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Workhorse W18 Recalls & Complaints by Model Year

NHTSA lists 2 safety recalls and 3 owner complaints across 4 model years of the Workhorse W18 (2005–2008). The most-complained-about year is 2007.

2
safety recalls, all years
3
owner complaints, all years
2006
year with most recalls
2007
year with most complaints

Pick your Workhorse W18 model year

Model yearRecallsComplaints
2008 Workhorse W1810
2007 Workhorse W1812
2006 Workhorse W1821
2005 Workhorse W1810

What Workhorse W18 owners complain about

Across all model years, owners have filed 3 complaints with NHTSA. The 2007 model year has the most, with 2.

All Workhorse W18 recalls (2)

Every NHTSA safety campaign that lists a Workhorse W18, most recent first, with the model years each one covers.

  1. Shaft pitman (steering)

    NHTSA 08V442000 Reported 5,606 vehicles potentially affected WORKHORSE CUSTOM CHASSIS

    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 connection.

    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…

    Model years: 2006, 2007, 2008

  2. Engine and engine cooling

    NHTSA 06V225000 Reported 30,335 vehicles potentially affected WORKHORSE CUSTOM CHASSIS

    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 pump into the under hood…

    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.

    Model years: 2005, 2006

Other Workhorse models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.