2002–2005 Optima Opus 29, 2002–2005 Optima Opus 34 Recall: ON CERTAIN TRANSIT BUSES, THERE IS A POSSIBILITY THAT THE HYDRAULIC LINE…
NHTSA campaign 05V358000 · Engine and Engine Cooling · filed Aug 15, 2005 · verified Jul 30, 2026
The defect
ON CERTAIN TRANSIT BUSES, THERE IS A POSSIBILITY THAT THE HYDRAULIC LINE COMING FROM THE RADIATOR FAN MOTOR TO THE CAC MOTOR IS RUBBING ON THE CHASSIS.
The risk
THIS RUBBING MAY CAUSE THE HYDRAULIC LINE TO BE RUBBED THROUGH RESULTING IN A LEAK AND A LOSS OF HYDRAULIC FLUID. THIS FLUID COULD IGNITE IF IT COMES IN CONTACT WITH A HOT SOURCE.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DEALERS WILL INSTALL A P-CLAMP ON THE RADIATOR MOTOR SUPPORT BRACKET THAT HOLDS AND SECURES THE HOSE AWAY FROM THE CHASSIS ELIMINATING THE POSSIBILITY OF CHAFFING. THE RECALL BEGAN ON AUGUST 24, 2005. OWNERS MAY CONTACT OPTIMA AT 1-888-391-1777.
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.
Affected vehicles
Related recalls
More Optima Opus 29 recalls
- 2004–2005 Optima AH-28 and 2 other models — ON CERTAIN TRANSIT VEHICLES AND TROLLEYS EQUIPPED WITH…
- 2002–2005 Optima Opus 29 and 1 other model — ON CERTAIN TRANSIT BUSES WITH CUMMINS ISB02 ENGINES, THE…
- 1998–2003 Optima AH-28 and 3 other models — ON TROLLEYS AND TRANSIT COACHES EQUIPPED WITH CUMMINS ISB…
- 2004 Optima Opus 29 — ON CERTAIN BUSES EQUIPPED WITH SURE-LOK WHEELCHAIR…
Other campaigns involving Optima vehicles
Source: NHTSA recall database, campaign 05V358000 (manufacturer number SAF05008). Data last verified Jul 30, 2026.