NHTSA ID Number: 10044079
Manufacturer Communication Number: 0800330
TSB/Document Date: 2012-05-09
Summary
NAVISTAR
: PC AND RE BUS SERIES - REVISED HORN CONTACT ASSEMBLY. REPLACE THE PIN-STYLE ELECTRIC HORN CONTACT ASSEMBLY WITH THE IMPROVED ROLLER-WHEEL HORN CONTACT DESIGN. THIS APPLIES TO MODELS PC02500, PC04500, RE30030, AND PC05500 MODEL YEARS ARE UNKNOWN. *JS
IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Page 1 of 8
SB-10044079-1476
Countries:
UNITED STATES,
MEXICO
Document
ID:
IK0800330
Availability:
ISIS, Bus ISIS
Revision:
2
Major System:
ELECTRICAL
SYSTEM
Created :
4/24/2012
Current
Language:
English
Last
Modified:
4/30/2012
Other
Languages:
Español,
Author:
Dan
Algarin
Viewed:
72
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Title: PC and RE Bus Series - Revised horn contact assembly
Applies To: PC02500, PC04500, RE30030, PC05500
Part #
Description
Qty.
3902444C91
CONTACT,HORN CABLE
1
3902490C91
384725C1
RING,HORN CONTACT ASM (PC05500 models only)
STEERING WHEEL NUT
1
1
RESOLUTION
Replace the pin-style electric horn contact assembly with the improved roller-wheel horn contact
design.
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4/30/2012
IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Pin-Style Horn Contact
Page 2 of 8
Improved Roller-wheel design Horn Contact
INSTALLATION STEPS
Begin by disconnecting the vehicle battery and ensuring that
steering wheel is in the "straight ahead" position
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4/30/2012
IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Page 3 of 8
Carefully remove the electric horn push pad
Disconnect electric horn push-pad wire connector
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4/30/2012
IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Page 4 of 8
Remove circlip from steering column shaft
Loosen and remove steering wheel nut and discard the nut
CAUTION: DO NOT RE-USE THE NUT.
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4/30/2012
IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Page 5 of 8
Using an appropriate steering wheel puller, remove the steering
wheel.
With the steering wheel out of the way, loosen and remove the
steering column cowl screws (4) and remove the lower section of
the cowl.
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IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Page 6 of 8
Loosen the electrical harness clamp and disconnect the horn
contact electrical connector.
Loosen and remove the electric horn contact assembly screws
(2).
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4/30/2012
IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Page 7 of 8
Carefully remove the contact assembly.
Install the new horn contact assembly and ensure that the
electrical cable and connector portions are carefully routed and
secured to electrical harness.
Re-install all removed components.
Install new steering wheel nut and apply a torque of 50 to 60 ft
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IK0800330 - PC and RE Bus Series - Revised horn contact assembly
Page 8 of 8
Lbs..
Test horn before returning vehicle back to the customer.
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Copyright © 2012 Navistar, Inc.
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4/30/2012
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TSB/Document ID: 0800330
Replacement Service Bulletin Number:
MFR Communication Date: 2012-04-30
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:HORN
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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