2017 Paccar MX-11

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10235719Canadian Registered Chassis Only, PACCAR MX-13 and MX-11 Fix-As-Fail Notification Fix-As-Fail Per Environment and Climate Change Canada (ECCC) regulations and guidance (Canadian Environmental Protection Act, 1999 (CEPA)), a letter has been provided to owners of Canadian registered chassis that provides a list of emissions components that have been reported (to ECCC) as having a defect.
• 10206081Information Only: Whenever a cylinder head is removed, a service cylinder head gasket must be installed. The production cylinder head gasket included with cylinder head installation kits should be discarded.
• 10201965Fix-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.
• 10199943Emissions Recall - PACCAR MX-13 Engine Model Year 2015B engines require a software update to ensure emissions compliance for On-Board Diagnostic (OBD).
• 10194783Alternative PACCAR Approved Counterbore Tool Availability and new Indicator Block
• 10189958Non-Safety Campaign - In an effort to optimize dash lamp performance, chassis that meet certain lamp time performance criteria have been flagged for repairs.
• 10186757Information Only PACCAR MX-13 and MX-11 Cylinder Head Leak Decay kits are now available. Procedures are available in RMI and supporting SRTs are published.
• 10185920Incorrectly sized bolts may allow the venturri support bracket to vibrate.
• 10179375Information Only: The BPV linkage service repair kits are available for vehicles built with PACCAR MX-13 EPA 2013/2017 or MX-11 EPA2017 engine.
• 10177946Information Only The EGR Cooler sealing caps may deteriorate when used with heated cleaning solution. New caps made of stainless steel are now available as replacement parts.
• 10173583DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number M86-6221-003**(TANK-DEF MEDIUM ASSY) and M86-6222-003**(TANK-DEF LARGE, ASSY). Resolution is to resolve the vibration on the tank cover by adding bottom tank washers.
• 10173212Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.
• 10171992Information Only: Introducing OTA (over the air) software update capability for MX Engines.
• 10169778Information Only This bulletin provides guidance to remind customers that oil change intervals are determined by analyzing a variety of factors.
• 10169703Fix-As-Fail. Vehicle may present with noise emitting from the after-treatment DOC, or with fault codes P3778, P3776, P3807, P3930, P3796, P3936, P3792, P3800, P3799, or P3877.
• 10165589Information Only The coolant pipe connection at the EGR cooler may wear a groove into the EGR cooler. An updated coolant pipe is available to resolve this issue.
• 10165583Information Only This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
• 10161107Fix as Fail: Vehicles may exhibit a leaking exhaust valve guide seal.
• 10161056Information: This document is intended for UL2 aftertreatment diesel exhaust fluid (DEF) systems and outlines how to store individual components with the intent of being reused after storage. Storage time is not to exceed two years.
• 10159675Non Safety Campaign: Update of CECU software to prevent faulty dash lamp indicators.
• 10152533Information: Cummins Filtration secondary fuel filter produced with deformed seal that may allow air into the fuel system.
• 10150747Fix as Fail: Turbo Speed Sensor may set fault codes P2579 or P1581.
• 10144960Fix as Fail: DEF dosing valve inlet screen may become plugged with debris, setting DTC codes P3912, P3857 and/or P3926. Corrosion of the DEF dosing heating element may deteriorate and flake off causing debris to plug the screen.
• 10143634Information only - Automatic DPF Warm up Functionality
• 10143633Information only - DAVIE4 test to diagnose the turbo actuator and evaluate turbo actuator functionality does not work properly with MY2017 RC7 or later software and MY2018 RC2 or later software.
• 10143497Non-Safety Campaign - Installation of sun visor on vehicles built missing this component.
• 10143496Information only - Automatic DPF Warm up Functionality
• 10143495Information only - DAVIE4 test to diagnose the turbo actuator and evaluate turbo actuator functionality does not work properly with MY2017 RC7 or later software and MY2018 RC2 or later software.
• 10138444Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138443Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138442Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138441Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138440Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138439Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138438Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138437Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138436Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10138435Non-Safety Campaign - Replacement of pre-production engine components on Quality Validation Vehicles.
• 10128643Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
• 10127479Information Only ? PACCAR has expanded the powertrain tool list to include special tools required for the new PACCAR and Eaton Endurant Transmissions.

Every Paccar MX-11 model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.