IllustrationWHEN DRIVING AT NIGHT CONSUMER IS NOT ABLE TO SEE THE INSTRUMENTS ON THE DASHBOARD DUE TO POOR DESIGN AND THE WAY IT REFLECTS IN THE WINDOW. DEALER URGES CONSUMER NOT TO DRIVE AT NIGHT. *AK *MR
2003 Holiday Rambler Neptune
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Neptune years →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: 4 of 4 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.
- Service Brakes, Hydraulic. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. 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
Structure complaints
1 reportsOfficial recalls
405V053000 · Suspension:rear:springs:leaf Spring Assembly
Feb 14, 2005
ON CERTAIN CLASS A MOTOR HOMES, THE SPACER PLATE UNDER THE TRAILING ARMS HAD A TRANSVERSE WELD WHICH CREATES A HEAT RISER AND CAUSE THE TRAILING ARMS TO CRACK.
Consequence & remedy
Consequence: THIS COULD CREATE ROUGH DRIVING CONDITIONS AND DAMAGE TO REAR SUSPENSION SYSTEM. THE DRIVER COULD LOOSE CONTROL OF THE MOTORHOME AND A CRASH COULD OCCUR WITHOUT PRIOR NOTICE.
Remedy: DEALERS WILL INSPECT THE REPLACE THE TRAILING ARMS FOR CRACKS AND REPLACING THE TRAILING ARMS AND U-BOLTS IN THE REAR SUSPENSION OF THE MOTORHOMES FREE OF CHARGE. THE RECALL BEGAN ON MARCH 29, 2005. OWNERS MAY CONTACT 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.
03V267000 · Electrical SYSTEM:12V/24V/48V Battery:cables
Jul 28, 2003
ON CERTAIN MOTOR HOMES, THE BATTERY CABLE THAT IS ATTACHED TO THE CIRCUIT BREAKER IS ROUTED TOO CLOSE TO THE FRAME OF THE COACH.
Consequence & remedy
Consequence: THIS COULD RESULT IN THE CABLE BECOMING WORN AND CREATING AN ELECTRICAL SHORT IN THE 12-VOLT SYSTEM THAT COULD DAMAGE THE BATTERY AND/OR CIRCUIT BREAKER.
Remedy: DEALERS WILL ROTATE THE EYELET ON THE CIRCUIT BREAKER TO ELIMINATE THE POSSIBILITY OF THE CABLE RUBBING ON THE FRAME. OWNER NOTIFICATION BEGAN AUGUST 22, 2003. OWNERS SHOULD CONTACT MONACO AT 1-800-685-6545.
02V278000 · Service Brakes, Hydraulic:foundation Components
Oct 22, 2002
ON CERTAIN MOTOR HOMES, THE BRAKE ASSEMBLIES EXHIBIT ELEVATED TEMPERATURES THAT CAN LEAD TO CATASTROPHIC DETERIORATION OF THE WHEEL END COMPONENTS SUCH AS BEARINGS, RACES, SPINDLES, KNUCKLES, SEALS, HUBS, ROTORS, PATCH BOLTS, CALIPERS, BRAKE PADS, AND ABS SENSORS.
Consequence & remedy
Consequence: THIS COULD RESULT IN LOSS OF CONTROL, AND/OR THE POTENTIAL FOR A FIRE.
Remedy: DEALERS WILL INSPECT THE FRONT AND REAR BRAKE CALIPERS FOR CORROSION AND REPLACE OR REBUILD THE CALIPERS AS NECESSARY. THE RECALL BEGAN ON AUGUST 18, 2004. OWNERS SHOULD CONTACT MONACO AT 1-800-685-6545.
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
0No exact-year investigations in this snapshot.