Skip to content

NHTSA Campaign 20V178000

POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

NHTSA campaign 20V178000 covers 3 year-make-model versions listed here and concerns the power train: driveline: differential unit. The repair is free.

Thor Motor Coach filed the report for 20V178000 with NHTSA on March 25, 2020; the manufacturer initiated the recall.

For 20V178000, NHTSA lists up to 22 potentially affected vehicles.

Owner notification letters for 20V178000 were scheduled from March 19, 2020.

20V178000 covers 2 models from Thor Motor Coach, model years 2020–2021.

By potentially affected vehicles, 20V178000 ranks 80 of 82 Thor Motor Coach recalls on this site.

Besides 20V178000, Thor Motor Coach has 2 other recalls on the power train on this site; the one before 20V178000 was 20V148000, reported on March 17, 2020.

What this recall covers

The defect
Thor Motor Coach (TMC) is recalling certain 2020 Chateau 31W and 31WV, Quantum KW29 and LF31, Vegas 24.1 and Axis 24.1 motorhomes and 2020-2021 Four Winds 24F, 28Z, and 31E motorhomes built on a Ford chassis. The rear axle differential may have an insufficient amount of fluid, possibly resulting in a failure of the rear axle assembly and a driveshaft separation.
The risk
If the driveshaft separates, there may be a loss of drive, increasing the risk of crash. Additionally, if the parking brake is not applied, unintended vehicle movement can occur if the transmission is left in Park, increasing the risk of injury or crash.
The fix
Ford will notify owners, and Ford or Lincoln dealers will inspect the rear axle differential fluid level and adjust it, or replace the rear axle as necessary, free of charge. The recall is began May 22, 2020. Owners may contact Ford customer service at 1-866-436-7332 or TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000188.

Reported March 25, 2020

Vehicles covered by 20V178000 (3)

Being on this list means your year, make and model fall inside campaign 20V178000, not that your own vehicle does: a campaign covers a range of VINs. A VIN check on NHTSA's lookup shows whether it is.

Newest record on this page: March 25, 2020. Data: NHTSA recall and owner-complaint files. How these figures are counted