RecallRepo

2018 Thor Motor Coach Miramar Recalls

Recalls on record Updated July 2026

The 2018 Thor Motor Coach Miramar has 3 NHTSA recall campaigns affecting an estimated 112,392 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 4 complaints with NHTSA, most often about the power train. Last updated July 5, 2026.

Recall campaigns

VISIBILITY 18V812000 2018-11-16 1,485 affected
Defect

Thor Motor Coach (TMC) is recalling certain 2017-2019 Thor Challenger, Miramar, and Outlaw motorhomes. The motorized windshield roller shade at the driver's seating position may unroll without warning while driving.

Consequence

If the windshield roller shade unrolls while driving, it could block the driver's visibility, increasing the risk of a crash.

Remedy

TMC will notify owners, and dealers will install a fastener to ensure the motor will not allow the shade to roll down during while driving. The recall began January 10, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000165.

EQUIPMENT 17V758000 2017-11-22 110,400 affected
Defect

Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V758-5764.pdf. These extinguishers may become clogged,…

Consequence

In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

Remedy

Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018. Owners may contact Thor customer service at 1-877-500-1020, or Kidde customer service toll-free at 1-855-262-3540, or online at www.kidde.com and click on "Product…

EQUIPMENT 17V634000 2017-10-09 507 affected
Defect

Thor Motor Coach (TMC) is recalling certain 2017-2018 Challenger, Axis, Chateau, Four Winds, Hurricane, Miramar, Palazzo, Tuscany, Vegas, Venetian, and Windsport motorhomes. The cargo carrying capacity (CCC) label on these vehicles may indicate an incorrect water capacity for the water heater/fresh water tank. As…

Consequence

If the water capacity information is incorrect and it causes the vehicle to be over loaded, there would be an increased risk of a crash.

Remedy

TMC will notify owners and send them corrected labels, free of charge. The recall began on November 15, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000147.

Complaints by component

POWER TRAIN
1
POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS
1
UNKNOWN OR OTHER
1
VISIBILITY/WIPER
1
Total complaints4

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“See attached document for complaint.”

POWER TRAIN · reported 2024-07-01

“See attached document for complaint.”

POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS · reported 2024-07-01

“Every time I drive the rv and a change in temperature and humidity occurs the windshield and both side windows fog very bad, they will not defrost and you cannot see while driving down the road, you cannot see through the mirrors on either side because of this, it does not matter what road you are…”

VISIBILITY/WIPER · reported 2020-04-01

“Every time I drive the rv and a change in temperature and humidity occurs the windshield and both side windows fog very bad, they will not defrost and you cannot see while driving down the road, you cannot see through the mirrors on either side because of this, it does not matter what road you are…”

UNKNOWN OR OTHER · reported 2020-04-01

Defect investigations

Investigation PE24023 Opened 2024-08-14 · closed 2026-01-16

Trailer Hitch Receiver Structure May Crack and Separate

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation, PE24023, on August 14, 2024, to investigate allegations of Thor Motor Coach motorhome frame or trailer hitch structure cracking and separating. The hitch was manufactured by Lippert and installed by Thor as standard original equipment. ODI…

Investigation PE24023 Opened 2024-08-14 · closed 2026-01-16

Trailer Hitch Receiver Structure May Crack and Separate

The Office of Defects Investigation (ODI) opened this Preliminary Evaluation, PE24023, on August 14, 2024, to investigate allegations of Thor Motor Coach motorhome frame or trailer hitch structure cracking and separating. The hitch was manufactured by Lippert and installed by Thor as standard original equipment. ODI…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2018 Thor Motor Coach Miramar as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.