2020 THOR MOTOR COACH FOUR WINDS
9 recalls — 2 complaints — 7 TSBs
20V711000 Nov 17, 2020
ELECTRICAL SYSTEM
Defect Description
Thor Motor Coach (TMC) is recalling certain 2020-2021 Daybreak, Four Winds, Chateau, Freedom Elite, Quantum motorhomes built on a Chevrolet chassis. The BIM (Battery Isolation Manager)/BIR (Battery Isolation Relay) is not watertight when exposed to engine compartment heat.
Consequence
Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.
Remedy
TMC will notify owners, and dealers will replace the BIM/BIR with a Trombetta solenoid, free of charge. The recall began January 13, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000206.
20V458000 Aug 5, 2020
SEAT BELTS
Defect Description
Thor Motor Coach (TMC) is recalling certain 2020-2021 Daybreak 23DB, 2018-2021 Four Winds 23U, and 2018-2021 Chateau 23U motorhomes. Bolts of the wrong size were used to secure the barrel chair pedestals, allowing the pedestal to separate from the floor in the event of a crash. As such, these moto... Read more
Consequence
If the pedestal were to separate from the floor during a crash, the seat belt anchorages may fail, increasing the risk of injury.
Remedy
TMC will notify owners, and dealers will inspect the pedestal bolt size, correcting the hardware as necessary, free of charge. This recall began September 14, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000202.
20V444000 Jul 29, 2020
ELECTRICAL SYSTEM:WIRING
Defect Description
Thor Motor Coach (Thor) is recalling certain 2020-2021 Daybreak, Four Winds, Quantum, Delano, Tiburon, Chateau and Freedom Elite motorhomes and 2020 Gemini, Chateau Citation, Compass, Siesta, and Synergy motorhomes built on Sprinter Van chassis (platform 970 (VS30), equipped with swivel seats. The ... Read more
Consequence
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 risk of injury to vehicle occupants.
Remedy
Thor will notify owners, and Mercedes-Benz dealers will inspect the wire harness routing for both front seats and will repair the wiring and add clips or cable ties as needed, free of charge. This recall began August 13, 2020. Owners may contact Thor customer service at 1-877-855-2867 Mercedes-Ben... Read more
20V312000 May 28, 2020
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Defect Description
Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes Benz Sprinter chassis [platform 907 (VS30)]. The rear part of the fender liner on the front ax... Read more
Consequence
If the brake fluid leaks, this may extend the braking distance, increasing the risk of a crash.
Remedy
TMC will notify owners, and an authorized Mercedes-Benz dealer will inspect the brake hoses for chafing and replacement if necessary. The fender liner will also be altered to permit more clearance. All repairs will be performed free of charge. This recall began June 25, 2020. Owners may contact ... Read more
20V303000 May 27, 2020
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
Defect Description
Thor Motor Coach (TMC) is recalling certain 2020-2021 Quantum, Chateau and Four Winds, and 2020 Vegas and Axis motorhomes built on a Ford E-series chassis. A wire harness in the rear of the vehicle may contact the vehicle frame, resulting in damage to the circuits that support the fuel pump and the... Read more
Consequence
Damage to the fuel pump circuit in the wiring harness could result in an unexpected engine stall. Damage to the ABS wiring can lead to reduction of ABS functionality and a loss of roll stability control (RSC) functionality. These scenarios increase the risk of a crash.
Remedy
TMC will notify owners, and Ford dealers will inspect the wire harness for damage. If no damage is found, dealers will apply anti-abrasion tape over the area and ensure clearance to surrounding components. If damage is found, dealers will splice in new wire and apply anti-abrasion tape over the ar... Read more
20V308000 May 27, 2020
POWER TRAIN:AUTOMATIC TRANSMISSION
Defect Description
Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes-Benz Sprinter chassis [platform 907 (VS30)] equipped with automatic transmissions. The owner's... Read more
Consequence
If a customer were to rely on the Auto-P function as described in the Operator's Manual, the possibility of a vehicle rollaway or unintended vehicle movement cannot be ruled out which could increase the risk of a crash.
Remedy
TMC will notify owners, and a Mercedes Benz dealer will supplement the Operator's Manual with a correct description of the Auto-P function equipped in the vehicle. This recall began June 25, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000190.
20V178000 Mar 25, 2020
POWER TRAIN:DRIVELINE:DRIVESHAFT
Defect Description
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... Read more
Consequence
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.
Remedy
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 1-8... Read more
19V775000 Oct 28, 2019
SEAT BELTS:FRONT:WARNING LIGHT/DEVICES
Defect Description
Thor Motor Coach (TMC) is recalling certain 2019-2020 Chateau 22B, 22E, 23U, 24F, 25V, and 28A, Daybreak 22GO, Four Winds 22B, 22E, 24F, 26B and 28A, Freedom Elite 22HE and 2020 Quantum GR22, and SE22 motorhomes. The seatbelt-unfastened warning light will not illuminate for approximately five secon... Read more
Consequence
Without the seatbelt warning reminder, the driver may forget to fasten the seatbelt, increasing the risk of injury in the event of a crash.
Remedy
GM will notify TMC owners, and dealers will reprogram the instrument panel cluster, free of charge. The recall began October 3, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, GMC customer service at 1-800-462-8782 or TMC customer service at 1-877-855-2867. TMC's number for... Read more
19V609000 Aug 20, 2019
ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
Defect Description
Thor Motor Coach (TMC) is recalling certain 2020 Chateau, Daybreak, Four Winds, Freedom Elite, Majestic, Outlaw and Quantum motorhomes. The battery cables may loosen on the battery isolation manager (BIM) or battery isolation relay (BIR), causing premature BIN/BIR failure or electrical arcing.
Consequence
The loose connection can causing arcing, increasing the risk of a fire.
Remedy
TMC will notify owners, and dealers will install lock washers to properly secure the battery cable to the BIM/BIR. If the cable was loose, dealers will also replace the BIM/BIR, free of charge. The recall began October 10, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's nu... Read more
Complaint Statistics
2 total complaints
Top Reported Components
| Component | Complaints |
|---|---|
| STRUCTURE:BODY | 1 |
| EQUIPMENT:RECREATIONAL VEHICLE/TRAILER | 1 |
STRUCTURE:BODY
Feb 1, 2021
Incident date: May 1, 2020
TL* THE CONTACT OWNS A 2020 THOR MOTOR COACH FOUR WINDS. THE CONTACT STATED THAT WHILE DRIVING ON A WINDY DAY AT VARIOUS SPEEDS, THE DRIVER'S SIDE SLIDE-OUT EXTENDED WITHOUT WARNING. THE CONTACT PULLED OVER TO RE-INSERT THE SLIDE-OUT. THE VEHICLE WAS TAKEN TO LA MESA RV CENTER MESA (1740 S MESA DR, ... Read more
EQUIPMENT:RECREATIONAL VEHICLE/TRAILER
Feb 1, 2021
Incident date: May 1, 2020
TL* THE CONTACT OWNS A 2020 THOR MOTOR COACH FOUR WINDS. THE CONTACT STATED THAT WHILE DRIVING ON A WINDY DAY AT VARIOUS SPEEDS, THE DRIVER'S SIDE SLIDE-OUT EXTENDED WITHOUT WARNING. THE CONTACT PULLED OVER TO RE-INSERT THE SLIDE-OUT. THE VEHICLE WAS TAKEN TO LA MESA RV CENTER MESA (1740 S MESA DR, ... Read more
Technical Service Bulletins — 2020 THOR MOTOR COACH FOUR WINDS
7 manufacturer communications from 7 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 010000 STEERING | 2 |
| 110000 ELECTRICAL SYSTEM | 2 |
| 030000 BRAKES (PWS) | 2 |
| 980000 UNKNOWN OR OTHER | 1 |
RC000220SADealer
Jun 9, 2021
030000 BRAKES (PWS)
MBAG has determined that on certain model year 2019-2020 Sprinter vehicles, the retaining washer on the bolt that connects the brake pedal to its bearing block could come loose. If the retaining washer were to come loose, over time it cou
RC000220SAOwner
Jun 9, 2021
030000 BRAKES (PWS)
MBAG has determined that on certain model year 2019-2020 Sprinter vehicles, the retaining washer on the bolt that connects the brake pedal to its bearing block could come loose. If the retaining washer were to come loose, over time it cou
RC000218SADealer
Mar 25, 2021
110000 ELECTRICAL SYSTEM
us. On certain model year 2012a?? 2018 5-ton Sprinter vehicles that were upfitted into campers or recreational vehicles (a??RVsa??), one or more of the rear-wheel speed sensors may experience an electrical failure, which potentially coul
RC000218SAOwner
Mar 25, 2021
110000 ELECTRICAL SYSTEM
On certain model year 2012a?? 2018 5-ton Sprinter vehicles that were upfitted into campers or recreational vehicles (a??RVsa??), one or more of the rear-wheel speed sensors may experience an electrical failure, which potentially could lea
RC000210SADealer
Jan 18, 2021
010000 STEERING
It has been determined that on certain Mercedes-Benz Sprinter vehicles, the hydraulic power steering return line hoses might detach at their connection points under certain operating conditions, which could cause hydraulic fluid to leak,
RC000210SAOwner
Jan 18, 2021
010000 STEERING
Model/Model Year to Add: 2017 Chateau 2017-2018 Chateau Citation 2017 Four Winds 2017-2019 Gemini 2017-2019 Quantum 2017-2019 Four Winds Siesta 2017-2019 Synergy 2018 Compass 2018 Freedom Elite 2021 Sanctuary 2021Tranquility PLEASE NOTE- Du
No comms 2021-11
Dec 3, 2021
980000 UNKNOWN OR OTHER
There are no Manufacturer Communications in accordance with 49 CFR 579.5 to report for November 2021 for Thor Motor Coach.
THOR MOTOR COACH FOUR WINDS — All Years Overview
Complete safety history for the THOR MOTOR COACH FOUR WINDS across all model years (2003–2026).
65
Total Recalls
37
Total Complaints
0
Investigations
1
Reported Crashes
0
Reported Fires
0
Reported Deaths
THOR MOTOR COACH FOUR WINDS — Year by Year
Compare recalls and complaints across model years. Click any year to see full details.
| Year | Recalls | Complaints | |
|---|---|---|---|
| 2026 | 2 | 4 | View |
| 2025 | 2 | 0 | View |
| 2024 | 1 | 0 | View |
| 2023 | 2 | 3 | View |
| 2022 | 2 | 3 | View |
| 2021 | 9 | 4 | View |
| 2020 (current) | 9 | 2 | |
| 2019 | 5 | 4 | View |
| 2018 | 6 | 6 | View |
| 2017 | 6 | 1 | View |
| 2016 | 4 | 2 | View |
| 2015 | 1 | 5 | View |
| 2014 | 1 | 1 | View |
| 2013 | 1 | 0 | View |
| 2012 | 3 | 1 | View |
| 2011 | 2 | 1 | View |
| 2010 | 2 | 0 | View |
| 2009 | 1 | 0 | View |
| 2008 | 1 | 0 | View |
| 2007 | 1 | 0 | View |
| 2006 | 1 | 0 | View |
| 2005 | 1 | 0 | View |
| 2004 | 1 | 0 | View |
| 2003 | 1 | 0 | View |