Window Adhesive Failure – 2018-2019 NRC Motorhomes

August 9, 2021 NHTSA CAMPAIGN NUMBER: 21V624000

Window Adhesive Failure

Adhesive failure may cause the vent portion of the window to detach, increasing the risk of a crash or injury.

 

NHTSA Campaign Number: 21V624

Manufacturer NRC MODIFICATIONS, INC.

Components EQUIPMENT, STRUCTURE

Potential Number of Units Affected 31

 

Summary

NRC Modifications, Inc. (NRC) is recalling certain 2018-2019 NRC Motorhomes 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 letters were mailed October 13, 2021. Owners may contact NRC customer service at 1-574-825-3646.

 

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.

 


October 13, 2021

IMPORTANT SAFETY RECALL NHTSA Recall ID 21-V-624

RE: NHTSA RECALL 21V-624 for Lippert (Hehr Windows), 6400 Series

Dear Valued Customer,

This notice is sent to you in accordance with requirements of the National

Highway Traffic and Motor Vehicle Safety Act

Lippert has determined that a defect which is related to motor vehicle safety exists with the 6400 Series windows. The windows were manufactured from October 2018 thru August 2020. Lipperts records show that NRC purchased windows listed on the recall has been installed in motorhomes purchased by Fairview Motorsports.

 

The defect is a possible loss of bond between the 2 pieces of glass allowing the vent seal to be compromised. There is a 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 window, as well as the replacement vent if found to be defective. Lippert will also reimburse you for 0.4 labor charged by your dealers to inspect the window vent involved/ and or replace any needed vent at the flat rate of 0.5 hour. The parts are currently available.

 

Include in this notice is a 4 page guide from Lippert. It is a guide for replacement/ and or reimbursement if the repair has been completed.

 

NRC has determined that Fairview Motorsports has 7 motorhomes out in the field with potential window issues. NRC will provide you with the chassis and vin numbers of those units in this recall and letter.

 

If you are having difficulty getting you vehicle repaired in a reasonable amount of time or without charge, you may write to the: Administrator National Highway Traffic Safety Administration, 1200 New Jersey Ave, S.E., Washington D.C. 20590 or you can call the toll free Vehicle Safety hotline: 888-327-4236 or (TTY: 800-424-91532), or visit www.safecar.gov.

 

Lippert information for the window recall is as follows: phone 574-538-4514 or email at recall Icil.com.

Sincerely,

 

NRC Modifications 51045 Greenfiedl Parkway, Middlebury IN 46540

 

Fairview Motorsports

Unit N1672735-1/2 Freightliner Cascadia VIN#3ALHGLD17JSJV5172
Unit N1673227-1/2 Peterbilt VIN#1NPBGGGG10D604173
Unit N1673537 Freightliner Cascadia VIN#3ALHGED14KDJZ7932
Unit N1673833 Freightliner Cascadia VIN#3ALHGED16KDJZ7933
Unit N1674335-1/2′ Peterbilt 389 VIN#1NPXL49X8LD635356
Unit N1676025-1/2′ Freight]iner Cascadia VIN#3ALAHLDVILSLL4019
Unit N1674520′ Western StareBay logo VIN#5KKHBLD17LLLL4030

 

Fairview Motorsports

1735 Fairview Ave (mail ing address is 2645 Prestwick Place) Decatur IL 62521

 

51045 Greenfield Parkway • Middlebury, IN 46540 • (574) 825-3646 • Fax (574) 825-3586 • Website: www.nrcmod.com

 


21E047 Hehr 6400 Series Windows Adhesive Failure

http://oemdtc.com/6277/21e047-hehr-6400-series-windows-adhesive-failure


2 Affected Products

Vehicle

MAKEMODELYEAR
NRCMOTOR HOME2018-2019

6 Associated Documents

Recall Acknowledgement

RCAK-21V624-5172.pdf 646.489KB


Defect Notice 573 Report

RCLRPT-21V624-4186.PDF 212.736KB


Recall 573 Report – Amendment 3

RCLRPT-21V624-8239.PDF 213.304KB


ISSUED Owner Notification Letter(Part 577)

RCONL-21V624-7215.pdf 2683.127KB


Recall 573 Report – Amendment 1

RCLRPT-21V624-8204.PDF 213.287KB


Recall 573 Report – Amendment 2

RCLRPT-21V624-5023.PDF 213.284KB


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V624&docType=RCL


Bestseller No. 1
3M Auto Glass Urethane Windshield Adhesive, 08693, Medium Viscosity, High-Strength, Fast-Curing, 310 mL/10.5 fl oz Cartridge , Black
  • BOND WINDSHIELDS YOUR WAY: Compatible with both manual or powered caulking guns
  • FAST-CURING: Adhesive produces rapid results, curing in just 24 hours
  • For industrial/occupational use only. Not for consumer use
  • HIGH-BOND STRENGTH: Designed for permanent windshield bonding and stationary glass attachment
  • MEDIUM-VISCOSITY FORMULA: Non-sag urethane formula makes for clean and easy application
SaleBestseller No. 2
Polyurethane Windshield Adhesive — Fast Curing Auto Glass Glue with High Bond Strength, Black Windshield Sealant for Vehicle & RV Window Seal, Urethane Adhesive with Gloves, OEM Quality, 10.5 fl oz
  • FAST-CURING WINDSHIELD ADHESIVE — OEM QUALITY BOND — Professional-strength polyurethane formula bonds windshields, rear windows, and side glass with fast-curing adhesive that reaches handling strength in hours, not days. OEM-level performance for auto glass replacement and repair.
  • HIGH BOND STRENGTH — WON'T SHRINK OR CRACK — Engineered for permanent, flexible adhesion that holds through temperature swings, road vibration, and weather exposure. The cured seal stays flexible without shrinking or cracking over time — critical for maintaining a watertight windshield.
  • WORKS ON VEHICLE & RV GLASS — Use as a windshield sealant, rear view mirror adhesive, or window seal compound on cars, trucks, SUVs, vans, and RVs. Bonds glass to metal, fiberglass, and painted surfaces with equal strength.
  • EASY APPLICATION — STANDARD CAULKING GUN COMPATIBLE — Cartridge loads into any standard caulking gun for controlled, even bead placement. No proprietary tools required. Includes disposable nitrile gloves and spreader tool for clean, professional results.
  • BLACK URETHANE FORMULA — 10.5 FL OZ — Black color matches OEM windshield sealant lines for factory-appearance repairs. One cartridge provides enough adhesive for a full windshield installation on most vehicles.
Bestseller No. 3
3M 08609 Window-Weld Super Fast Urethane Windshield Adhesive, High-Strength Fast-Curing One-Part Auto Glass Sealant, 10.5 fl oz (310 mL) Cartridge, Black
  • PROFESSIONAL AUTO GLASS BOND: High-strength urethane adhesive bonds windshields securely to vehicle frames for a permanent, weatherproof seal. Helps prevent leaks and withstands road vibrations and extreme temperatures.
  • SUPER FAST 1-HOUR CURE: Advanced moisture-curing formula sets quickly with a 10-15 minute work time and achieves safe drive-away strength in as little as one hour (at 73°F). Ideal for professionals to minimize vehicle downtime.
  • EASY, NO-MESS APPLICATION: Medium viscosity, non-sag formula won't drip for controlled application on vertical or overhead surfaces. Use any standard 10.5 oz cartridge caulking gun (manual or powered) for precise adhesive placement.
  • ONE-PART URETHANE, NO MIXING: Ready-to-use single-component polyurethane adhesive requires no mixing or special equipment. Simplifies windshield replacement with consistent bonding performance and no guesswork.
  • VERSATILE & UNIVERSAL USE: Designed for replacing bonded auto glass, including windshields, rear windows, and quarter glass. Also suitable for some non-structural panel bonding applications. Universal fit for cars, trucks, and SUVs.
Bestseller No. 4
Urethane Windshield Adhesive, Fast Curing & Ultra-Bond Windshield Sealant, Heat-Stable Auto Glass Glue for Car, Truck, Side Window, Convertible, Windshield Repair Kit with Tool, 10.5 oz (Black)
  • Ultra-Bond Windshield Adhesive: Specifically for permanent windshield bonding & fixation, windshield adhesive sealant prevents glass loosening & water leakage for years; holds tight even under heavy glass weight or extreme impacts for worry-free driving
  • Fast Cure for All Auto Glass Jobs: Quick-curing cuts downtime, gets you driving sooner; offers non-sag bonds to windshield edges, sunroofs, sidelights, & backlights on car, truck, RV, convertible & more, ideal for vertical & overhead applications
  • Hassle-Free for Anyone: No primer needed, windshield glue effortlessly achieves enduring adhesion without complex surface treatment; the kit includes gloves & an applicator tip, making window repair totally stress-free, perfect for pros & DIYers
  • All-Weather Durability: Urethane adhesive withstands extreme heat & cold, no softening, deformation or adhesion loss even in harsh conditions; resists UV, won’t crack, or lose flexibility even for 30+ years, offering lasting sealing in any climate
  • No-Risk Promise: If our heavy-duty polyurethane adhesive fails to meet your expectations, we’ll replace it or refund your order; just contact us; we stand behind our products because we use them ourselves
Bestseller No. 5
Polyurethane Windshield Adhesive & Sealant 50ML - High Strength, Fast Curing Formula for Automotive Glass, Car Windscreen, RV Window - Professional Strength, Weather Resistant Crack Repair Glue
  • Strong Adhesion – This windshield glue adhesive absorbs shocks and vibrations to keep windshields securely in place. Prevents cracks and leaks, even on rough roads or under extreme stress.
  • Quick-Curing & Non-Drip – Our urethane adhesives formula sets quickly without sagging or dripping, significantly reducing hold time. This allows you to complete vertical and overhead applications faster and with a cleaner, more professional finish.
  • Weather-Resistant – Whether it’s sweltering summer heat, freezing winter cold, or even extreme temps from -50°C to 180°C, our formula withstands high and low temperatures, UV rays, and moisture—forming an impenetrable seal that shields your vehicle from downpours and humidity, all for long-lasting performance.
  • Easy Application – Our polyurethane windshield adhesive comes in a 300ml cartridge compatible with standard caulking guns. It’s ready to use, includes an applicator tip, and just remember to clean the surface before use for smooth, reliable bonding.
  • Multipurpose Automotive Adhesive – This auto glass adhesive seamlessly bonds windshields, backlights, sidelights, and glass edges on any vehicle—from cars and trucks to RVs. Designed for both DIY enthusiasts and professional repairs, it’s the go-to solution for durable, leak-proof results every time.

Last update on 2026-05-25 / Affiliate links / Images from Amazon Product Advertising API


 

This product presentation was made with AAWP plugin.

Leave a Comment

Share to...