1989 Neoplan Transit Bus Recalls

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NHTSA Campaign Number: 92V029000
Manufacturer: NEOPLAN USA CORPORATION
Manufactured Begin Date: January 1st, 1986
Manufactured End Date: January 1st, 1991
Date of Owner Notification: February 14th, 1992

Defect Summary:
STRAY VOLTAGE INDUCED ON THE POWER TAKEOFF (PTO) SIGNAL CIRCUIT 510 MAY OCCUR WHEN THE ELECTRONIC CONTROL MODULE (ECM) CONNECTOR GETS WET, CAUSING UNINTENDED ENGINE ACCELERATION.

Consequence Summary:
UNINTENDED ENGINE ACCELERATION WHILE THE BUS IS IN GEARMAY RESULT IN A LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

Corrective Summary:
INSTALL A GROUND INTERLOCK TO GROUND CIRCUIT 510 IN THE DDEC SYSTEM ANYTIME THE PTO IS DISABLED FOR ANY REASON. THE GROUND ELIMINATES THE STRAY VOLTAGE EFFECT BETWEEN THE ECM CONNECTOR AND CIRCUIT 510.

Recall Notes:
SYSTEM: ELECTRICAL SYSTEM.VEHICLE DESCRIPTION: TRANSIT BUSES AND INTER-CITY COACHES EQUIPPED WITH DETROITDIESEL EC-1 AND EC-II CONTROLLED 6V-92TA, 8V-92TA, AND SERIES 60 ENGINES.

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NHTSA Campaign Number: 89V205000
Manufacturer: NEOPLAN USA CORPORATION
Manufactured Begin Date: April 1st, 1986
Manufactured End Date: June 1st, 1989
Date of Owner Notification: November 22nd, 1989

Defect Summary:
CERTAIN BOLTS SUCH AS THE DRIVE SHAFT BOLTS, STEERING MOUNTING BOLTS, MOTOR MOUNT BOLTS, AND THE WHEEL CHAIR SUPPORT BOLTS MAY NOT MEET SAE SPECIFICATIONS.

Consequence Summary:
BOLTS COULD BREAK OR FAIL AFFECTING THE SPECIFIC COMPONENT INVOLVED, RESULTING IN A POTENTIAL AN ACCIDENT AND/OR PERSONAL INJURY.

Corrective Summary:
REPLACE NON-SPECIFICATION BOLTS WITH BOLTS THAT MEET SAE SPECIFICATIONS.

Recall Notes:
SYSTEM: NON-STANDARD BOLTS.VEHICLE DESCRIPTION: TRANSIT BUSES.