NHTSA ID Number: 10130919
Manufacturer Communication Number: IK0900123
TSB/Document Date: 2018-04-02
Summary
Fan hub bracket bolts loose or missing; only with fan drive feature code 12THT or 12TKY
IK0900123 - Fan hub bracket bolts loose or missing
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Countries:
CANADA, UNITED STATES,
MEXICO
Document ID: IK0900123
Availability:
ISIS, NotSIR
Revision:
1
Major System:
COOLING
Created:
10/19/2017
English
Last
Modified:
10/26/2017
Author:
Jason
Heckler
Current
Language:
Other Languages: NONE
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139
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Title : Fan hub bracket bolts loose or missing
Applies To : LT, HX, Prostar, Lonestar, with 12THT, 12TKY fan drives
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
10/26/2017 - Initial Article Release
DESCRIPTION
This document will guide the user through identifying and correcting fan hub mounting bracket issue.
SYMPTOM(s)
DTC/Light
Description
N/A
N/A
Customer Observations or Concerns:
Fan hub mounting bracket loose or missing bolts. Possible damage to the fan or fan hub.
SPECIAL TOOL(s) / SOFTWARE
Tools Resource Center
SERVICE PARTS INFORMATION
Kit Description
Part Number
Per VIN
Quantity
Notes
Required
1 if needed
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IK0900123 - Fan hub bracket bolts loose or missing
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Fan Drive
Per VIN
1 if needed
30185R1
4
30748R1
4
DIAGNOSTIC and REPAIR STEP(s)
Step Action
DIAGNOSTIC:
Decision
Yes. Go to Step 2
Has an issue been identified with the fan hub bracket/bolts?
1
No. Article does not Apply
Step Action
DIAGNOSTIC:
Is there damage to the fan hub and/or fan?
Decision
Yes. Obtain new fan hub and/or fan.Go
to Step 3.
2
No. Go to Step 3.
Step Action
3
Decision
Using a disc grinder, remove the paint from the fan hub bracket holes, to Go to Step 4.
ensure proper contact for washer and bolts. See Figure 1 to identify areas
that must be free of paint.
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IK0900123 - Fan hub bracket bolts loose or missing
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Figure 1: Fan Hub Bracket
Red identifies areas that need to be paint free.
Step Action
Replace damaged components and install oversize bolts and washers.
Decision
Go to Step 5.
4
Step Action
Decision
DIAGNOSTIC:
End of Repair
5
Torque bolts 95 to 105 ft lbs (129-142Nm) following the torque sequence in
Figure 2
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IK0900123 - Fan hub bracket bolts loose or missing
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Figure 2: Fan hub bracket torque sequence
Follow torque sequence 1 4
REPAIR STEP(s)
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
OTHER RESOURCES
Master Service Information Site
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Feedback Information
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Copyright © 2017 Navistar
, Inc.
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TSB/Document ID: IK0900123
Replacement Service Bulletin Number:
MFR Communication Date: 2017-10-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:COOLING SYSTEM
MFR Component System:
MFR Component Subsystem:
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