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Body, doors & structure

Jayco Seneca Body problems by year

8 complaints filed with NHTSA about the Jayco Seneca's body, doors & structure. Doors, hoods and latches, frame rust, sunroofs, leaks, trim and structural failures.

Body complaints by model year

YearBody complaintsCrashesInjuriesRecalls
20221000
20201000
20191000
20171000
20140001
20130001
20121000
20082000
20061000

Body recalls

Latest Seneca body complaints

2012 Jayco SenecaBody, doors & structure

Serial Number 7C1HH0109 - Super C cab-over/front-cap-to-coach joint separation, fastener or attachment failures, and associated fiberglass damage. Significant separation has become visibly evident where the Freightliner cab connects to the coach. Where the cab-over section joins the main coach body the full vertical seams on both sides have separated with some areas exceeding 1 inch in depth of separation. The entire vertical seem is now separated showing exposed screw threads, and apparently vacant or damaged...

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fastener holes with few connection points remaining. The horizontal seam on both sides is also visibly separating with fiberglass cracking stemming in multiple directions from the horizontal connection points. These conditions raise concern about possible loosening or failure of the attachment system and further separation during travel, potentially endangering occupants and other motorists. A qualified engineering inspection is needed to determine the cause, structural integrity, and safety of continued operation. Our RV has only 24,117 miles and was not involved in a collision and mileage was primarily highway miles to entertain at football tailgates and horseshows. The visible separation became evident in Sept 2026. Prior separation was masked by seams sealed with sealants that the sun has aged making the separation now visible. The cab over section has significant fiberglass cracking and damage from the related movement. Several photos I took in Sept 2026 demonstrate: - The open vertical body joint with visible joint separation extending the entire vertical seam - Exposed/displaced fasteners and vacant/damaged fastening locations - The overall cab-over/coach geometry showing pressure points evenly distributed both horizontally and vertically on both the passenger and driver sides. - Cracking and joint openings around the cab-over/coach transitions with substantial fiberglass cracking Jayco notified and replied looking into this with no progress

Filed Incident StructureNHTSA 11774476
2022 Jayco SenecaBody, doors & structure

Side entrance do moving open and closed while driving down road in high winds. Door moved ~ 3" from closed position.

Filed Incident StructureNHTSA 11727177
2020 Jayco SenecaBody, doors & structure

The fasteners for the front cap on the motorhome have failed and the front cap is separating from the body of the coach. Safety is an issue because a part of the vehicle is separating from the rest of the coach. We have contacted the dealer where our motorhome was purchased and pictures have been taken. We will be making arrangements for repair with Camping World in Golden, CO. The warning is the sight of the cover on both sides of the unit; the cover is separating from the coach and curling back. Our...

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motorhome is low mileage (18,000 miles and a five year old vehicle). It has been housed in covered storage when not being used so weather and sun have not been a factor. January, 2025 we noticed the problem.

Filed Incident StructureNHTSA 11669620
2019 Jayco SenecaBody, doors & structure

The seems on the can where the truck frame and RV frame come together were needing additional support and in my case support as there was no attempt from side to side swaying on the vertical seems. I had to bolt through the vertical seems with bolts and a piece of metal. Construction had to be done and done by me since I bought the coach used. I also had to reinforce the water tank as it was just sitting on plastic. This plastic was sitting on top of the wiring harness for the truck. It was also sitting on the propane line for the water heater. Could have resulted in a fire. Again since I bought the coach used and dealership told me to go pound sand.

Filed Incident Structure · Unknown or otherNHTSA 11646148
2017 Jayco SenecaBody, doors & structure

The forward over cab section is separating from the primary house box because of extremely poor designed/engineered assembly process. The cheep screws used in production are breaking.

Filed Incident Structure · Unknown or otherNHTSA 11645794
2008 Jayco SenecaBody, doors & structure

I have a 2008 jayco 36m motorhome. I have found a flaw in the way this motorhome was built. The 80 lb propane tank is within 6 in of the rear tire with no protection between. When you get a blow out which I have the tire wraps around the tank and can and in fact did rip off the main line by snapping it off. It even bent the tank, tore off the plastic cover and almost blew up. It's a miracle that it did not kill all of us and wipe out the rv. This is a very dangerous problem. There needs to be a cage around the tank or move it to a safer place. This is share stupidity and I don't think anyone cares!

Filed Incident StructureNHTSA 10882462
2008 Jayco SenecaBody, doors & structure

Tl* the contact owns a 2008 jayco seneca. The contact stated that while driving at approximately 65 mph, the awning functioned independently. The vehicle was not diagnosed or repaired. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 32,000. Updated 06/21/16*lj updated 10/31/2017*js *tr

Filed Incident StructureNHTSA 10853979
2006 Jayco SenecaEngine & coolingBody, doors & structure

Tl*the contact owns a 2006 jayco seneca hd 35gs motor home. The contact stated that the main frame welds have been spliced, which caused the vehicle to dog-track. The slides are not closing correctly and diesel exhaust fumes are entering the vehicle. The failure has left black smut on the walls of the motor home. General motors stated that they will not touch any component of these defects. The contact stated that the vehicle is not under warranty. The engine size, # of cylinders, and powertrain were unknown. The current and failure mileages were 4,800.

Filed Incident Engine and engine cooling · StructureNHTSA 10196216

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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