SB 470
Service Bulletin Details
Public Details for: SB 470
This service bulletin informs affected owners of model year 2018 j4500 model coaches that the potential exists for water intrusion into the stepwell, dash and driver area from the front marker lights due to current marker light gasket and t
- 2018 -
Models from 2018
2018 MCI J4500 |
Service Bulletin No. 470 Upper Marker Light Gasket Retrofit MODEL: TYPE: SECTION/GROUP: J Series Field Change Program 07-Electrical DATE: 06/10/2019 Customer Complaint: Motor Coach Industries ("MCI") has become aware that on MY2018-J4500 coaches, the potential exists for water intrusion into the coach in the stepwell, dash and driver area from the front marker lights. Cause: Current marker light gasket wasn’t avoiding water intrusion into the coach. Corrective Action: MCI urges owners of the affected coaches to have the following procedure performed as soon as possible. Read this entire procedure before beginning work. Use Safe Shop Practices At All Times. To avoid personal injury: a. Turn the main battery disconnect switch to the OFF position. b. Ensure that both the front and the rear wheels are chocked. c. Position the ENGINE RUN and ENGINE START switches on the engine compartment remote control box to the OFF position. d. Allow enough time for components to cool down prior to working in the engine compartment. Motor Coach Industries Ltd. Page 1 of 8 Service Bulletin No. 470 Upper Marker Light Gasket Retrofit 1.0 Material requirements: Service Kit T07-3611 contains the following parts: ITEM 1 2 3 4 2.0 PART NO. 07-07-1920 19-01-1635 19-03-0602 21-7212-18 QTY 14 28 28 1 U/M EA EA EA TUB DESCRIPTION GASKET – MARKER LIGHT SCREW – PANHEAD, 10-32x1.5, NUT-WELL,BRASS INSERT,#10-32 UNF ADHESIVE-LOCTITE, BLUE Removing the front marker lights, gaskets, and wellnuts Remove the 7 front marker lights from the front of the vehicle by removing and discarding the two 8-32 screws on each light. Marker Light 07-07-6108 Remove and discard the existing screws Disconnect the marker light. Do not let the Deutsch connector fall into the vehicle. Disconnect the lamp Do not let the connector fall into the vehicle. Motor Coach Industries Ltd. Page 2 of 8 Service Bulletin No. 470 Upper Marker Light Gasket Retrofit Peel off the existing gaskets, then push the existing wellnuts out of the holes. Discard old gaskets and wellnuts. Peel existing gasket off 3.0 Push both well-nuts out Gasket and Wellnuts Removed Installing the well-nuts Before installing well nuts, enlarge the mounting holes using 3/8 reamer. Mounting Holes Using warm water and soap, or a suitable adhesive remover, clean the marker light area completely. Clean this area completely Motor Coach Industries Ltd. Page 3 of 8 Service Bulletin No. 470 Upper Marker Light Gasket Retrofit Apply 2 drops of Loctite, 21-7212-18, to the well nuts, 19-03-0602, and insert them in the mounting holes. Firmly press the well nuts into position into the mounting holes and let the adhesive dry for 1 minute. Well nuts inserted in the mounting holes 4.0 Applying the new gasket Peel the protective backing off the 07-07-1920 gasket to expose the adhesive and apply the gasket to the fiberglass, using the screw-holes as a guide. Remove Protective Backing from Adhesive Gasket Applied Motor Coach Industries Ltd. Page 4 of 8 Service Bulletin No. 470 Upper Marker Light Gasket Retrofit 5.0 Install the marker lights Reconnect the Deutsch connector to each marker light. Apply Loctite, 21-7212-182, to the 19-01-1635 screws and fasten the marker light back to the coach. Do not exceed 5 Inch-Pounds torque. Fasten 19-01-1635 Screws to 5 Inch-Pounds 6.0 Updating the Rear Marker Lights Repeat sections 1 through 4 for rear marker lights. Marker Light 07-07-6107 Procedure complete Motor Coach Industries Ltd. Page 5 of 8 Service Bulletin No. 470 Upper Marker Light Gasket Retrofit 7.0 Field Change Program Conditions: The parts required for this change will be supplied without charge. A labor allowance of 1 hour will be granted for performing this procedure. 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 August 31, 2019. 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. Motor Coach Industries Ltd. Page 6 of 8 Service Bulletin No. 470 Upper Marker Light Gasket Retrofit 7.1 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) MILEAGE: Model Year DATE COMPLETED __ / __ /__ 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: FAX TO: 800-360-8886 Motor Coach Industries Ltd. Page 7 of 8 Service Bulletin No. 470 Upper Marker Light Gasket Retrofit 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. Motor Coach Industries Ltd. Page 8 of 8