The worst 2020 Peterbilt 348 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 5
Steering: critical fasteners
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.
- Risk
- Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
- Remedy
- Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1‑425‑828‑5888 and Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 22 PBB and 22 KWB.
Recall number 22V277000 · Recall details
Fuel system, diesel: fuel injection system: fuel rail
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, 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
- Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1‑425‑828‑5888 (Kenworth) or 1‑940‑591‑4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.
Recall number 21V391000 · Recall details
Power train: axle assembly
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough to sufficiently engage the locking feature of the corresponding nuts.
- Risk
- The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.
- Remedy
- PACCAR will notify owners, and dealers will inspect suspect chassis and replace the pivot bolts, as necessary, free of charge. The recall began September 29, 2020. Owners may contact Kenworth customer service at 1‑425‑828‑5888 and Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall is 20PBE and 20KWC.
Recall number 20V506000 · Recall details
Power train: axle assembly: axle shaft
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T800, T880 and W990 and Peterbilt 348, 367, 389, 520, and 567 vehicles. The forward rear axle output shafts may have been improperly heat treated during manufacturing, possibly resulting in the shafts fracturing.
- Risk
- If the rear axle output shaft fractures, the shaft or interaxle driveline could detach and become a road hazard, increasing the risk of a crash.
- Remedy
- PACCAR will notify owners, and dealers will inspect and replace the output shafts, as necessary, free of charge. The recall began February 19, 2020. Owners may contact Kenworth customer service at 1‑425‑828‑5888 or Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 19KWE and 19PBG.
Recall number 19V911000 · Recall details
Steering: column
- What is wrong
- PACCAR Incorporated (PACCAR) is recalling certain 2019-2020 Peterbilt 337 and 348 vehicles. An incorrectly located weld in the steering shaft may crack and cause the lower shaft within the steering column to separate from the mating yoke.
- Risk
- If the steering column separates from the mating yoke, loss of steering control can occur, increasing the risk of a crash.
- Remedy
- PACCAR has notified owners, and dealers will inspect and replace the steering column, if necessary, free of charge. The recall began August 30, 2019. Owners may contact PACCAR customer service at 1-940-591-422. PACCAR's number for this recall is 19PBD.
Recall number 19V618000 · Recall details
Technical service bulletins for the 2020 Peterbilt 348 35
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting...
- Fix As Fail The height control valve (HCV) rod on vehicles with low air leaf suspensions is prone to...
- Fix As Fail – Chassis that were manufactured with certain battery cable routing brackets may experience...
- Info Only
- Fix-As-Fail On certain chassis with Low Air Leaf Suspension or Low-Low Air Leaf Suspension, the Height...
- The service information for Bendix Air Dryer maintenance is being updated to include new procedures.
- Fix-As-Fail â A hill start assist (HSA) valve plumbing revision eliminates ice buildup in the HSA valve...
- Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet...
- Information Only: âAn improved procedure has been developed for servicing the fuel filter on model 348...
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Questions about the 2020 Peterbilt 348
Is the 2020 Peterbilt 348 reliable?
Owners have filed 0 complaints about the 2020 Peterbilt 348.
What is the most common problem with the 2020 Peterbilt 348?
There are not enough complaints to tell.
How many recalls does the 2020 Peterbilt 348 have?
5 recalls, covering steering, fuel system, diesel and power train.
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