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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

What owners actually said

5 reports
65,000 miles · Jun 6, 2017
Suspension

TL* THE CONTACT OWNS A 2004 MONACO COACH KNIGHT. THE CONTACT STATED THAT THE WELD WAS 3/4 OF THE WAY CRACKED AND RUSTY FOR A LONG TIME. WHILE DRIVING 65 MPH, THE MOTORHOME STARTED TO SWAY EVERY TIME THE BRAKE PEDAL WAS DEPRESSED. THE MOTORHOME WAS TAKEN TO A CHASSIS REPAIR SHOP WHERE IT WAS DIAGNOSED THAT THE REAR TRAILING ARM F…

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TL* THE CONTACT OWNS A 2004 MONACO COACH KNIGHT. THE CONTACT STATED THAT THE WELD WAS 3/4 OF THE WAY CRACKED AND RUSTY FOR A LONG TIME. WHILE DRIVING 65 MPH, THE MOTORHOME STARTED TO SWAY EVERY TIME THE BRAKE PEDAL WAS DEPRESSED. THE MOTORHOME WAS TAKEN TO A CHASSIS REPAIR SHOP WHERE IT WAS DIAGNOSED THAT THE REAR TRAILING ARM FAILED AT THE WELD AND BOTH TRAILING ARMS NEEDED TO BE REPLACED. THE MOTORHOME WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE MOTORHOME WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V038000 (SUSPENSION). THE VIN WAS INVALID. THE APPROXIMATE FAILURE MILEAGE WAS 65,000.

NHTSA ODI #10993522

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

36,102 miles · May 25, 2010
Suspension

TL* THE CONTACT OWNS A 2OO4 MONACO KNIGHT RV. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH, THE VEHICLE EXCESSIVELY VIBRATED. THE CONTACT REDUCED SPEED AND CONTINUED WITH DRIVING WITH CAUTION. WHILE THE VEHICLE WAS PARKED AT THE RESIDENCE , THE CONTACT DETECTED THAT THE REAR AXLE TRAILING ARMS WERE SEVERELY BENT. THE VEH…

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TL* THE CONTACT OWNS A 2OO4 MONACO KNIGHT RV. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH, THE VEHICLE EXCESSIVELY VIBRATED. THE CONTACT REDUCED SPEED AND CONTINUED WITH DRIVING WITH CAUTION. WHILE THE VEHICLE WAS PARKED AT THE RESIDENCE , THE CONTACT DETECTED THAT THE REAR AXLE TRAILING ARMS WERE SEVERELY BENT. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER FOR REPAIR. THE TECHNICIAN STATED BOTH TRAILING ARMS HAD BROKEN AND THE REAR SUSPENSION REQUIRED REPLACEMENT. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CONTACT STATED THAT THERE WAS A RECALL PERTAINING TO THE REAR SUSPENSION ON THE 2005 MONACO KNIGHT RV AND HIS VEHICLE EXPERIENCED THE IDENTICAL SAFETY DEFECT. THE NHTSA CAMPAIGN ID NUMBER WAS UNKNOWN. THE FAILURE MILEAGE WAS 36,102.

NHTSA ODI #10332214

37,000 miles · Mar 9, 2010
Suspension

I AM ORIGINAL OWNER, PURCHASED RV NEW SEPT 2004 FROM FRESNO DEALER. PRIOR TO THE ROAD INCIDENT, I NEVER REC'D OR HAD ANY NOTICE OF ANY RECALL OR PROBS, NOR HAD ANY SYMPTOMS. AFTER ABOUT 3 HRS OF DRIVING FROM THE CENTRAL VALLEY (VISALIA) DOWN I-5 THROUGH LA IN CA ON A REASONABLY FLAT HIGHWAY, I EXPERIENCED A COMPLETE FAILURE OF…

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I AM ORIGINAL OWNER, PURCHASED RV NEW SEPT 2004 FROM FRESNO DEALER. PRIOR TO THE ROAD INCIDENT, I NEVER REC'D OR HAD ANY NOTICE OF ANY RECALL OR PROBS, NOR HAD ANY SYMPTOMS. AFTER ABOUT 3 HRS OF DRIVING FROM THE CENTRAL VALLEY (VISALIA) DOWN I-5 THROUGH LA IN CA ON A REASONABLY FLAT HIGHWAY, I EXPERIENCED A COMPLETE FAILURE OF THE RIGHT REAR TRAILING SUPPORT ARM ON 2004 MONACO KNIGHT, CAUSING WILD, UNCONTROLLED SWERVING INTO LANES ON EACH SIDE AND ROCKING SIDE TO SIDE. THE REACTIONS WERE MADE WORSE WITH BRAKING. THE METAL ARM WAS COMPLETELY FRACTURED. I MANAGED TO AVOID A COLLISION AND LIMP TO A NEARBY SERVICE CENTER TO GET A DIAGNOSIS. IT REMAINS UNREPAIRED WHILE I INVESTIGATE THE CAUSE AND MEANS OF CORRECTION AND REPAIR. *TR

NHTSA ODI #10317932

13,125 miles · Mar 6, 2006
Electrical System

ON A 2004 MONACO KNIGNT MOTOR HOME THE OIL SENDING SENSOR WILL GROUND OUT WHEN IT IS EXPOSED TO MOISTURE. (IE RAIN OR ROAD SPRAY) THIS CAUSES A FALSE WARNING BUZZER TO ACTIVATE. RESPONSIBLE ACTION IS TO PULL TO THE SIDE OF THE ROAD AND ATTEMPT TO DETERMINE THE REASON FOR THE WARNING BUZZER. POSSIBLE HAZARD IS BEING PULLED TO TH…

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ON A 2004 MONACO KNIGNT MOTOR HOME THE OIL SENDING SENSOR WILL GROUND OUT WHEN IT IS EXPOSED TO MOISTURE. (IE RAIN OR ROAD SPRAY) THIS CAUSES A FALSE WARNING BUZZER TO ACTIVATE. RESPONSIBLE ACTION IS TO PULL TO THE SIDE OF THE ROAD AND ATTEMPT TO DETERMINE THE REASON FOR THE WARNING BUZZER. POSSIBLE HAZARD IS BEING PULLED TO THE SIDE OF THE ROAD ON INTERSTATE WHILE MAKING THE DETERMINATION OF THE CAUSE. ANOTHER POSSIBLE PROBLEM IS THE IGNORING OF THE WARNING BUZZER DUE TO IT FREQUENCY ASSUMING THAT IT IS A FALSE SIGNAL WHERE THERE IS A POTENTIAL OF ANY NUMBER OF OTHER CAUSES. THE SENSOR HAS BEEN REPLACED, WIRE CONNECTIONS SILICONE SPRAYED, AND LIQUID TAPE APPLIED. MONACO STATES THAT THIS IS SOMETHING THAT YOU MAY HAVE TO LIVE WITH. CONCERNED OVER SAFETY OF PERSONS BEING EXPOSED TO THE HAZARDS OF STOPPING ON THE HIGHWAY. *JB

NHTSA ODI #10151849

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.