IK0900071 Service Bulletin/Repair Instructions

IK0900071 - MaxxForce 11 & 13 Horton Stratis Fan Hub Wiring Harness Re-Route Proc... Page 1 of 2
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IK0900071

3
Major System: COOLING
Created:
7/30/2012
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12/11/2012
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Thomas

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Title: MaxxForce 11 & 13 Horton Stratis Fan Hub Wiring Harness Re-Route

Procedure

Applies To: All models

DESCRIPTION

Wiring on the Horton Stratis Fan Hub has shown to be rubbing, causing DTC codes. Rerouting of the wiring harness before a failure will prevent future failures, re-routing after a

failure will prevent multiple failures.
SYMPTOMS


Low Power, Irratic Fan Engagement, No Fan Engagment , Vref 4 DTC
THE ASSEMBLY PLANTS REMOVED THE LOWER CLIP IN PRODUCTION ON THE

FOLLOWING DATES AND SHOULD NOT REQUIRE MODIFICATIONS






SAP 3/30/12

GAP 4/04/12

EAP 4/01/12
RESOLUTION

Inspect the wiring harness; if wires are exposed, repair the fan hub harness and install

sheathing (do NOT replace the fan hub), re-route the harness as indicated in the pictures

below. If the outside sheathing is rubbed through but not to the wires, insulate the harness

sheathing and re-route the harness, replacement of the fan hub is not necessary. Re-route the
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/3/2013
IK0900071 - MaxxForce 11 & 13 Horton Stratis Fan Hub Wiring Harness Re-Route Proc... Page 2 of 2
harness to eliminate future failures on any replaced fan hubs.

ISSUE AND CORRECTION PICTURES

/service_kb/DocTool/Documents/Published/IK0900071/Files/Stratis Wiring Harness Issue.pdf
/service_kb/DocTool/Documents/Published/IK0900071/Files/Stratis Wiring Harness Containment.pdf

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Copyright © 2013 Navistar, Inc.
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 1/3/2013

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