The 2006 Workhorse W18 has 2 NHTSA recall campaigns affecting an estimated 35,941 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the service brakes, hydraulic. Last updated July 5, 2026.
Recall campaigns
STEERING08V4420002008-08-285,606 affected
Defect
WORKHORSE IS RECALLING 5,606 MY 2006-2008 W42 COMMERCIAL CHASSIS AND W18 RECREATIONAL VEHICLE CHASSIS. THE CASTLE NUT THAT RETAINS THE STEERING DRAG LINK TO THE PITMAN ARM MAY HAVE BEEN IMPROPERLY TORQUED DURING ASSEMBLY. THE IMPROPER TORQUE MAY HAVE DAMAGED THE CASTLE NUT AND COMPROMISED THE INTEGRITY OF THE…
Consequence
IF THE DRAG LINK WERE TO SEPARATE FROM THE PITMAN ARM, THE DRIVER WOULD NOT HAVE DIRECTIONAL CONTROL OF THE VEHICLE POSSIBLY CAUSING A CRASH.
Remedy
DEALERS WILL REPLACE AND PROPERLY TIGHTEN THE CASTLE NUT THAT RETAINS THE STEERING DRAG LINK TO THE PITMAN ARM. THE RECALL BEGAN ON SEPTEMBER 19, 2008. OWNERS MAY CONTACT WORKHORSE AT 1-877-946-7731 OR AT HTTP://WWW.NAVISTAR.COM.
ENGINE AND ENGINE COOLING06V2250002006-06-2030,335 affected
Defect
ON CERTAIN MOTOR HOME AND TRUCK CHASSIS EQUIPPED WITH GENERAL MOTORS 8.1L V8 ENGINES, IMPROPER HARDENING DURING THE HEAT TREATMENT PROCESS CAN CAUSE THE FUEL RAIL PULSE DAMPER RETAINER CLIP TO FRACTURE, RESULTING IN INADEQUATE RETENTION OF THE DAMPER. IF THE DAMPER BECOMES LOOSE, FUEL COULD BE PUMPED BY THE FUEL…
Consequence
IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD RESULT.
Remedy
DEALERS WILL REPLACE THE FUEL RAIL PULSE DAMPER RETAINER CLIPS ON THESE ENGINES FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 1, 2006. OWNERS MAY CONTACT WORKHORSE AT 877-294-6773.
Complaints by component
SERVICE BRAKES, HYDRAULIC
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“We have a 2006 fleetwood fiesta on a workhorse w18 chassis. We bought this vehicle new and have approximately 9000 miles on it. We had our chassis in for maintenance in june 2008 including rotating the tires with 8380 miles on it at that time and requested that they check the right front brake as…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2006 Workhorse W18 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.