NHTSA ID Number: 10164999
Manufacturer Communication Number: TSB549
TSB/Document Date: 2020-11-19
Summary
Some 2020 early-production New Aire coaches may have been shipped with a hole through the driver's side floor into the wheel well area.
Newmar
Corporation
PO Box 30
Nappanee, IN 46550
TSB 549
Aug. 22, 2019
TECHNICAL SERVICE BULLETIN
AFFECTED MODELS
2020 :: New Aire
ISSUE
Some 2020 early-production New Aire coaches may have been shipped with a hole through
the driver’s side floor into the wheel well area.
UNITS AFFECTED
Please refer to the attached population list for affected production numbers and VINs.
CORRECTIVE ACTION
Contact your Newmar Service Account Manager to obtain authorization and to order parts.
Follow the attached instructions to fill and seal the hole.
PARTS NEEDED
Item Description
Quantity
Newmar Part #
Black Sikaflex
1 ea.
111474
.030 Aluminum Piece
1 ea.
75507A
8 x 1” Black Screws
.008 ea.
135657
FLAT RATE CODE:
TSB 549
LABOR TIME:
.5 hr.
IMPORTANT: Please read this bulletin in its entirety prior to beginning any diagnosis or repairs.
NOTICE: Any technical information published in this bulletin is intended for use only by a qualified, Newmar-authorized service technician. Newmar
is not responsible for the misuse of this information.
How to Seal the Hole on Early-Production 2020 New Aire Coaches
Issue
Unknown to Newmar
, some 2020 early-production New Aire coaches may have been shipped with a hole
through the driver’s side floor into the wheel well area.
Required Parts
Order the following parts from the Newmar Parts Department:
• 1 ea. Black Sikaflex (Newmar part # 111474)
• 1 ea. Aluminum .030 Piece (Newmar
part # 75507A)
• .008 ea. 8 x 1 Black Screws (Newmar
part # 135657)
Repair
1. Air up the coach, and turn the wheels to the right.
2. Check in the wheel well for the hole (it will look similar to
picture).
3. Cut the piece of aluminum into a 5 ½” square (approximately).
4. Remove some caulk on both sides of hole so the aluminum
cover will sit flat against the wheel well all the way to the
corner.
5. From the wheel well, use spray foam to fill the cavity in the
floor.
6. Install a piece of .030
aluminum, approximately
5 ½” square, to cover the
hole from the wheel well.
7. Seal the piece of
aluminum using black
Sikaflex, and install eight
screws.
8. Seal the corner, edges, and screw heads using black Sikaflex.
Production #
710592
710610
710637
710640
710641
710642
710647
710661
710697
710698
710723
710728
710746
710750
710751
VIN Number
4UZACEFC8LCLL5967
4UZACEFE3LCLH3717
4UZACEFC8LCLW2389
4UZACEFE0LCLX0035
4UZACEFC3LCLW7676
4UZACEFC4LCLW2387
4UZACEFE5LCLX0029
4UZACEFEXLCLX0026
4UZACEFE3LCLX0028
4UZACEFE3LCLX0031
4UZACEFE9LCLX0034
4UZACEFE8LCLX0025
4UZACEFE6LCLX0024
4UZACEFE2LCLX0036
4UZACEFE1LCLX0027
Year
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
2020
Brand
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Type Floor Plan Chassis Brand
DP
3343 FL
DP
3545 FL
DP
3343 FL
DP
3543 FL
DP
3343 FL
DP
3341 FL
DP
3545 FL
DP
3545 FL
DP
3545 FL
DP
3543 FL
DP
3543 FL
DP
3545 FL
DP
3543 FL
DP
3545 FL
DP
3543 FL
Date In Production Date Off Production
11/27/2018
12/4/2018
2/8/2019
2/15/2019
5/22/2019
6/3/2019
6/25/2019
7/10/2019
5/24/2019
6/4/2019
6/5/2019
6/12/2019
6/10/2019
6/17/2019
6/13/2019
6/20/2019
6/14/2019
6/21/2019
6/20/2019
6/27/2019
6/27/2019
7/12/2019
6/6/2019
6/13/2019
6/11/2019
6/18/2019
6/19/2019
6/26/2019
6/18/2019
6/25/2019
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 📌【We are Here for You】Dear valued customer, please be...
- 🚀【5X Faster Next-Level Hardware, Same as MK900/ MX...
- 🔥【3000+ Active Tests = MK900/MK900BT but...
- 📢【2026 U.S. Version, All-in-One as MK808S/ MK808Z...
- 🔥【28+ Hot Services for 150+ Brands】Same as MaxiCOM...
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: TSB549
Replacement Service Bulletin Number:
MFR Communication Date: 2019-08-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU coding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA
AutoAuth: Now supports FCA
SGW module for Chrysler
, for Jeep
, for Dodge
(2018+), for Fiat
(2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Programming): Allows for Ford
, for Lincoln
, and for Mazda
ECU programming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order - Cost-effective ECU Coding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW
, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford
, for Mazda
, and for Lincoln
. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase - OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 3 Years Software Update, Value for Money: With 3 years of software updates and 22+ languages(no IP restrictions), XTOOL D7S auto scanner code scanner ensures ongoing compatibility for the latest car models and improved diagnostic functions. This all system vehicle diagnostic scanner comes with a 30-day return policy and a 24-month repair for dependable performance. XTOOL are dedicated to your satisfaction, so enjoy seamless support and lifetime expert assistance. Should you encounter any issues or concerns, don’t hesitate to reach out XTOOL. D7S with newest update with 22 languages freely transfer without authorization, check details from setting-language or from XTOOL
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.




