Camper Repair for San Clemente Owners

We use camper as an umbrella for towable and slide-in recreational units: travel trailers, truck campers, pop-up and hybrid campers, and fifth wheels. They share failure modes but not construction, and the construction determines what a repair actually costs.

The core split is laminated versus stick and tin. A laminated unit has a vacuum bonded sandwich wall with a smooth fiberglass exterior. It is lighter, stiffer and looks better, and when it takes on water the layers separate and you are into panel replacement. A stick and tin unit has a wood or aluminum stud frame with corrugated aluminum siding screwed over it. It is uglier, heavier and far cheaper to repair, because you can open a wall, replace two studs and reskin one panel.

Truck campers add a third variable: they live on a truck bed and take road load through four tie down points and a set of jacks. That concentrates stress at the corners in a way a towable never sees, and it is why truck camper repairs so often start at the front overhang or at a jack bracket that has pulled out of the wall.

Owners rarely call about water. They call about a soft floor, a musty smell, a wall that bulges, a ceiling panel that has started to sag, or a window that fogs. Every one of those is water that entered somewhere else and traveled. Water in a camper wall runs down the inside of the skin along framing members, so the visible symptom is almost never above the entry point. It is below it, sometimes by six feet.

Finding the actual entry takes a moisture meter, a careful survey of every penetration, and frequently a hose test with somebody inside watching. We map moisture readings across the wall and floor and mark the boundary of wet material before quoting, because the cost difference between a two foot repair and a full wall is enormous and guessing helps nobody.

Then we are honest about the number. Water damage, delamination and soft spot repair runs $750 to $18,000 and above, and takes five to eighty hours. A single soft spot at the entry door caught early is at the bottom of that band. A rear wall that has been wet for four seasons, with rotted framing, a saturated floor and separated laminate across two panels, is at the top. Both start with the same phone call.

Nearly every camper leak starts on the roof, and specifically at a joint rather than in the middle of the field. The membrane itself, whether EPDM, TPO or a fiberglass one piece, usually outlasts the sealant around the vents, the air conditioner, the antenna, the skylight and the front and rear cap seams. Sealant is a wear item. It chalks, shrinks and cracks under UV, and on the coast that clock runs faster.

A reseal is not caulking over old caulking. We remove the failed sealant back to the substrate, clean the surface, prime where the membrane requires it, and apply self leveling lap sealant on horizontal joints and non-sag sealant on vertical ones. That distinction matters, and it is the most common thing done wrong by owners and general shops.

Full replacement comes into play when the membrane is torn, the decking underneath is soft, or an older rubber roof has degraded past reliable adhesion. That means stripping the old membrane, removing every roof mounted component, replacing wet decking, laying new membrane in adhesive, and reinstalling and resealing every penetration. Roof repair, reseal and full replacement runs $500 to $14,000 across three to seventy hours.

The chassis side of a camper gets ignored until something on it fails at freeway speed. Torsion and leaf axles wear, bearings dry out, electric brake magnets flatten, and the tongue and coupler take fatigue loading every mile you tow. On a trailer that has been backed into a curb or bottomed out on a driveway apron, the tongue is often bent slightly and nobody notices until the coupler stops seating cleanly on the ball.

We service all of it. Tongue, coupler and safety chain work runs $250 to $1,500. Electric brake and axle service runs $300 to $5,000. Tire service and bearing repack runs $250 to $1,200. Bearing repack is the single most neglected item on a towable, and a spun bearing on the I-5 grade takes out a spindle, which converts a two hundred dollar service into a two thousand dollar repair.

Leveling jacks are the other recurring item. Manual scissor jacks bend, electric jacks lose their motor or gearbox, and hydraulic systems leak at the cylinder rod seal or the pump. On truck campers the jack brackets themselves pull out of the wall because the wall structure behind them rotted. Leveling jack service runs $300 to $4,500 depending on system type and whether wall structure has to be rebuilt behind the mount.

Entry doors on campers sag. The door is a light laminate panel on three hinges screwed into a wall that flexes every time the trailer moves, and after enough cycles the hinge screws elongate their holes and the latch stops meeting the strike. The fix is not a longer screw. It is proper backing behind the hinge area and, on units where the frame has spread, resetting the door frame in the opening. Entry and cargo door work runs $350 to $2,500.

Windows are the second most common leak source after the roof. Camper windows seal with butyl tape between the flange and the sidewall, and butyl has a service life. It hardens, the frame screws back out slightly as the wall flexes, and water runs into the wall behind the window rather than down the outside. Window repair and reseal runs $250 to $2,500. Resealing means pulling the window, scraping the old butyl completely, and setting it on fresh tape with new fasteners.

Slide rooms on campers get the same treatment as on a motorhome. Slide out rebuild kits run $750 to $7,500 across four to thirty hours, covering gears, rails, rollers and cable assemblies. If the room floor has gone soft, that becomes a structural rebuild rather than a kit installation, and we will tell you which one you have before quoting.

A lot of owners with a solid chassis and a sound roof would rather renovate than replace, and on a well built fifth wheel or a truck camper that math frequently works. Interior renovation runs $1,500 to $35,000 and above, across fifteen to one hundred fifty hours. That covers cabinetry, countertops, wall panels, ceiling panels, furniture, lighting and flooring.

Flooring and subfloor work runs $500 to $8,500. The distinction between the two is the whole job. Replacing vinyl plank over a sound subfloor is straightforward. Replacing a subfloor means pulling furniture, cabinetry and often a slide room to get to it, cutting the damaged decking out between joists and splicing in new material with proper support at every seam. On a unit where water sat under the floor for years, the frame crossmembers underneath may need attention too.

We are candid about renovation economics. On a fifteen year old entry level travel trailer with a wet rear wall and a soft floor, the repair number will often approach what the unit is worth. On a fifth wheel with good bones or a truck camper with sentimental value and a healthy shell, renovation makes sense. We will give you the real number either way so you can decide with information rather than optimism.

Body and paint labor is posted at $210 per hour. Mechanical and electrical is $260 per hour. Diagnostics run $285 per hour with a one hour minimum that is credited back against an authorized repair. Ranges below reflect jobs we have actually completed.