D20M4
Service Bulletin/Repair Instructions
DDC Field service campaign for GHG17 Detroit DD13 engines requiring software reprogramming and new emission label replacement. This field service applies only to MCI (Motor Coach Industries) vehicles.
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
D20M4
DDC Field service campaign for GHG17 Detroit DD13 engines requiring software reprogramming and new emission label replacement. This field service applies only to MCI (Motor Coach Industries) vehicles.
SB-3066
MOTOR COACH INC: BULLETIN PERTAINING TO THE REVISED REPLACEMENT DIRECTIONAL/SIDE MARKER LIGHTS. TO ELIMINATE POTENTIAL CRACKS THAT RESULT IN WATER INTRUSION, REVISED LIGHTS FOAM BACKING WAS REMOVED BETWEEN MARKER LIGHT AND COACH BODY. *PE
SB-357
MOTOR COACH INDUDSTRIES: INFORMATION ON REPLACING THE COOLANT PUMP THAT MAY HAVE A PROBLEM. *RM
354
MOTOR COACH INDUSTRIES SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE MAY BE A HARSH DOWNSHIFT, RPM FLARE, OR THE TRANSMISSION MAY LOCK. *RM
SB-3043
MCI: TAG UNLOAD VALVE ASSEMBLY. EFFECTIVE WITH UNIT NUMBER 65614, MCI HAS MADE DESIGN CHANGES TO THE TAG UNLOAD VALVE ASSEMBLY INSTALLATION ON SOME MODEL COACHES. THE LONGER LIFE VALVES WILL IMPROVE THE DURABILITY OF THE TAG UNLOAD VALVE ASSEMBLY. MODELS E4500/J4500 SERIES. NO MODEL YEARS LISTED. *PE
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.