2003 Pierce Kenworth Recall: ON CERTAIN FIRE APPARATUS EQUIPPED WITH KENWORTH CHASSIS, CATERPILLAR C7…
NHTSA campaign 03V524000 · Engine and Engine Cooling · filed Dec 15, 2003 · verified Jul 30, 2026
The defect
ON CERTAIN FIRE APPARATUS EQUIPPED WITH KENWORTH CHASSIS, CATERPILLAR C7 OR 3126E AND 2002 ENGINES, AND HORTON FAN HUBS. THE FAN HUB MOUNTING BOLTS CAN FAIL RESULTING IN THE HUB AND FAN ASSEMBLY SEPARATING FROM THE ENGINE. THE LOSS OF CLAMP LOAD CAUSES UNWANTED VIBRATION IN THE ASSEMBLY THAT LEADS TO BOLT FAILURE.
The risk
IF THE BOLTS FAIL, THE COMPLETE HUB AND FAN ASSEMBLY COULD SEPARATE FROM THE ENGINE RESULTING IN EQUIPMENT DAMAGE AND/OR PERSONAL INJURY.
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 ADD A RIGID SPACER ACROSS THE TWO LOWER MOUNTING HOLES OF THE FAN HUB TO MAINTAIN THE CLAMPING FORCE AND REPLACE ALL THE BOLTS AND WASHERS. OWNER NOTIFICATION BEGIN IN LATE DECEMBER 2003. OWNERS SHOULD CONTACT PIERCE AT 1-888-974-3723.
CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Affected vehicles
Related recalls
Other campaigns involving Pierce vehicles
- 2015–2026 Pierce Arrow XT and 3 other models — Firm-on-ground system light may remain illuminated after…
- 2025 Pierce Arrow XT and 4 other models — Steering linkage arm bolt may come loose, resulting in the…
- 2023–2024 Pierce Enforcer and 2 other models — Tires mounted on the front steer axles are incompatible…
Source: NHTSA recall database, campaign 03V524000. Data last verified Jul 30, 2026.