The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
The worst 2020 Custom Fire Freightliner M2 problems
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Recalls 1
Fuel system, diesel: fuel injection system: fuel rail
- What is wrong
- Custom Fire Apparatus, Inc. (Custom Fire) is recalling certain 2017-2021 Peterbilt 348, Freightliner M2, Kenworth T370, and T880 emergency vehicles equipped with Cummins L9 diesel engines. The sealing washer may not seat correctly in the pilot boreholes, allowing the high-pressure fuel rail assembly to leak.
- Risk
- A fuel leak in the presence of an ignition source increases the risk of a fire.
- Remedy
- Cummins will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed on August 9, 2021. Owners may contact Custom Fire's customer service at 1‑715‑294‑2555.
Recall number 21V620000 · Recall details
Technical service bulletins for the 2020 Custom Fire Freightliner M2 2
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
What 2020 Custom Fire Freightliner M2 owners say
Most recent owner complaints, unedited.
Compare the 2020 Custom Fire Freightliner M2
Other model years
2020
Questions about the 2020 Custom Fire Freightliner M2
Is the 2020 Custom Fire Freightliner M2 reliable?
Owners have filed 1 complaint about the 2020 Custom Fire Freightliner M2, close to a typical Freightliner M2 model year.
What is the most common problem with the 2020 Custom Fire Freightliner M2?
There are not enough complaints to tell.
How many recalls does the 2020 Custom Fire Freightliner M2 have?
1 recall, covering fuel system, diesel.
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