NHTSA ID Number: 10194477
Manufacturer Communication Number: CALFTL42-004
Summary
Customer Advisory Letter for Drive Axle Drum Brake S-Cam U-Bolt Replacement.
Models Affected: Model year 2017 through 2022 Freightliner
New Cascadia vehicles manufactured between November 10, 2016 and December 22, 2020 with drive axle drum brakes and intermediate track axles
Our records indicate that you are the owner of a New Cascadia built during the above time period. Therefore DTNA has decided to share the following documentation with you.
Work Instructions
Replace the existing drive axle brake S-cam support U-bolts with new versions provided to you by your DTNA Field Representative as outlined in the following instructions.
1. Park the vehicle on a level surface, shut down the engine, and apply the parking brakes. Chock the tires.
2. Remove and discard the original S-cam support U-bolt. See Fig. 1.
3. Install the new U-bolt provided by your DTNA Field Representative.
4. Torque the nuts to 11 lbf•ft (15 N•m).
5. Document all vehicles retrofitted with the new U-bolt; send this documentation to your DTNA Field Representative.
6 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| FREIGHTLINER | CASCADIA | 2017-2022 |
1 Associated Document
Manufacturer Communications
05/12/2021
CAL FTL 42-004
MC-10194477-0001.pdf 134.634KB
- 5081 S-Cam Brake Spring Tool: The Heavy-duty air brake spring tool is made of quality and robust carbon steel, which is wear-resistant, corrosion-resistant and durable, and can be used with confidence.
- Application:5801 air brake spring tool is suitable for installing and removing brake springs of tractor and trailer, and it is an ideal choice for you to replace brake shoes of various heavy trucks.
- Easy installation: The end of the air brake spring tool is provided with a small hook, which can hook the spring at the end of the J-type ring. Just simply hook the retaining spring loop and press down against the axle without other auxiliary tools.
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- Package includes: 1*heavy duty tractors & trailers air brake spring tool.
- Easily Removes and Replaces the S-Cam Return Spring.
- Ergonomic handle for comfort and strike cap for stubborn springs
- Heat treated material and extra-long shaft
- FUNCTION：This tool is used to install and remove retum springs on commercial trucks and trailers.Unique design cups the return spring to stop it from sliding off and possible injury. The return spring can be removed and installed safely, quickly and easily.
- EASY TO USE：Rotate the S cam - insure that the cam is rotated to seat the rollers are in the lowest position. Slide the Brake Return Spring Tool between the shoe webs over the top roller and hook the top of the return spring below the coil. Push down on the handle and unhook the spring from the pin by pulling back or pushing forward on the handle depending on the direction of the spring opening.
- HIGH QUALITY ： machined from high quality steel and coated with black powder to prevent oxidation and rust and ensure unrivalled long life, extra long handle provides excellent stability.
- NOTE:It Is Nota General Purpose Pry Bar. Do Not Attempt To Rotate The Cam Backwards With Auto Slacks Without Releasing The Pawl.
- 5081 S-Cam Brake Spring Tool: Heavy-duty air brake spring tools made of premium-quality, rugged, corrosion-resistant carbon steel material provide high performance, and their sturdy construction makes them extremely durable and resistant to wear and tear. Provides you higher durability and reliability
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