The 2004 Monaco Coach Monarch Se has 3 NHTSA recall campaigns affecting an estimated 5,604 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 2 complaints with NHTSA, most often about the service brakes, hydraulic. Last updated July 5, 2026.
Recall campaigns
ENGINE AND ENGINE COOLING06V3610002006-09-192,941 affected
Defect
ON CERTAIN MOTOR HOMES BUILT ON WORKHORSE CHASSIS AND EQUIPPED WITH GM 8.1L V8 ENGINES, IMPROPER HARDENING DURING THE HEAT TREATMENT PROCESS CAN CAUSE THE FUEL RAIL PULSE DAMPER RETAINER CLIP TO FRACTURE, RESULTING IN INADEQUATE RETENTION OF THE DAMPER. IF THE DAMPER BECOMES LOOSE, FUEL COULD BE PUMPED BY THE FUEL…
Consequence
IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD RESULT.
Remedy
WORKHORSE IS HANDLING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN (PLEASE SEE 06V225). DEALERS WILL REPLACE THE FUEL RAIL PULSE DAMPER RETAINER CLIPS ON THESE ENGINES FREE OF CHARGE. OWNERS MAY CONTACT WORKHORSE AT 877-294-6773 OR MONACO AT 1-800-685-6545.
CERTAIN MOTOR HOMES BUILT ON WORKHORSE CHASSIS AND EQUIPPED WITH ACTIA CORPORATE INSTRUMENT CLUSTER FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 101, 'CONTROLS AND DISPLAYS,' AND NO. 105, 'HYDRAULIC AND ELECTRIC BRAKE SYSTEMS.' IF THE BRAKE FAIL INPUT FALLS BELOW A VOLTAGE OF…
Consequence
AT NIGHT THE INSTRUMENT CLUSTER LIGHTS MAY FAIL AND THE DRIVER MAY NOT BE ABLE TO SEE THE INSTRUMENT PANEL GAUGES AND THE BRAKE WARNING LIGHT INDICATOR WHICH COULD INCREASING THE RISK OF A CRASH.
Remedy
WORKHORSE IS CONDUCTING THIS RECALL (PLEASE SEE 04V195000) AND WILL REPROGRAM THE INSTRUMENT PANEL CLUSTER FREE OF CHARGE. OWNERS MAY CONTACT WORKHORSE AT 1-877-246-7731 OR MONACO AT 1-800-685-6545.
ELECTRICAL SYSTEM05V0810002005-03-0181 affected
Defect
ON CERTAIN CLASS A MOTOR HOMES BUILT ON WORKHORSE CHASSIS,THE BATTERY CABLES MAY NOT BE SECURED PROPERLY INSIDE OF THE CHASSIS' FRAME RAIL. THE BATTERY CABLES MAY BE LOCATED TOO NEAR THE ENGINE EXHAUST.
Consequence
THIS COULD POTENTIALLY MELT THE BATTERY CABLE AND CAUSE A BACK FEED THROUGH THE CHASSIS 12V SYSTEM WHICH COULD RESULT IN INJURY OR LOSS.
Remedy
DEALERS WILL INSPECT THE BATTERY CABLE TO SEE IF THE CABLE IS PROPERLY MOUNTED INSIDE OF THE CHASSIS FRAME RAIL. IF NECESSARY, THE BATTERY CABLE WILL BE MOUNTED SECURELY IN EXISTING HOLES IN FRAME RAIL FREE OF CHARGE. THE RECALL BEGAN ON MARCH 18, 2005. OWNERS MAY CONTACT MONACO AT 1-800-685-6545.
Complaints by component
SERVICE BRAKES, HYDRAULIC
2
Total complaints2
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The brakes on my 2004 monaco monarch motorhome experienced a complete failure. On friday july 2, 2010, the friday before the 4th, we were stuck in bumper to bumper traffic. As we inched along I started to hear a squeak, I thought it was coming from my motorhome but couldn't tell for sure. Traffic…”
“Tl* the contact owns a 2004 monaco monarch recreational vehicle. The contact stated received notification of a recall in may 2009. The manufacturer was contacted and stated that the parts needed to perform the recall were not available. On a separate occasion, while driving at speeds of 40 mph,…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2004 Monaco Coach Monarch Se as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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