SB 441

Service Bulletin No. 441
MODEL
TYPE
J4500
SECTION/GROUP
Field Change Program
DATE
12-Suspension
Dec. 22, 2016
SUBJECT
LEVEL SENSOR GUARD
CONDITIONS
Customer Complaint:
Motor Coach Industries ("MCI") has become aware that the potential may exist for the level sensor assembly
to contact the level sensor guard while the optional rear rise suspension feature is activated, resulting in
damage to the level sensor.
Cause:
Design and manufacturing tolerances result in interference.
Corrective Action:
As a result, MCI strongly urges owners of the MY2017J4500 coaches listed in this bulletin to implement the steps
in this procedure as soon as possible.
2MG3JM8AXHW067874
2MG3JM8A1HW067889
2MG3JM8A8HW067890
2MG3JM8AXHW067891
2MG3JM8A1HW067892
2MG3JM8A3HW067893
2MG3JM8A5HW067894
2MG3JM8A7HW067900
2MG3JM8A2HW067903
2MG3JM8A4HW067904
2MG3JMBA9HW067907
2MG3JM8A2HW067870
2MG3JMBA5HW067872
2MG3JM8A7HW067895
2MG3JM8A0HW067897
2MG3JM8A2HW067898
2MG3JM8A4HW067899
2MG3JM8A9HW067901
2MG3JM8A0HW067902
2MG3JMBA7HW067906
2MG3JMBA0HW067908
2MG3JMBA2HW067909
2MG3JMBA9HW067910
2MG3JMBA0HW067911
2MG3JMBA2HW067912
2MG3JMBA6HW067914
2MG3JMBA7HW067923
Parts
Qty.
New P/N
Description
1
12-03-1598
Guard, Level Sensor, Roadside
1
12-03-1599
Guard, Level Sensor, Curbside
Service Procedure:
Read this entire procedure before beginning work.
Use Safe Shop Practices At All Times.
Service Bulletin No. 441
Date Dec. 22, 2016
Page 2
1. Turn the main battery disconnect to the OFF position.
2. Chock both sides of the tires.
DO NOT place safety stands in any other location than shown in this procedure and Section 3F
in the MCI J4500 Maintenance Manual.
3. Position safety stands underneath the coach in only the specified locations shown in Section 3F in the
MCI J4500 Maintenance Manual ( as shown in Figure 1 ).
Figure 1. J4500 coach safety stands location.
Figure 1 Description
Item
S
Safety Stand ( Primary locations )
Service Bulletin No. 441
Date Dec. 22, 2016
Page 3
4. Standing rearward of the tag wheel, locate the level sensor guard shown in Figure 2.
Figure 2. Location of the level sensor guard.
5. Locate the mounting hardware securing the level sensor guard to the coach structure ( refer to Figure 3 ).
Remove and retain the four ( 4 ) capscrews, washers and lock washers, to be re-installed at a later step in
this procedure. Remove and discard the existing level sensor guard.
Figure 3. Mounting hardware.
Service Bulletin No. 441
Date Dec. 22, 2016
Page 4
6. Orient the new level sensor guard, p/n 12-03-1598 or 12-03-1599, to the existing mounting holes.
7. Using the existing hardware removed in Step 5, secure the level sensor guard to the structure. Torque to
8-10 ft-lbs. Apply torque seal over the face of the torqued capscrews ( refer to Figure 4 for completed
installation ).
Figure 4. Completed installation of the level sensor guard
8. Repeat Steps 5 to 7 on the opposite side of the coach.
Procedure Complete.
Service Bulletin No. 441
Date Dec. 22, 2016
Page 5
Mail or fax the completed limited warranty claim form and verification form to MCI’s warranty department, or photocopy and mail to:
MCI Fleet Support
Attn: Warranty Department
7001 Universal Coach Drive
Louisville, KY 40258
Fax Number 1-800-360-8886
to receive credit for the hours used to complete this task. Contact the MCI Fleet Support Technical Center at
1-800-241-2947 for any further information.
Field Change Program Conditions:
The parts required for this rework will be supplied without charge.
A labor allowance of 0.9 hours will be granted for this rework on affected J4500 coaches.
This labor allowance will be credited to your MCI Fleet Support Parts Account on receipt of the attached “MCI Field
Change Program Verification Form” and a “Warranty Claim Form” as detailed in your Owner Warranty manual to
MCI’s Warranty department. A “MCI Field Change Program Verification Form” needs to be submitted for each VIN
affected. Photocopy the attached “MCI Field Change Program Verification Form” as required for the number of
affected coaches in your fleet.
This program will end on July 14, 2017.
Motor Coach apologizes for any inconvenience resulting from this campaign, but urges you to implement this
change as soon as possible.
Sincerely,
Motor Coach Industries
MCI FIELD CHANGE PROGRAM (FCP) VERIFICATION
CONTACT INFORMATION
CUSTOMER NAME:
____________________________________________________
(PLEASE PRINT
FCP INFORMATION – ONE FORM PER UNIT
FCP#: _________
Coach Model ___________
COACH SERIAL #:
(At least the last 5 digits)
Model Year _____________
DATE COMPLETED __
/ __ /__
MILEAGE:
IMPORTANT: TO RECEIVE CREDIT FOR ANY ALLOWABLE LABOR CHARGES, THIS VERIFICATION FORM
MUST BE RETURNED TO MCI UPON COMPLETION OF THE FCP.
SUBMITTED BY: (Please Print)
________________________________________________________________
DATE
__ / __ /__
TITLE: (Please Print) ____________________________________________
SIGNATURE:
________________________________________________________________
COMMENTS:
F A X T O : 800-360-8886
MAILING ADDRESS:
MOTOR COACH INDUSTRIES
ATTN: WARRANTY DEPT.
7001 UNIVERSAL COACH DRIVE
LOUISVILLE, KY 40258
MCI part # 03-15-7738C