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NHTSA ID Number: 10194467
Manufacturer Communication Number: CALFTL60-001
Summary
Customer Advisory Letter on Adding HVAC Ducting and Vent for the Upper Bunk
Models Affected: New Cascadia vehicles with a 72-inch raised roof sleeper
General Information
Our records indicate that you are the owner of certain New Cascadia vehicles with a raised roof sleeper cab and an upper bunk, built prior to the release of a factory-installed upper HVAC vent.
These instructions apply to Freightliner New Cascadia vehicles built in model years 2017, 2018, and 2019, and manufactured at the Cleveland or Saltillo manufacturing plants beginning April 18, 2016.
Parts and Tools
See Fig. 1 for a list of parts in this bulletin.
1. Screw-TPG (23-10898-706)
2. Louver (WNA398551)
3. Flex Tubing (ESP 5550017)
4. Screw-SEMS 23-12981-707
5. Cable Tie, Nylon, Black (TYC T120MR)
6. Cable Tie, Nylon (23-09796-509)
7. Adapter, Duct (22-76285-000)
The following tools are required for this procedure:
- Industrial Adhesive
- Sawsall, or equivalent
- T20 and T25 drill bit
- 2-9/16 inch (65 mm) Hole Saw
- 3 inch (76 mm) Hole Saw
Installation Instructions
1. Park the vehicle, shut down the engine, and apply the parking brakes. Chock the tires.
2. Remove the HVAC cabinet ducting by removing the screws at the locations shown. See Fig. 2 .
3. With the ducting removed, slide on the adapter (22-76285-000) and align the bottom edge to the beginning of the mounting tab. See Fig. 3 .
4. Attach the adapter to the ducting. See Fig. 4 .
4.1 Position the adapter on the ducting, and mark the outside edge.
4.2 Measure 1.18 inches (30 mm) from the side and bottom of the mark, then cut an opening using a sawsall, or equivalent.
4.3 Apply industrial strength adhesive to the adapter, then attach the adapter to the ducting. Refer to the adhesive manufacturer’s recommendation for curing time.
5. Locate the area shown in red for the flex ducting pass-through hole. See Fig. 5 .
NOTE: Green areas indicate safe drilling areas. The red outline is the optimal location.
A. The hole should be 2.5 inches (63.5 mm +/-5) in diameter.
B. The ducting pass-through should be located below this fastener.
6. Backdrill up to the cabinet above using a 2-9/16 hole saw. See Fig. 6 .
IMPORTANT: The inner panel may require a larger 3 inch (76 mm) to 3.5 inch (89 mm) hole saw to allow connection of the flex duct to the louver. See Fig. 7 .
7. Measure and locate the mounting hole for the louver (Item B), then drill through the outside panel of the upper cabinet using a 2-9/16 hole saw. See Fig. 8 .
A. Measure 4.3 inches (110 mm +/-5).
B. Measure 9.2 inches (234 mm +/-5).
C. Measure 2.5 inches (63.5 mm +/-5).
8. Install the HVAC cabinet ducting with the attached adapter, using the 4 mounting screws. See Fig. 9.
9. Install the flex ducting using cable ties. See Fig. 10. Trim the flex ducting, as required.
10. Install the louver using 3 screws (23-10898-706).
See Fig. 11, and Fig. 12 for final installation.
SEOCONTENT-START
Warranty
This procedure is warrantable only if the described condition exists and the repair is performed within the
applicable base or extended coverage warranty period. If a failure is not found, this procedure is considered
preventive and warranty does not apply.
Normal warranty applies. See Table 1 for OWL VMRS codes and labor allowance information. Enter this
service bulletin number in the Service Bulletin # field.
OWL VMRS Codes and Labor Allowance
Primary Failed Part Component
Code
Cause Code SRT Code Description Time: Hours
22-73666-000 001-004-005 28 688-5000A DUCT, SLEEPER AUX, INSTALL 2.0
Table 1, OWL VMRS Codes and Labor Allowance
SEOCONTENT-END
3 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| FREIGHTLINER | CASCADIA | 2017-2019 |
1 Associated Document
Manufacturer Communications
06/21/18
CAL FTL 60-001
https://www.nhtsa.gov/recalls?nhtsaId=10194467
MC-10194467-0001.pdf 352.453KB
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