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2021 Thor Motor Coach QuantumProblems, recalls & complaints

NHTSA has logged 0 owner complaints about the 2021 Thor Motor Coach Quantum. It is covered by 4 safety recalls, and for recall 20V-711 the manufacturer reports only 59% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls4Lowest repair rate 59%Owner complaints00 with a crash, fire or injuryTop problem0—

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 17, 2020. Updated daily.

Complaints by system

Where the 2021 Thor Motor Coach Quantum has problems

0 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

4 recalls

2021 Thor Motor Coach Quantum recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

59%repaired · 2022 Q4

Electrical system

Recall 20V-711 · Nov 17, 2020 · 1,074 vehicles · 639 repaired

Risk. Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.

Problem, fix and repair progress →

–no report yet

Air bags

Recall 20V-444 · Jul 29, 2020 · 463 vehicles

Risk. If the wiring harness is damaged, the side air bag within the seat may deploy inadvertently or not deploy as designed in the event of a crash, increasing the…

Problem, fix and repair progress →

79%repaired · 2022 Q2

12v/24v/48v battery: cables

Recall 20V-419 · Jul 20, 2020 · 63 vehicles · 50 repaired

Risk. Battery cable contact with the exhaust manifold and heat shield can increase the risk of a fire.

Problem, fix and repair progress →

–no report yet

Electrical system: wiring

Recall 20V-303 · May 27, 2020 · 34 vehicles

Risk. Damage to the fuel pump circuit in the wiring harness could result in an unexpected engine stall.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Thor Motor Coach.

Best & worst years

2021 vs. every other Quantum year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Quantum median. How we score

'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated

Own a 2021 Quantum?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.