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2004 Monaco Coach Knight

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 5 of 5 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Suspension. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Power Train complaints

1 reports
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30,536 miles · Nov 17, 2012
Power TrainSuspension

AS I PULLED OUT OF THE CAMPGROUND, THE TRAILING ARM ON THE PASSENGER SIDE BROKE ALLOWING THE REAR AXLE TO SLIP FORCING THE MOTORHOME TO VEER SHARPLY TO THE RIGHT. IF I HAD BEEN TRAVELING AT HIGHWAY SPEED RESULTS WOULD HAVE BEEN TOTAL LOSE OF CONTROL. AFTER SEARCHING MONACO BLOGS, I FOUND THIS IS A PROBLEM THAT MONACO HAS KNOWN…

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AS I PULLED OUT OF THE CAMPGROUND, THE TRAILING ARM ON THE PASSENGER SIDE BROKE ALLOWING THE REAR AXLE TO SLIP FORCING THE MOTORHOME TO VEER SHARPLY TO THE RIGHT. IF I HAD BEEN TRAVELING AT HIGHWAY SPEED RESULTS WOULD HAVE BEEN TOTAL LOSE OF CONTROL. AFTER SEARCHING MONACO BLOGS, I FOUND THIS IS A PROBLEM THAT MONACO HAS KNOWN ABOUT FOR YEARS. *TR

NHTSA ODI #10485019

Official recalls

3

04V441000 · Engine And Engine Cooling:engine:diesel

Sep 13, 2004

ON CERTAIN MOTORHOMES EQUIPPED WITH CUMMINS ENGINES, OIL CAN LEAK INTO THE ENGINE COMPARTMENT FROM A CRACK IN THE CUP PLUG.

Consequence & remedy

Consequence: OIL LEAKAGE ON A HOT ENGINE CAN RESULT IN AN ENGINE COMPARTMENT FIRE, POSSIBLY RESULTING IN INJURIES.

Remedy: CUMMINS IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. CUMMINS WILL INSTALL A STEEL CUP PLUG BOSS CAP TO ALL AFFECTED ENGINES. OWNERS SHOULD CONTACT CUMMINS CUSTOMER ASSISTANCE CENTER AT 1-800-343-7357 OR MONACO AT 1-800-685-6545.

04V038000 · Suspension:front

Jan 28, 2004

ON CERTAIN MOTORHOMES, THE I-BEAM LEAF IMITATOR IN THE FRONT AXLE SUSPENSION COULD CRACK AND BREAK DUE TO AN INADEQUATE WELDING PROCESS.

Consequence & remedy

Consequence: THE I-BEAMS ON THE FRONT AXLE AND THE PANARD BRACKET ON THE REAR AXLE COULD CRACK AND BREAK CAUSING THE DRIVER TO LOSE CONTROL OF THE VEHICLE INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE ORIGINAL I-BEAM. ALSO, DEALERS WILL WELD THE STIFFENERS FROM THE PANARD BAR BRACKET TO THE CENTER DIFFERENTIAL OF THE REAR AXLE HOUSING. OWNER NOTIFICATION BEGAN MARCH 1, 2004. OWNERS SHOULD CONTACT MONACO AT 1-877-466-6226.

03V360000 · Service Brakes, Air:supply:hoses, Lines/piping, And Fittings

Oct 1, 2003

ON CERTAIN MOTORHOMES CERTIFICATION TAGS WERE OMITTED ON THE CLOTH COVERED FRONT AND REAR BRAKE LINE ASSEMBLIES.

Consequence & remedy

Consequence: THIS DOES NOT COMPLY WITH THE STANDARD.

Remedy: DEALERS WILL INSTALL NEW FRONT AND REAR CLOTH COVERED BRAKE LINES THAT HAVE THE REQUIRED CERTIFICATION TAGS. OWNER NOTIFICATION BEGAN OCTOBER 20, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MONACO AT 1-877-466-6226.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.