# Service bulletins for the 2021 Peterbilt 587

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

19 bulletins from NHTSA, as of 2026-10-19.

- [42\-070](/bulletins/11038569.md), 2026-10-17, Service bulletin: UNKNOWN OR OTHER. Due to supplier constraints, an authorized aftermarket surge tank has been made available.
- [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
- [02\-201](/bulletins/11032879.md), 2026-05-20, Service bulletin: STRUCTURE:BODY. This recently published bulletin has been updated to include inspection procedures to assess if a hood is repairable.
- [32\-025](/bulletins/11010926.md), 2024-12-03, Service bulletin: ENGINE. Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting issues. A new Starter Troubleshooting Guide has been created to provide a comprehensive list of starting system checks, which should reduce unnecessary starter replacements and associated warranty claims. Engine starting system warranty claims now require a completed Starter Checklist, a Battery Pack Midtronics Report, and a Cable Drop Midtronics Report. Claims filed without these documents may be denied.
- [7\-700](/bulletins/11009757.md), 2024-11-05, Warranty extension: POWER TRAIN; ENGINE. 7/700 Service Agreement \- Letter Only.
- [E303](/bulletins/10231101.md), 2023-02-06, Service bulletin: ENGINE AND ENGINE COOLING. This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken bypass valve tabs. Broken oil valve tabs can cause oil flow obstruction to critical engine parts, resulting in serious engine damage. Customers that do not receive this repair may be responsible for progressive engine damage caused by broken oil bypass valve tabs.
- [45\-064](/bulletins/10225578.md), 2022-11-02, Service bulletin: ENGINE AND ENGINE COOLING. Info Only \- PACCAR is introducing Over\-the\-Air \(OTA\) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX\-7, and PX\-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.
- [13\-060](/bulletins/10219235.md), 2022-09-06, Service bulletin: SERVICE BRAKES. The service information for Bendix Air Dryer maintenance is being updated to include new procedures.
- [TIB 98\-020](/bulletins/10209705.md), 2022-04-05, Service bulletin: EQUIPMENT. Information Only – New Level 1 required tools are available to support MY21B MX engines.
- [51\-013](/bulletins/10208758.md), 2022-03-04, Service bulletin: EQUIPMENT. Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile Gateway \(PMG001\) will experience severe 3G service degradation as early as January of 2022. Chassis currently utilizing 3G antennas as a primary antenna may experience this degradation.
- [E282](/bulletins/10206066.md), 2022-01-06, Service bulletin: ENGINE AND ENGINE COOLING. Information Only: Due to differences between the PACCAR MX\-11 or MX\-13 2021A and 2021B engines, technicians must be able to identify which of these engines are in a chassis.
- [43\-071](/bulletins/10201965.md), 2021-10-05, Service bulletin: FUEL SYSTEM, DIESEL. Fix\-As\-Fail – Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid \(DEF\) sensors are available. As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a vehicle to continue operation with a failed DEF sensor by disabling the DEF sensor diagnostics.
- [15\-029](/bulletins/10194784.md), 2021-06-02, Service bulletin: STEERING. Information Only \- Power steering reservoir cap may separate during removal when it is pulled upward instead of twisted.
- [02\-160](/bulletins/10188550.md), 2021-03-10, Service bulletin: VISIBILITY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY:WINDSHIELD WIPER/WASHER. Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
- [116\-1](/bulletins/10186168.md), 2021-02-01, Service bulletin: EQUIPMENT. SmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.
- [13\-055](/bulletins/10182219.md), 2020-11-05, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SERVICE BRAKES, AIR. Fix as Fail: Peterbilt has introduced an improved mounting bracket for low mount air tanks for vehicles built between January 01, 2017 and July 06, 2020. Torsional vibration may stress the currently\-installed brackets and cause them to fail near the bottom of the frame rail.
- [02\-158](/bulletins/10179370.md), 2020-09-03, Service bulletin: EQUIPMENT; STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Fix as Fail: Peterbilt has determined that certain model 348, 365, 367, 382, 384, 386, 388, 389, 567, 579, and 587 trucks, built between 4/13/2010 and 3/16/2020 and equipped with a flush mounted battery box, utilized rubber washers that could rub through and cause the aluminum box mounting tabs to rub directly on the steel frame brackets. This could result in cracked battery box mounting angles. Resolution is to add the reinforcement bracket\(s\) to affected vehicles.
- [32\-015](/bulletins/10177021.md), 2020-07-03, Service bulletin: ELECTRICAL SYSTEM. Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
- [43\-067](/bulletins/10177019.md), 2020-07-03, Service bulletin: STRUCTURE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Fix as Fail: For all conventional models, except 387/587, equipped with Side\-of\-Cab \(“SOC”\) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the exhaust stack to rotate and contact the cab or sleeper.

JSON: [/v1/vehicles/2021_peterbilt_587/bulletins](/v1/vehicles/2021_peterbilt_587/bulletins)

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