CarRecallWatchThe 2020 Western Star 4700 has 12 safety recalls on file with NHTSA.
Owners have filed 2 complaints with NHTSA.
The most-reported problem area is Forward Collision Avoidance (2 reports).
2020 Western Star 4700 recalls
Incompatible tires can reduce grip and raise crash risk
Certain heavy trucks are equipped with tires that are not compatible with their 8.25-inch rims.
Incorrect Axle Weight Label May Allow Overloading and Crash Risk
The Federal Certification Label on certain heavy trucks lists an incorrect Gross Axle Weight Rating (GAWR).
Fuel Tubes May Crack and Leak, Creating Fire Risk
Certain diesel trucks may have fuel tubes between the fuel rail and the injectors for cylinders four, five, and six that can fatigue and crack over time.
Unapproved tires and rims can raise crash risk
Certain heavy-duty trucks were built or equipped with tires and rims that are not approved or rated for the vehicle by the Tire and Rim Association or the tire manufacturer.
Fuel Leak Can Cause Fire in Diesel Trucks
Certain diesel trucks may have a sealing washer that does not seat correctly where the high pressure fuel rail connects, which can let fuel leak from the fuel rail assembly.
Wiring Can Melt and Stall Engine, Raising Crash Risk
Certain 2019-2021 heavy-duty trucks have ground harness wiring that may be undersized.
Incorrect axle weight label could lead to overloading and crash risk
The vehicle certification label on these trucks lists a Gross Axle Weight Rating (GAWR) that is higher than the capacity of the tires.
Suspension Bolts May Separate, Posing Crash Risk
Certain heavy trucks with SL2065 steerable lift axles may have lower rear pivot cap screws that are too short to fully engage their locking nuts.
Wiring Fault Can Melt Connector and Stall Engine
A wire in the ground harness may be undersized, which can lead to a melted connector in the ground circuit.
Incorrect weight rating label may lead to overloading and crash risk
Certain heavy-duty trucks built by Daimler Trucks North America have a certification label that may list an incorrect Gross Axle Weight Rating (GAWR).
Loose Brake Caliper Bolts Can Reduce Braking
Some 2019 Freightliner Custom Chassis vehicles equipped with air disc brakes may have brake caliper mounting bolts that were not tightened enough during assembly.
Steering Shaft May Disconnect, Causing Loss of Steering Control
Certain 2020 Western Star 4700 trucks may have a steering shaft that was improperly installed.
Most common 2020 Western Star 4700 problems
Problem areas named in the 2 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Forward Collision Avoidance | 2 |
| Electrical System | 1 |
| Engine | 1 |
| Steering | 1 |
| Service Brakes | 1 |
What owners report
What component or system failed or malfunctioned, and is it available for inspection upon request? - Automated emergency breaking ABS Forward collision warning, potentially others. Unsure if the vehicle is available for inspection due to insurance claim. How was your safety or the safety of others put at risk? Collision mitigation system error. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? Police and Insurance representative. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? Yes, vehicle was sent to a certified manufacturer maintenance partner for ac
Western Star utilizes relay in master power distribution, they call PNDB. When this device is faulty it interrupts the power to engine causing truck engine to shut down. This shut down has happened with the truck fully loaded (71,000 LBS) traveling at 60 mph a couple of times. With no engine power you lose power steering. This is a very dangerous condition that I have discovered is more common than it should be. Talk to any Western Star service department. The Service Department knew exactly what the problem was and related to me this is common.
2020 Western Star 4700 questions
Does the 2020 Western Star 4700 have any recalls?
Yes. NHTSA lists 12 safety recalls for the 2020 Western Star 4700: Incompatible tires can reduce grip and raise crash risk; Incorrect Axle Weight Label May Allow Overloading and Crash Risk; Fuel Tubes May Crack and Leak, Creating Fire Risk; Unapproved tires and rims can raise crash risk; Fuel Leak Can Cause Fire in Diesel Trucks. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2020 Western Star 4700?
Based on 2 owner complaints filed with NHTSA, the most-reported problem areas are Forward Collision Avoidance (2), Electrical System (1), Engine (1).
How do I check if a recall on my 2020 Western Star 4700 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.