2019-2021 Keystone & Dutchmen Recreational Vehicles 21-414 Propane Regulator

September 13, 2021 NHTSA CAMPAIGN NUMBER: 21V708000

Propane Regulator May Fail and Cause Fire

Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.

 

NHTSA Campaign Number: 21V708

Manufacturer Keystone RV Company

Components EQUIPMENT

Potential Number of Units Affected 95,753

 

Summary

Keystone RV Company (Keystone) is recalling certain 2019-2021 Dutchmen Aspen Trail, Coleman, Keystone Cougar, Bullet, Passport, Hideout, Springdale, Sprinter, 2019 Keystone Impact, Fuzion, Residence, Retreat, Summerland, and Dutchmen Kodiak recreational vehicles, equipped with Winntec model 6020 two-stage propane regulators. The regulator may fail, causing an increase in propane pressure.

 

Remedy

Dealers will replace the regulator and test the propane system for leaks, free of charge. Owner notification letters mailed February 25, 2021. Owners may contact Keystone customer service at 1-866-425-4369. Keystone’s number for this recall is 21-414.

 

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.

 


2021 Dutchmen Aspen Trail
2021 Dutchmen Aspen Trail

 


4/27/22

Keystone RV Company

SAFETY ADVISORY # 21-214

Winntec Propane Regulators

Keystone is conducting a voluntary RECALL notification campaign in accordance with the National Highway Transportation and Safety Act. It has been decided that the Winn-Tec Model 6020 dual stage propane regulator may supply elevated, intermittent, or low propane pressure to the appliances. An increase in propane pressure, could cause the flame of the appliance to become larger, and under certain rare circumstances, may ignite adjacent materials resulting in a fire. Appliances that can be affected by an excessive flame are the stovetop, oven, hot water heater, furnace and refrigerator.

Year Model Serial Number Ranges
2019 Aspen Trail – All West Coast Models KY920112 – KY923798
2020 Aspen Trail –All West Coast Models LY920024 – LY923127
2021 Aspen Trail – All West Coast Models MY920000 – MY924508
2019 Bullet – All Models KD430165 – KD436285

KT430001 – KT436306

KX430142 – KX435913

2020 Bullet – All Models LD430327 – LD435590

LT430000 – LT435556

2021 Bullet – All Models MD430000 – MD437450

MT430122 – MT437775

MX430846 – MX437333

2019 Coleman – All Models KJ930191 – KJ938143

KY930000 – KY939618

2020 Coleman – All West Coast Models LY930086 – LY939457
2021 Coleman – All West Coast Models MY930598 – MY943319
2019 Cougar – All West Coast Models K1502058 – K1502604

KC500000 – KC511764

2020 Cougar – All West Coast Models LC500000 – LC509168
2021 Cougar – All West Coast Models MC500000 – MC511344
2019 Fuzion – All Models KF810000 – KF810912
2019 Hideout – All excluding the following: 175LHS, 176LHS, 177LHS, 178LHS, 179LHS, 186LHS K3246200 – K3249228

K7240033 – K7249276

KN240000 – KN244975

2020 Hideout – All excluding the following: 172LHS, 174RK, 175LHS, 176LHS, 177LHS, 178LHS, 179LHS, 186LHS L7240000 – L7247770

LG247772 – LG247821

LN246715 – LN246715

2021 Hideout – All excluding the following: 172TX, 174RK, 175BH, 176BH, 177RD, 178RB, 179RB, 186SS M1240943 – M1251306

M7240050 – M7252051

MG240000 – MG240457

MN240708 – MN251309

2019 Impact – All Models KF815000 – KF815486
2019 Kodiak – All Models KJ970000 – KJ970956
2019 Passport – All Models KD410120 – KD415440

KK410235 – KK415422

KT410000 – KT410119

KX410387 – KX415258

2020 Passport – All Models LD410121 – LD415190

LK410021 – LK415698

LX414878 – LX414879

2021 Passport – All Models MD410225 – MD416609

MK410000 – MK417154

MX410540 – MX416559

2019 Residence – All Models KW160000 – KW160310
2019 Retreat – All Models KW260000 – KW260311
2019 Springdale – All Excluding the Following: 1700FQ, 1750RD, 1760BH, 1790FQ, 1800BH, 1860SS K3100000 – K3106725

KG100015 – KG106602

2020 Springdale – All Excluding the Following: 1700FQ, 1720TH, 1750RD, 1760BH, 1790FQ, 1800BH, 1860SS L3100143 – L3108515

LG100000 – LG108543

LW101252 – LW101411

2021 Springdale – All Excluding the Following: 1740RK, 1750RD, 1760BH, 1790FQ, 1800BH, 1860SS, 2010BH M3100001 – M3112383

MG100000 – MG112380

2019 Sprinter – All Models K1530000 – K1530973
2020 Sprinter – All Models L1532712 – L1532785
2021 Sprinter – All Models M1530000 – M1533327
2019 Summerland – All Models K3150000 – K3151903

 

Parts Required:  1 – KRV # 696405 Regulator – Recall Only Kit – Auto Change Over – w/12″ Pigtails – UFP (Please order box qty of 10 or more – no VIN required. Part number shipped will vary depending on supply available.)
Tools Required: – Open-end wrenches to replace regulator

PLEASE NOTE:  Regulator date code is required for the claim. See Figure 1.

Note – Check serial number on Key Express to verify the campaign is open. Some vehicles were repaired before they left Keystone.

When performing warranty or recall service, please make certain that appropriate Personal Protective Equipment (PPE) is used.

The remedy is to inspect the date code, see Figure 1. If the date code is 18 XX, 19 XX, 20 XX, or 21 XX replace the existing Winntec propane regulator with a new regulator, the regulator date code is required for the claim. See Figure 1.

PLEASE NOTE:  Depending on part availability you may receive different brand of regulator than what is listed, with or without hoses. If a regulator is received without hoses it is acceptable to use the original hoses.

 

Approved Replacement Regulators From Stock or Local Purchase

Fairview GR-9984 TPA ACR6/ACR2/Flame King Marshall Excelsior MEGR-253
Cavagna 52-A-890 JR Products 07-31525 Camco 59002,59005,59007
Enerco 73836 Deking 6050

 

REPAIR INSTRUCTIONS

Step 1

Locate the trailer on a level, flat, hard surface. Chock the wheels, turn off all appliances, and shut the valves on the propane bottles.

Step 2

Locate the Winntec propane regulator at the LP bottles. Inspect the date code. Only replace Winntec model 6020 with a date code of 18 xx, 19 xx, 20 xx or 21xx. 

Step 3

Remove and replace the propane regulator using industry standards, followed by a drop pressure test to check for leaks.

 

If you have questions, please contact Customer Service: 

Dutchmen: (855) 382-4100
Light Weight: (866) 273-1456
Premium: (866) 273-1454
Traditional: (855) 895-4422
Toy Haulers: (866) 273-1452

 


11/4/20–Grand Design RV informs THOR Ind. of three incidents involving Winntec Model 6020 regulators, where the regulators were suspected as the cause of fires. The Thor companies reviewed the issue internally and found no issues with these regulators at that time.

 

12/4/20–KZ RV informs THOR Ind. of two issues under investigation with the same suspect regulators.

 

12/22/20–Grand Design performs lab analysis on two failed regulators and finds they contain an oily substance inside.

There is a belief that the oily substance is machining oil from a manufacturing process.

 

2/24/21–Grand Design informs THOR Ind. they are investigating several more fires, and will be sending regulators from those incidents for lab inspection.

 

3/16/21–Lab analysis performed on six regulators from Grand Design, including one exemplar and one from KZ RV. In the lab setting, the KZ RV regulator operated within allowable parameters, although it contained the same oily residue seen on the field samples.

 

4/19/21–THOR Ind. engages Exponent Engineering to conduct analysis of regulators to determine source of oily substance.

 

5/10/21–Safety Committee Meetings conducted at KZ RV, Keystone RV and Jayco RV, to update them on regulator investigation. All committees request further investigation of specific claims and confirmation of Exponent findings.

 

5/12/21–Exponent provides written report/presentation on regulator analysis.

 

5/14/21–Meeting held with Grand Design, Dehco, Winnspec International, and Chen Fong to discuss regulator issue.

Winnspec given until May 18, to return information regarding issues with their regulators.

 

5/19/21–Safety Committee Meetings conducted at KZ RV, Keystone RV and Jayco RV to update them on the regulator investigation.

 

5/21/21–THOR Ind. Discussed regulator issue with the Medium Heavy Duty ODI office.

 

5/24/21 & 5/25/21 – Meeting with Grand Design, Dehco, Winnspec International, and Chen Fong at Livonia, MI testing facility, to discuss regulator investigation. Chen Fong agrees the regulator is allowing higher pressure than expected with a compromised second stage seal.

 

5/27/21–Safety Committee Meetings conducted at KZ RV, Keystone RV and Jayco RV. All safety committees decide to move forward with a recall for safety for units built with a defective Winntec Model 6020 regulator.

 

6/16/21 – Video Meeting was held with Thor Industries and NHTSA ODI and Recalls Management Divisions to update them on the progress of gathering the required populations of all regulator recalls submitted by the Thor Companies.

NHTSA was informed that more confirmation testing was required to definitively establish a population. 7/7/21 – Exponent provided Thor Industries draft testing results of the interaction of the second stage seal with various plasticizers found in hoses used on the regulators from the last five years of manufacturing. Only one sample per year was available to test. This testing confirmed similarities in several years.

 

7/8/21 – Exponent’s draft testing results reviewed with Thor Industries companies. Due to small sample size, it was requested to see if more samples could be secured for confirmation testing.

 

7/16/21 – Thor Industries conducts meeting with Dehco, UFP and Winnspec to discuss the regulator recalls. Winnspec agrees to provide further second stage seal discs to confirm earlier testing.

 

8/2/21 – Testing samples from Winnspec received from China at Exponent.

 

8/18/21 – Exponent provides draft testing results to Thor Industries on confirmation Samples.

 

8/20/21 – Thor Industries conducts meeting with affected companies to discuss testing results. Companies are instructed to review the results with their Safety Committees and adjust recall populations accordingly.

 

9/2/21 – Keystone Safety Committee reviewed the information and concluded that the data reviewed indicated a unanimous vote for a voluntary recall. Investigation called for to determine affected unit range.

 

9/13/2021 – Investigation concluded and scope completed.

 


30 Affected Products

Vehicles

MAKE MODEL YEAR
DUTCHMEN ASPEN TRAIL 2019-2021
DUTCHMEN COLEMAN 2019-2021
DUTCHMEN KODIAK 2019
KEYSTONE BULLET 2019-2021
KEYSTONE COUGAR 2019-2021
KEYSTONE FUZION 2019
KEYSTONE HIDEOUT 2019-2021
KEYSTONE IMPACT 2019
KEYSTONE PASSPORT 2019-2021
KEYSTONE RESIDENCE 2019
KEYSTONE RETREAT 2019
KEYSTONE SPRINGDALE 2019-2021
KEYSTONE SPRINTER 2019-2021
KEYSTONE SUMMERLAND 2019

 


15 Associated Documents

Manufacturer Notices(to Dealers,etc)

RCMN-21V708-8454.pdf 138.92KB

RCMN-21V708-8454

 


Manufacturer Notices(to Dealers,etc)

RCMN-21V708-8349.pdf 116.845KB

RCMN-21V708-8349

 


ISSUED Interim Owner Notification Letter(Part 577)

RIONL-21V708-6852.pdf 122.642KB

RIONL-21V708-6852

 


Remedy Instructions and TSB

RCRIT-21V708-0906.pdf 200.757KB

RCRIT-21V708-0906

 


Recall 573 Report – Amendment 2

RCLRPT-21V708-5682.PDF 229.437KB

RCLRPT-21V708-5682

 


Recall 573 Report – Amendment 1

RCLRPT-21V708-7777.PDF 229.438KB

RCLRPT-21V708-7777

 


Miscellaneous Document – Chronology

RMISC-21V708-6785.pdf 30.839KB

RMISC-21V708-6785

 


Recall Acknowledgement

RCAK-21V708-1993.pdf 646.022KB

RCAK-21V708-1993

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V708-1986.pdf 137.548KB

RCONL-21V708-1986

 


Remedy Instructions and TSB

RCRIT-21V708-3867.pdf 195.029KB

RCRIT-21V708-3867

 


Manufacturer Notices(to Dealers,etc)

RCMN-21V708-1309.pdf 130.869KB

RCMN-21V708-1309

 


Manufacturer Notices(to Dealers,etc)

RCMN-21V708-5853.pdf 120.838KB

RCMN-21V708-5853

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V708-8525.pdf 100.204KB

RCONL-21V708-8525

 


Remedy Instructions and TSB

RCRIT-21V708-0858.pdf 534.913KB

RCRIT-21V708-0858

 


Recall Quarterly Report #1, 2022-1

RCLQRT-21V708-1883.PDF 211.149KB

RCLQRT-21V708-1883

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V708&docType=RCL

 


 

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