July 8, 2021 NHTSA CAMPAIGN NUMBER: 21V522000
Adhesive failure may cause the vent portion of the window to detach, increasing the risk of a crash or injury.
NHTSA Campaign Number: 21V522
Manufacturer Thor Motor Coach![]()
Components STRUCTURE, EQUIPMENT
Summary
Thor Motor Coach
(TMC) is recalling certain 2019-2021 Aria, Challenger
, Miramar, Outlaw, Palazzo, Tuscany, and Venetian recreational vehicles equipped with Hehr 6400 series windows. The adhesive that bonds the vented portion of the window may fail.
Remedy
Dealers will inspect the windows, and replace the vent if necessary, free of charge. Owner notification letters were mailed September 8, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC’s number for this recall is RC000232.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Issue:
Lippert
has conducted a thorough investigation and determined an issue which relates to motor vehicle safety may exist in certain vehicles equipped with a 6400 Series window vent produced by their Michigan facility which was formerly Hehr International
. There is the possibility of the vent portion of the involved windows built between 10/01/2018 and 08/13/2020 experiencing an issue with the window adhesive bonding. There is the Possibility of the window adhesive failing, which could allow the vent to detach and cause a crash.
Tools Required (For repair):
Cordless or electric drill/screw gun
3/16” Drill Bit
Pop Rivet Gun
Phillips Screw Bit
Ladder
Part(s) Required:
Window Vent(s) Replacement – as needed
(Please see attached list of 6400 Window Variants for specific window and vent part numbers.)
Instructions:
Use the following Lippert
recall instructions to perform inspection and replace the window vent(s) as needed.
| TMC Part Number | Product Name |
| 0269260 | WINDOW, 22″ X 59-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, EGRESS, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0269263 | WINDOW, 17-5/8″ X 27-7/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0270505 | WINDOW, 11-7/8″ X 20-7/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0270506 | WINDOW, 25-5/8″ X 26-5/8″, DUAL PANE, FRAMELESS, 017 GARNISH, TOP HINGE, EGRESS, 1 VENT, OBSCURE GLASS, CRANK WHEEL, BLACK |
| 0270508 | WINDOW, 23-7/8″ X 17-7/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, OBSCURE GLASS, CRANK WHEEL, BLACK |
| 0270509 | WINDOW, 20″ X 41-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, EGRESS, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0270510 | WINDOW, 22″ X 59-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0272144 | WINDOW, 11-7/8″ X 16-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273311 | WINDOW, 11-7/8″ X 27-7/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273316 | WINDOW, 22″ X 71-5/8″, DUAL PANE, FRAMELESS, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273317 | WINDOW, 31″ X 17-3/4″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273318 | WINDOW, 31″ X 17-3/4″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, OBSCURE GLASS, CRANK WHEEL, BLACK |
| 0273319 | WINDOW, 11-7/8″ X 39-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273320 | WINDOW, 17-5/8″ X 35-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273321 | WINDOW, 26″ X 41-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, EGRESS, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273323 | WINDOW, 20″ X 26-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, EGRESS, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0273325 | WINDOW, 20″ X 41-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0278367 | WINDOW, 45-5/8″ X 71-5/8″, DUAL PANE, FRAMELESS, MID HINGE, TRIPLE BOTTOM, DUAL VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0279588 | WINDOW, 36-1/2″ X 17-3/4″, DUAL PANE, FRAMELESS, MID HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0280777 | WINDOW, 20″ X 26-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0280818 | WINDOW, 21-5/8″ X 35-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, EGRESS, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0280820 | WINDOW, 21-5/8″ X 35-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0280845 | WINDOW, 25-5/8″ X 47-5/8″, DUAL PANE, FRAMELESS, MID HINGE, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0280847 | WINDOW, 39-5/8″ X 37″, DUAL PANE, FRAMELESS, MID HINGE, EGRESS, NO VENT, 017 GARNISH, BLACK |
| 0280851 | WINDOW, 30-5/8″ X 47-5/8″, DUAL PANE, FRAMELESS, MID HINGE, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0282881 | WINDOW, 22″ X 41-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, EGRESS, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0286578 | WINDOW, 27-5/8″ X 53-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, DOUBLE VENT, 017 GARNISH, SCISSOR, BLACK |
| 0287356 | WINDOW, 26″ X 59-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, DOUBLE VENT, 017 GARNISH, CRANK WINDOW, BLACK |
| 0288865 | WINDOW, 28-5/8″ x X 23-5/8″, FRAMELESS, DUAL PANE, CRANK WHEEL, BLACK, 017 GARNISH |
| 0304256 | WINDOW, 29-7/8″ X 64-5/8″, DUAL PANE, FRAMELESS, MID HINGE, 2 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0348960 | WINDOW, 27-5/8″ X 47-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, DOUBLE VENT, 017 GARNISH, CRANK WINDOW, BLACK |
| 0352850 | WINDOW, 20″ X 29-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, EGRESS, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0356666 | WINDOW, 22-5/8″ X 27-7/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0370366 | WINDOW, 25-5/8″ X 22-3/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0374945 | WINDOW, 25-5/8″ X 26-5/8″, DUAL PANE, FRAMELESS, 017 GARNISH, TOP HINGE, EGRESS, NO VENT, OBSCURE GLASS, BLACK |
| 0416995 | WINDOW, 23-7/8″ X 17-7/8″, DUAL PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0417111 | WINDOW, 23-7/8″ X 17-7/8″, SINGLE PANE, FRAMELESS, TOP HINGE, 1 VENT, 017 GARNISH, CRANK WHEEL, BLACK |
| 0443856 | WINDOW, 22″ X 83-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, VENT-STAT-VENT, 017 GARNISH, CRANK WINDOW, BLACK |
| 0341432 | WINDOW, 25-5/8″ X 26-5/8″, DUAL PANE, FRAMELESS, 017 GARNISH, TOP HINGE, 1 VENT, OBSCURE GLASS, CRANK WHEEL, BLACK |
| 0366374 | WINDOW, 25-5/8″ X 47-5/8″, DUAL PANE, FRAMELESS, TOP HINGE, DOUBLE VENT, 017 GARNISH, CRANK WINDOW, BLACK |
| 0416625 | WINDOW, 39-5/8″ X 37″, DUAL PANE, FRAMELESS, MID HINGE, EGRESS, 017 GARNISH, BLACK |
Lippert
’s Chronology:
4/7/2020-Lippert
contacted by Thor Industries Compliance regarding a VOQ and inquiry he received.
9/11/2020-After discussions & review of info with Thor Industries it was agreed the minimal quantity of issues did not present a safety issue. Both parties agreed to continue to monitor any reported issue and warranty data.
July,2020-March,2021-During this time we conducted continued review of data and any concerns as well as standard continual improvement process discussions with our Engineering and Manufacturing teams.
12/1/2020-Conference call between Byron Chartier, Robert Nguyen & Jonathan Harrison. During this call reviewed internal testing on returned field samples & reviewed sample window that was sent to Jon Harrison for review. Also discussed continued investigation of field & warranty returns. Committed that during the ongoing investigation Lippert
would take care of any field concerns customers had regardless of warranty period potentially having expired.
3/3/2021-Conference Call with Marc Grimes, Chartier, Harrison & Nguyen. This call was primarily to review unrelated matters however during this call Lippert
mentioned our own investigation was continuing on Hehr windows with field product requested to be returned for further analysis. 3/26/21-Newmar
informed Lippert
they received a VOQ of an incident occurring while the vehicle was in motion & stated they would forward the information.
4/16/21-Conference call with Chartier, VanderMel, Harrison & Nguyen regarding the data Newmar
had submitted of claims regarding alleged window vent issues. 4/30/21-Lippert
Exec Safety Committee Meeting to review all details provided
5/3/21-Conference call with Chartier, VanderMel, Harrison and Nguyen to discuss next steps. After reviewing most recent VOQ and data trend with issues on late 2018 built product Lippert
will be finalizing details of scope and customer orders involved to file a formal 573 & field campaign.
5/12/21: Internal Lippert
parties agree.
21E047 Hehr 6400 Series Windows Adhesive Failure
http://oemdtc.com/6277/21e047-hehr-6400-series-windows-adhesive-failure
SEOCONTENT-START
Recall #
21V-522
2021-499
Description/Title:
Hehr 6400 Series Windows
Affected Product Line(s):
Certain model year
2019 Challenger
, Palazzo, and Tuscany
2019-2020 Miramar
2019-2021 Aria, Outlaw, and Venetian
motorhomes
Service Campaign # :
RC000232
Released Date:
9/1/2021
Codes:
Inspect Only:
TMCRC10102Y
Inspect with Repair:
TMCRC10102V
Document Date:
9/1/2021
Time Allowed:
Inspect Only:
0.4 per unit
Inspect with Repair:
0.9
(Includes inspect and one vent replacement)
(+ 0.5 for each additional vent)
Document Revision:
A
***********************************************************************************************
IMPORTANT SAFETY RECALL
This notice applies to your vehicle: «VIN»
«Owner_name»
«Street»
«City», «State» «Zip»
Dear «Owner_name»:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Thor Motor Coach![]()
(TMC) has decided that a defect which relates to motor vehicle safety exists in certain model year: 2019 Challenger
, Palazzo, and
Tuscany; 2019-2020 Miramar; & 2019-2021 Aria, Outlaw, and Venetian motorhomes. As a result, TMC is conducting a safety recall.
We apologize for any inconvenience this action may cause you; however your safety and continued satisfaction are of the utmost
importance to us.
Lippert
has conducted a thorough investigation and determined an issue which relates to motor vehicle safety
may exist in certain vehicles equipped with a 6400 Series window vent produced by their Michigan facility
which was formerly Hehr International
. There is the possibility of the vent portion of the involved windows
built between 10/01/2018 and 08/13/2020 experiencing an issue with the window adhesive bonding. There
is the possibility of the window adhesive failing, which could allow the vent to detach and cause a crash.
Lippert
will supply a gauge to be used while conducting inspections of the vent portion of the 6400 series
windows (which you will receive in the mail a few days after this letter). If after the inspection it is
determined that the windows are not experiencing an adhesive failure, please be sure to contact Thor
Motor Coach at [email protected] to ensure we update your records.
If the original vent(s) is found to have an adhesive bond issue, TMC will assist in providing a replacement
vent(s) to your dealer and instructions on how to properly replace. The parts for the remedy are currently
available. The service required should take at least ½ hour to perform and will vary based on number of
vent replacements. This will be done at no cost to you, the owner.
To locate the nearest authorized TMC service center if replacement is needed, please visit
https://www.thormotorcoach.com/locate-a-service-center/. If you have questions concerning this recall or
if you need any assistance, please contact the TMC Warranty/Service Department by mail at TMC, P.O.
Box 1486, Elkhart, IN 46515-1486, by phone at 877-855-2867, or by email at [email protected].
If you had appropriate repairs completed prior to receipt of this recall notice, and if you incurred any direct
cost in connection with obtaining such repair, you may be eligible to receive reimbursement from TMC by
contacting the TMC Warranty/Service Department.
If after contacting TMC Customer Service you are still not satisfied we have done our best to remedy this situation, you may also submit
a written complaint to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington,
DC 20590. You may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153; or go to
https://www.safercar.gov.) Federal regulations require that any vehicle lessor receiving this recall notice must forward a copy of this
notice to the lessee within ten days.
Thank you for your attention and cooperation in this matter.
Sincerely,
Thor Motor Coach![]()
cc: National Highway Traffic Safety Administration (NHTSA)
What we need
you to do
RECREATIONAL VEHICLE
SAFETY RECALL NOTICE
Safety Recall: 21V-522
Safety Advisory: RC000232
September 2021
What we
will do
Reason for
this recall
***********************************************************************************************
IMPORTANT SAFETY RECALL
This notice applies to your vehicle: «VIN»
«Owner_name»
«Street»
«City», «State» «Zip»
Dear «Owner_name»:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Thor Motor Coach![]()
(TMC) has decided that a defect which relates to motor vehicle safety exists in certain motorhomes. As a result, TMC is conducting a
safety recall. We apologize for any inconvenience this action may cause you; however your safety and continued satisfaction are of the
utmost importance to us.
Lippert
has conducted a thorough investigation and determined an issue which relates to motor vehicle safety
may exist in certain vehicles equipped with a 6400 Series window vent produced by their Michigan facility
which was formerly Hehr International
. There is the possibility of the vent portion of the involved windows
built between 10/01/2018 and 08/13/2020 experiencing an issue with the window adhesive bonding. There
is the Possibility of the window adhesive failing, which could allow the vent to detach and cause a crash.
Your motorhome recently received a replacement window that falls within the affected window scope,
therefore, we are notifying you to have this recall completed.
Lippert
will supply a gauge to be used while conducting inspections of the vent portion of the 6400 series
windows (which you will receive in the mail a few days after this letter). If after the inspection it is
determined that the windows are not experiencing an adhesive failure, please be sure to contact Thor
Motor Coach at [email protected] to ensure we update your records.
If the original vent(s) is found to have an adhesive bond issue, TMC will assist in providing a replacement
vent(s) to your dealer and instructions on how to properly replace. The parts for the remedy are currently
available. The service required should take at least ½ hour to perform and will vary based on number of
vent replacements. . This will be done at no cost to you, the owner.
To locate the nearest authorized TMC service center if replacement is needed, please visit
https://www.thormotorcoach.com/locate-a-service-center/. If you have questions concerning this recall or
if you need any assistance, please contact the TMC Warranty/Service Department by mail at TMC, P.O.
Box 1486, Elkhart, IN 46515-1486, by phone at 877-855-2867, or by email at [email protected].
If you had appropriate repairs completed prior to receipt of this recall notice, and if you incurred any direct
cost in connection with obtaining such repair, you may be eligible to receive reimbursement from TMC by
contacting the TMC Warranty/Service Department.
If after contacting TMC Customer Service you are still not satisfied we have done our best to remedy this situation, you may also submit
a written complaint to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington,
DC 20590. You may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153; or go to
https://www.safercar.gov.) Federal regulations require that any vehicle lessor receiving this recall notice must forward a copy of this
notice to the lessee within ten days.
Thank you for your attention and cooperation in this matter.
Sincerely,
Thor Motor Coach![]()
cc: National Highway Traffic Safety Administration (NHTSA)
What we need
you to do
RECREATIONAL VEHICLE
SAFETY RECALL NOTICE
Safety Recall: 21V-522
Safety Advisory: RC000232
September 2021
What we
will do
Reason for
this recall
***********************************************************************************************
RC000232
IMPORTANT SAFETY RECALL
Re: VIN
«Name»
«Address»
Dear Dealer:
This Safety Recall Notice is sent to you in accordance with the requirements of the United States National Traffic and Motor Vehicle Safety Act and is important for your safety. Thor Motor Coach
(TMC) decided that a defect which relates to motor vehicle safety exists in certain model year: 2019 Challenger
, Palazzo, and Tuscany; 2019-2020 Miramar; & 2019-2021 Aria, Outlaw, and Venetian motorhomes.
Lippert
has conducted a thorough investigation and determined an issue which relates to motor vehicle safety may exist in certain vehicles equipped with a 6400 Series window vent produced by their Michigan facility which was formerly Hehr International
. There is the possibility of the vent portion of the involved windows built between 10/01/2018 and 08/13/2020 experiencing an issue with the window adhesive bonding. There is the Possibility of the window adhesive failing, which could allow the vent to detach and cause a crash.
Lippert
will supply a gauge to all retail customers to be used while conducting inspections of the vent portion of the 6400 series windows. If any vent(s) is found to have an adhesive bond issue, orders for replacement vent(s) can be placed thru TMC. Retail Owners have been instructed to contact you, their dealer, directly to assist in these repairs and orders. If you are in need of an inspection gauge, please contact us at [email protected] so can ensure you receive one.
The parts for the remedy are currently available. The service required should take at least ½ hour to perform and will vary based on number of vent replacements.
Dealers that have stock units impacted by this recall can access the full list of affected VINs sold to their dealership by accessing the “Service Campaign” portion of the TMC Advantage Web Portal. If any unit on this list has been retail sold you are asked to notify the retail owner as soon as possible of this recall because their vehicle was not registered at the time the retail notice was mailed. Please immediately register any retail sold units on this list. As a reminder, you are required by law to complete this recall on any stock units in inventory prior to retail sale. Any vehicle lessor receiving this notice must forward a copy to the lessee within 10 days.
If you have questions concerning this recall, please contact the TMC Warranty/Service Department by mail at TMC, P.O. Box 1486, Elkhart, IN 46515-1486, by phone at 877-500-1020, or by email at [email protected].
We apologize for this inconvenience; however, we have taken this action in the interest of customer safety and continued satisfaction with our products.
Sincerely,
Thor Motor Coach![]()
Re: NHTSA Recall No. 21V-522
TC Recall No. 2021-499
***********************************************************************************************
*
*
*
*
*
*
*
*
***************************************************************************************
21 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| THOR MOTOR COACH |
ARIA | 2019-2021 |
| THOR MOTOR COACH |
CHALLENGER |
2019-2021 |
| THOR MOTOR COACH |
MIRAMAR | 2019-2021 |
| THOR MOTOR COACH |
OUTLAW | 2019-2021 |
| THOR MOTOR COACH |
PALAZZO | 2019-2021 |
| THOR MOTOR COACH |
TUSCANY | 2019-2021 |
| THOR MOTOR COACH |
VENETIAN | 2019-2021 |
13 Associated Documents
Miscellaneous Document – Chronology
RMISC-21V522-4267.pdf 109.968KB
Defect Notice 573 Report
RCLRPT-21V522-8071.PDF 216.838KB
Miscellaneous Document – Part Number Component List
RMISC-21V522-1861.pdf 395.663KB
Recall Acknowledgement
RCAK-21V522-9782.pdf 646.226KB
Recall 573 Report – Amendment 1
RCLRPT-21V522-4746.PDF 216.969KB
Recall 573 Report – Amendment 2
RCLRPT-21V522-9206.PDF 216.975KB
ISSUED Owner Notification Letter(Part 577)
RCONL-21V522-2250.pdf 39.095KB
Manufacturer Notices(to Dealers,etc)
RCMN-21V522-2726.pdf 140.802KB
ISSUED Owner Notification Letter(Part 577)
RCONL-21V522-5011.pdf 38.287KB
Remedy Instructions and TSB
RCRIT-21V522-8799.pdf 813.448KB
Remedy Instructions and TSB
RCRIT-21V522-7270.pdf 2067.861KB
Recall Quarterly Report #2, 2021-4
RCLQRT-21V522-0561.PDF 211.222KB
Recall Quarterly Report #1, 2021-3
RCLQRT-21V522-1411.PDF 211.123KB
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V522&docType=RCL
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Last update on 2026-05-25 / Affiliate links / Images from Amazon Product Advertising API
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