Recalls for 2004 Optima Ah-28

DEFECT #1 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

Posted on: 2005-09-16
Description
On certain transit vehicles and trolleys equipped with cummins isb-02 diesel engines built with emc controlled fuel lift pumps.  Erratic voltage supply to the fuel lift pump causes premature electric brush wear internal to the fuel lift pump.  This premature wear could result in fuel lift pump failure and in some cases may cause an engine stall condition.

Consequence
Should the engine stall, a vehicle crash could occur.

Corrective Action
Cummins, in conjunction with optima bus, will notify owners and repair the engines by emc recalibration and replacement of the fuel lift pump at no charge to the customer.  Owners may contact cummins assistance center at 1-800-diesels or optima bus at 1-316-779-7700.

Notes
Optima bus recall no.  Saf05009.customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236; (tty: 1-800-424-9153); or go to http://www.safercar.gov.

DEFECT #2 - ENGINE AND ENGINE COOLING

Posted on: 2005-03-24
Description
On certain transit buses equipped with webasto heaters, the burner tubes are made of material that does not meet specifications and could fail prematurely.  

Consequence
Should the burner tube fail, the coolant heater could overheat, possibly resulting in a fire.

Corrective Action
Webasto dealers will replace the suspected defective parts free of charge.  Owners may contact optima at 316-779-7700 or webasto at 810-593-6000.

Notes
Optima recall no.  Saf 05002.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.