The 2004 Holiday Rambler Ambassador has 4 NHTSA recall campaigns affecting an estimated 3,729 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the structure. Last updated July 5, 2026.
Recall campaigns
ENGINE AND ENGINE COOLING04V4410002004-09-131,189 affected
Defect
ON CERTAIN MOTORHOMES EQUIPPED WITH CUMMINS ENGINES, OIL CAN LEAK INTO THE ENGINE COMPARTMENT FROM A CRACK IN THE CUP PLUG.
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.
SEAT BELTS04V0800002004-02-17358 affected
Defect
CERTAIN MOTORHOMES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 207, "SEATING SYSTEMS," AND NO. 210 "SEAT BELT ASSEMBLY ANCHORAGES." THE SEAT BELT ANCHORAGE BOLTS CAN FAIL.
Consequence
THE SEAT BELT BUCKLE ANCHORAGE CAN SEPARATE FROM THE SEAT FRAME, WHICH COULD RESULT IN A CRASH.
Remedy
DEALERS WILL INSPECT THE BELT LATCH BOLT AND INSTALL A BUSHING AND A GRADE 5 BOLT. OWNER NOTIFICATION BEGAN MARCH 8, 2004. 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 1-800-685-6545 OR…
SUSPENSION04V0380002004-01-282,156 affected
Defect
ON CERTAIN MOTORHOMES, THE I-BEAM LEAF IMITATOR IN THE FRONT AXLE SUSPENSION COULD CRACK AND BREAK DUE TO AN INADEQUATE WELDING PROCESS.
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.
SERVICE BRAKES, AIR03V3600002003-10-0126 affected
Defect
ON CERTAIN MOTORHOMES CERTIFICATION TAGS WERE OMITTED ON THE CLOTH COVERED FRONT AND REAR BRAKE LINE ASSEMBLIES.
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…
Complaints by component
STRUCTURE:FRAME AND MEMBERS
1
SUSPENSION:FRONT
1
SUSPENSION:REAR
1
Total complaints3
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Tl*the contact owns a 2004 holiday ambassador. The contact noticed that the vehicles trailer arm had fractured similar to nhtsa campaign id number:04v038000 ( suspension:front). The contact did not inform the dealer of the failure. The manufacturer was informed; however, they did not provide any…”
“Trailing arm failure on my 2004 holiday rambler ambassador. *tr”
“Hr ambassador 2004 38 foot roadmaster chassis. Frame inspection completed at kaiser brake and alignment today. They found a 3/8 inch crack in each trailing arm just above the shim between the axel and the arm. The tech said this is an on going problem with this 4 bag configuration. Monaco has a…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2004 Holiday Rambler Ambassador as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.