NHTSA ID Number: 10044660
Manufacturer Communication Number: ITS-4921
TSB/Document Date: 2012-07-18
Summary
NEW FLYER
: INFORMATION BEING PROVIDED ON THE REPAIR OF WELD CRACKS ON GUSSET PLATES LOCATED ON ENGINE MOUNT STREET SIDE. *PE
welding.
Page 23 of 27
ITS:
4921
Appendix B
PRIMER APPLICATION INSTRUCTIONS
Primer Mixing Instructions
I.
Clean area to be primed per painting and priming procedures in the New Flyer Service Manual under section: Chassis and
Structure.
II. Mix 1 part of PPG Catalyst S28079 (NFIL P/N 108936) with 2 parts of PPG Green Zinc Powdercoat S28080 (NFIL P/N
115956). Mixture to be applied by brush. No Varsol (thinner) is required. Mix thoroughly.
Cure time is 4 hours at 77°F (25°C).
Pot life of mixture is approx. 3 to 4 hours, BUT is significantly reduced with exposure to
air (moisture).
Corashield Protective Coating Application
I.
Remove excess dirt, dust and debris from substrate using clean, dry cloth or air stream.
II. Coating to be applied at ambient air temperature between 50 to 99°F (10 to 32°C).
III. Substrate temperature must not exceed 212°F (100°C) during application.
IV. Keep parts above freezing within first 24 hours after application.
V. Using a 50:1 ratio or higher stainless steel pump, Reverse-A-Clean tungsten carbide tipped (0.021” to 0.027” in diameter)
stainless steel airless spray gun and disposable brush or trowel, apply a single coating of Corashield (NFIL P/N 080288).
Spray distance 12 to 15” (30 to 38cm).
ALTERNATELY: Apply Corashield by brush.
VI. Allow to air dry at room temperature.
Page 24 of 27
ITS:
APPENDIX C
CRACK REPAIR PROCEDURE
4921
Page 25 of 27
ITS:
A P P E N D IX D
WELD SIGN OFF SHEET
IMPLEMENTATION OF NEW FLYER ITS 4921
Bus Number:
____________________
Hub Reading:
____________________
Date Work Completed:
____________________
Assigned Welder:
____________________
Assigned CWI:
________________________
Maximo Mileage:
____________________
New Flyer Industries hereby certified that the structural repairs completed on this bus
were completed in accordance with approved ITS 4921 and the bus is structurally fit for
service.
New Flyer Representative:
Date:
________________________
____________________
KCM Representative:
Date:
______________________
____________________
4921
Page 26 of 27
4921
ITS:
LABOUR ESTIMATE
A
Operation
Men
Hours
Labour Time
M X HR
10.0
Removal & re-installation of components as required
1
10.0
1
2.0
•
1
0.5
0.5
1
2.5
2.5
gaining access to the street side motor mount
bracket.
B
Remove and replace street side motor mount if
2.0
completely cracked or as specified in Part B. (If
required only).
C
Coaches only are showing cracks that require weld
repair (V-groove & welds).
D
Weld on gusset plate/bracket on street side motor
mount. Include prep and paint.
•
Part B will only be completed if required.
PARTS REQUIRED
Item
Part Number
Description
1
354201
Assy – Engine Mount LH
2
6407222
Kit – Parts for the Re-Enforcement
Qty.
per
Coach
1
Units
Notes
EA
*1
1
EA
Plates for Engine Motor Mount Bracket
1.
Only order motor mount bracket as required.
Note: Do not order parts below, just listed for the BOM for the kit (NF PN: 6407222)
Parts List for Kit – Parts for the Re-Enforcement Plates for Engine Motor Mount Bracket (NF PN: 6407222)
Description
Qty.
per
Coach
1
Units
Item
Part Number
1
468778
Bracket – Shock Mount
2
468779
Plate – Eng MNT Support
1
EA
3
10B12088
Bolt ¾ - 10 UNC x 5.50”
2
EA
4
20W12000
Washer – Flat ¾
4
EA
EA
Notes
Page 27 of 27
ITS:
5
40N12000
Nut – Hex Lock ¾ UNC
2
EA
6
10B06020
Bolt, Hex 3/8” – 16 UNC x 1 1/4:” LG
4
EA
7
10W06000
Washer, Flat 3/8”
8
EA
8
40N06000
Nut, Lock Nylon 3/8” – 16 UNC
8
EA
9
108936
Primer-Moisture Cure Urethane
0.025
GA
10
115956
Primer-Zinc Powder Red
0.05
GA
11
235854
Undercoat-PPG 7972-W
0.10
GA
12
10B06032
Bolt-Hex 3/8 UNC x 2.00
8
EA
13
30W06000
Washer-Lock 3/8 NOM
8
EA
14
011298
Washer-Lower Rad
8
EA
15
8110071
Mount-Rubber
8
EA
16
267373
Washer-Fender .5 x 2.00
8
EA
17
20W06000
Washer-Flat Hardened 3/8
8
EA
18
10B06028
Bolt-Hex 3/8 UNC x 1.75
4
EA
19
40N07000
Nut Lock 7/16-14
6
EA
20
20W07000
Washer-Hardened 7/16
8
EA
21
10B07020
Bolt-Hex 7/16 UNC x 1.25”
4
EA
22
000633
Bushing-Rod
4
EA
23
10B07044
Bolt-Hex 7/16 UNC x 2.75
2
EA
24
10W07000
Washer Flat 7/16
4
EA
4921
- 6X better wear protection on critical engine parts than...
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full...
- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN...
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
- Extra detergents safeguard against friction, corrosion and...
- Advanced friction-fighting additives help maximize...
- Provides performance benefits for high mileage, new and...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
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: ITS-4921
Replacement Service Bulletin Number:
MFR Communication Date: 2012-07-18
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- Obd2 Bluetooth Scanner Lifetime Update: Ediag Elite offers revolutionary Advantage Lifetime Updates with unlimited access to the superior 15 reset service, bidirectional testing and full system diagnostics.The Ediag Elite is an excellent Bluetooth obd2 scanner diagnostic tool ideal for diy's and private car owners
- Bidirectional Control for Quickly Locating Problems: The Bidirectional Scan tool allows you to send commands directly from your smartphone to your vehicle for active testing. This feature helps to quickly narrow down problems such as air conditioning clutches, windows, doors, sunroofs, etc., reducing diagnostic time for mechanics and helping Diy users locate faults more easily. In addition, Ediag Elite provides fault analysis and repair guidance to help you solve problems efficiently.
- 15 Maintenance Resets: The current version introduces 15 popular special features: Oil Reset, Headlight Matching, Bleeding Reset, TPMS Reset, BMS Reset, Gear Box Relearn, Throttle Learning, Injector Coding, SAS Reset and more special functions in system diagnose menu. These functions make it easy for owners to carry out the necessary maintenance and servicing, ensuring that your vehicle stays in top condition, prolonging its service life and preventing common problems and breakdowns. Note: The Special function vary by model& year, Reach us check compatibility.
- Wide Compatibility CANFD & FCA
Autoauth: Compatible with GM, Ford, Toyota, Chrysler, Honda, Mazda, Nissan, Mitsubishi, Hyundai, KIA with standard OBD2 port from 1996 to newer. More car brands and features will be released gradually. Newest Ediag Elite scanner supports CANFD Protocol and FCA cars. Note: Coverage may vary on different vehicle by model& year ,Please contact us to confirm compatibility before purchase. - Perfect for Monitoring The Health of Your Vehicle: Ediag Elite is designed to make vehicle maintenance simple and efficient. With intelligent AutoVIN quick recognition, it is easy to connect to your car without the need for manual input. Real-time data is visualized in a variety of formats, including graphs, numeric, meter displays and clear 4-in-1 data charts, allowing you to effortlessly monitor real-time data. Data logging/reporting is available for playback and further analysis.
- No Annual Fees & 2026 Upgraded CAN FD: Why pay $199/year or more for updates? The 2026 newest Kingbolen K7 obd2 scanner features have been upgraded to Lifetime Updates without subscription fees, saving you significant costs in the long run. K7 scan tool also adds the CAN FD protocol for the latest GM models (2019+), enabling faster data transfer, reducing the risk of undetected errors
- 2026 Newest Top-tier Car Scanner: Kingbolen K7 diagnostic scan tool is equipped with most capabilities for daily repair/maintenance: Wireless diagnosis via Bluetooth, Bidirectional Test, ECU Online/Offline Code, 31+ Resets, PMI for Ford, Lincoln, Mazda, Global version for 100+ brand vehicles and 17 languages, no area limit, FCA AutoAuth
- OE-Level Full Systems Scan Tool: K7 professional diagnostic scanner with Auto Vin can do one-click to scan ECUs on most of vehicles, like pcm, ecm, eps, bcm, tpms, sas, a/c system... to read/clear code, view live data, freeze frame, read ecu info. 4-in-1 data stream graphics can make data viewing more intuitive. Detailed diagnostic reports will help you easily master the car situation as it can be shared by bluetooth or email! Adding workshop information can help your customers to know more
- Bidirectional Test/Active Test & ECU Code: Stop guessing and start fixing. Bidirectional scan tool Kingbolen K7 can perform real active test that can send commands to the vehicle's ECU to drive the actuators to work, like window, rear mirrors, sunroof, door, solenoids, wipers, headlamp, etc, helping you quickly find out bad parts and pinpoint faulty issues. K7 bidirectional scanner will be a good choice to save money and time on car repairs when performing complex maintenance and repair
- 31 Reset Functions: Avoid expensive dealership visits for simple services. Experience tells us that just a small repair service may cost a lot of money. Kingbolen K7 is a professional diagnostic scanner with 31 common maintenance services like Oil /SAS/EPB/TPMS Reset, Battery Matching, ABS Bleeding, Injector Code, etc. It effectively handles most of the car reset and relearning jobs, perfect for experienced DIYers and mechanics. Note: Functions in the menu vary across vehicles. Kindly check the compatibility before purchase
- 【Lifetime Database & Software Updates— No Subscription Fee, No Feature Lock, Save you $399/Y】KINGBOLEN K8 Pro's software can already be permanently upgraded and used for while software of other same price product still needs annual fee of almost $400. K8 pro scanner has packed all capabilities auto technicians would ever need for repair & maintenance services: Added CAN-FD & DOIP protocol, Bluetooth Wireless Diagnosis, Bidirectional Test, ECU Online/Offline Code & Guided Functions for VW, for Audi...34+ Restes, Autoauth for FCA SGW, Larger 4GB+64GB memory, 12600mAh battery, 8'' touch screen with 1280 * 800 Resolution. A Kickstand can allow the tablet to sit at a comfortable angle
- 【Newly Added CAN FD & DOIP Protocol】As Upgrade Version of Kingbolen K8, K8 Pro obd2 scanner supports CANFD and DOIP protocol, which will save you 200+ bucks as no need extra buy for special adapter. CANFD protocol suits for the latest GM(2019-), reducing the risk of undetected errors. The DoIP protocol (comes with DoIp cable) fits for 2017+ BMW(F&G chassis), for Jaguar & Land Rover after 2017, for Volvo after 2018. Plus, K8 Pro's Memory from 2G+32G expanded to 4G+64G, update period extended from 2 years to permanent
- 【34+ Hot Special Functions & V.A.G Guide】KINGBOLEN K8 pro bluetooth obd2 scanner covers almost all common services including Oil Reset, EPB, SAS, BMS Reset, ABS bleed, Throttle Reset, Suspension, Injector Code, Power Balance, Transmission Adaptation, Fuel Trim Learn, HVAC Control Module Calibrate, Language Change, A/F Settings, Stop/Start Reset, Crankshaft Sensor Relearn, TPMS, PMI function and etc. Imagine how much money and time you spend on car maintenance every year? K8 pro car scanner will be a good helper and saver for your car. V.A.G Guided function provides step-by-step guide to work for Volkswagen/Audi/Skoda. Note: Please send us model/year/vin to check compatibility before order
- 【Powerful Bidirectional Test/Active Test & ECU Code】As a bidirectional scan tool, KINGBOLEN K8 pro allows you to request information from a vehicle's ECU or send commands to the vehicle's modules to perform specific tests and functions, such as EVAP Tests, Turn on/off radiator fan, Window/Mirror/Door Lock Test, Pump and Value Tests, Sound horn Test, et. Without using the vehicle control system and dismantling car’s parts, it can quickly and accurately pinpoint the fault causes, simple operation saves time and money
- 【Wireless OE-Level All Systems Diagnostics】Equipped with Bluetooth VCI, you can do car diagnostics out of the car (up to 33F/10M) without being confined to a small space inside the car. Provides the convenience of Auto VIN, K8 pro allowing for easy access and diagnosis of all available modules on a wide range of vehicles, like PCM, ECM, BCM, TPMS, SAS, Fuel System, etc, to perform read/clear codes, view live data, freeze frame, perform active tests, and read ECU info... 12-In-1 Data Stream Graphics make data viewing more intuitive.Diagnostic reports can be shared via QR Code, Bluetooth or email.Built-in Browser and Fault Code Library allows you directly query the fault code when diagnosing
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.