straps rotated away from the Air
Compressor Inlet Hose so sharp edges face the motor mount
WARRANTY INFORMATION
Warranty Claim Coding:
Refer to the Warranty Coding Manual for Group and Noun Codes.
Standard Repair Time(s):
Refer to the SRT Manual for Repair Times
Reference Cummins Inspection & Cleaning of Air Intake Connection
OTHER RESOURCES
Master Service Information Site
Feedback Information
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Staff
ID
Client
ID
DY00184
Comments
You received the following feedback From: DY00184 - Shane Hoye Email Address: [email protected] Job Classification: SE003,
Service Manager Dealer: HILL INTL TRUCKS NA LLC Feedback: CAN WE ADD THE NOUN FOR THIS HOSE TO THE LETTER
PLEASE
Created
Date
6/29/2021
8:53:01 AM
Copyright © 2021 Navistar, Inc.
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 7/1/2021
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TSB/Document ID: IK0900141
Replacement Service Bulletin Number:
MFR Communication Date: 2021-06-14
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES, AIR
MFR Component System:
MFR Component Subsystem:
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