2013 Monaco Diplomat problems, complaints & recalls
Most-reported problem areas: Engine (1)
Safety recalls (2)
Equipment:recreational Vehicle/Trailer 2015-12-23 · campaign 15V872000 · 2,123 vehicles
Defect: Allied Recreation Group, Inc. (ARG) is recalling certain model year 2010-2011 Holiday Rambler Admiral, 2009-2014 Holiday Rambler Ambassador, 2010 Holiday Rambler Arista, 2010-2014 Holiday Rambler Endeavor, 2009-2011 Holiday Rambler Neptune, 2011-2014 Holiday Rambler Vacationer, 2009-2011 Monaco Cayman, 2010-2014 Monaco Diplomat, 2014 Monaco Dynasty, 2009-2014 Monaco Knight, 2012-2013 Monaco LaPalma, 2009-2013 Monaco Monarch, 2009-2011 Monaco Riptide, 2008 Safari Passage, and 2008 Safari Simba mo
Risk: Unstable entry and exit steps increase the risk of injury.
Fix: ARG will notify owners and dealers will install a retainer bracket to reinforce the operating mechanism, free of charge. The recall began on February 12, 2016. Owners may contact ARG customer service number at 1-800-509-3417. ARG's number for this recall is 151216REV.
Electrical System 2013-01-17 · campaign 13V020000 · 7,657 vehicles
Defect: Navistar is recalling certain model year 2012-2013 IC Bus brand model 1300FBC, CE, HC, and RE buses; model year 2011-2013 International brand model Durastar, model year 2013 International brand Workstar trucks; model year 2013 Holiday Rambler brand model Ambassador and Endeavor vehicles; and model year 2013 Monaco brand model Diplomat and Knight vehicles. These vehicles were manufactured August 5, 2010 through September 6, 2012 and are equipped with certain 2011-2013 model year I-6 engines with
Risk: An unexpected engine shut down while driving may increase the risk of a vehicle crash.
Fix: Navistar will notify owners, and dealers will replace the IPR wire connector free of charge. The safety recall began on March 15, 2013. Owners may contact Navistar at 1-800-448-7825.
Service bulletins (21)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-02-05 · IK2600090 · Other
new carb idle reduction change request
Electrical System 2026-02-03 · IK4300035 · Service Bulletin/Repair Instructions
this tool is designed to compare diamond logic feature data across multiple vehicle configuration files. it allows users to quickly load files either manually or directly from the diamond logic builder vehicles folder using vin-based selection. as files are added or removed, the comparison runs auto
Engine 2026-01-26 · IK2600255 · Other
this document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. customer requested changes will be approved in accordance with the requirements specified in 40 cfr part 1037 to ensure continued compliance with green
Engine 2026-01-02 · IK2600047 · Service Bulletin/Repair Instructions
engine replacements for all international engines will need to follow this procedure.
Structure:body 2025-12-19 · IK1600272 · Service Bulletin/Repair Instructions
this document will guide the user through a step-by-step procedure for detecting water leaks in vehicle cabs and windshields using an ultrasonic sound detector.
Power Train 2025-12-05 · IK0600030 · Service Bulletin/Repair Instructions
this document will guide the user through understanding prop shaft codes and understanding the variations of prop codes. (metric prop codes start with the number a 4 and non metric prop codes start with a 2.)
Showing the 6 most recent of 21 bulletins. Search all of them free at nhtsa.gov.
What owners report
2014-09-24 · Engine · 3,500 mi“i was driving up a mountain when a loud bang occurred. engine lost power and could not climb hill/mountain. large amounts of black and white smoke came from the rear of the coach. i was stuck on the side of the mountain for 14 hours before someone could get to us. this is the second time this issue has occurred and is associated with the dpf mil la…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.