Vehicles

Fifth Wheel Repair and Body Work Near Placentia, CA

Fifth wheels fail differently than any other RV. The pin box loads the front of the box, the upper deck flexes over the truck bed, and water finds the seams at the front cap radius. We repair delamination, slide mechanisms, roofs and collision damage for Placentia owners at our 35,000 sq ft Yorba Linda shop, about ten minutes away via Imperial Highway.

Why do fifth wheels fail in places other RVs do not?

A fifth wheel hangs a heavy upper deck out over a truck bed and transfers that load through a pin box bolted into the front of a laminated box. Nothing else in the RV world carries load that way, and the failures follow that geometry.

The pin box mounting plate spreads load into the front cap area through a welded or bolted structure tied to the main frame rails. Every launch, stop and driveway transition works that joint, and over time the fasteners loosen, the sealant at the front cap seam opens, and water starts tracking down behind the fiberglass skin.

Once water is behind the skin, the luan or Azdel substrate stops bonding to the fiberglass and you get delamination. On luan cores the plywood swells, softens and turns dark. Azdel does not rot the same way, but the adhesive bond still lets go and the panel bubbles just the same.

Slide corners are the second common origin point. A slide opening cuts a large hole in a stressed laminated wall, so the corners of that opening concentrate stress and crack the sealant line. Placentia owners often notice the wall bubbling above or below a slide long before they find the actual leak path.

What fifth wheel repairs does OCRV Center handle in-shop?

Structure, skin, paint, roof, slides, chassis and interior all happen under one roof at the Yorba Linda facility. That matters on a fifth wheel because a single water intrusion usually damages three or four trades at once and splitting the job wastes weeks.

On the body side we do full sidewall skin replacement, filon and gel coat repair, front and rear cap replacement, crack repair at corner radii, and collision structural work when a coach has been hit or has separated from the pin during a hard stop.

On the systems side we rebuild Schwintek in-wall drive assemblies, replace Lippert through-frame and rack-and-pinion slide rams, reseal roofs in EPDM and TPO with Dicor and Eternabond products, service Dexter axles and Nev-R-Lube bearings, and correct suspension and spring hanger damage.

Interior work follows the structure. If we open a wall to replace substrate, we put the cabinetry, wall board, flooring and trim back the way it left the factory, and we document every layer with photos so an insurance supplement has something real behind it.

How does the estimate and insurance process work?

We write documented photo estimates and bill carriers directly. Most fifth wheel damage is worse than what shows on the surface, so the first number is rarely the final number, and we handle supplements as the teardown reveals what is actually behind the skin.

OCRV Center works direct with Progressive, GEICO, State Farm, AAA SoCal, Mercury, Allstate, American Family, Wawanesa, National General, Foremost and Liberty Mutual among others. We are licensed under California BAR ARD00288521 and EPA CAL000367879.

An RV systems estimate runs $150 and is applied as a credit toward the repair. A one hour diagnostic is $285, also applied as a credit. Body and paint labor is $210 per hour, mechanical and electrical is $260 per hour.

Drop-off and pickup happen at 23281 La Palma Ave in Yorba Linda, a short drive from Placentia. Call (949) 799-3387 to schedule a bay. We stand behind our work.

What is included

  • Sidewall delamination diagnosis and substrate replacement
  • Pin box, king pin and upper deck structural repair
  • Schwintek and Lippert slide mechanism rebuild and alignment
  • EPDM, TPO and fiberglass roof membrane replacement
  • Front and rear cap crack repair, replacement and blending
  • Dexter axle, spring hanger and Nev-R-Lube bearing service
  • Documented photo estimates and insurance supplement handling

How the work runs, step by step

  1. 1

    Intake and moisture mapping

    We walk the coach, meter the sidewalls and roof seams, and map every soft spot before quoting anything.

    Same day, about 60 to 90 minutes

  2. 2

    Documented photo estimate

    You get a written estimate with photos of each damaged area, part numbers and a labor breakdown by trade.

    Usually within 2 business days

  3. 3

    Carrier approval and supplements

    We submit directly to your carrier, then supplement as teardown exposes damage the surface photos could not show.

    Depends on carrier response

  4. 4

    Teardown and structural repair

    Skin comes off, wet substrate and framing come out, and new structure goes in before any cosmetic work starts.

    Typically 4 to 15 shop days

  5. 5

    Skin, paint and seal

    New skin is bonded and clamped, gel coat or paint is blended, and every seam is resealed with butyl and Dicor.

    3 to 8 shop days

  6. 6

    Function test and pickup

    Slides cycled, roof water tested, systems verified, then you pick the coach up at our Yorba Linda facility.

    Final day

Fifth Wheels we repair

Questions we get asked

How do I know if my fifth wheel sidewall is delaminated?
Press flat against the sidewall with your palm and look down the wall in raking sunlight. Ripples, waves or a hollow drum sound where the skin no longer bonds to the substrate mean delamination. On a fifth wheel it usually starts behind the pin box area or at a slide corner and spreads outward from there.
Can you repair a fifth wheel front cap crack without replacing the whole cap?
Often yes. If the crack is confined to the gel coat and the laminate behind it is sound, we grind out the crack, lay in new glass, fair the area and blend the finish. If the crack runs through the structural laminate or radiates from a mounting point, cap replacement is the honest answer and we will say so in the estimate.
Do you work on fifth wheels for owners who live in Placentia?
Yes. Placentia owners are about ten minutes from our Yorba Linda facility via Imperial Highway or the 91. All work is performed in-shop at 23281 La Palma Ave where the full-height bays, paint booth, lift capacity and frame equipment are. Drop the coach off and we will keep you updated through the repair.
How long does a fifth wheel slide-out repair take?
A Schwintek motor and controller replacement can be a two or three day job. A full room rebuild where the floor is soft, the rails are bent and the wall opening is out of square runs one to three weeks depending on parts. We give a realistic turnaround after the room is pulled and measured.

We Can Help! Contact Us Today.

Bring it to the shop and we will assess the damage, document it properly for your insurer, and tell you exactly what the repair involves. Serving Placentia and the surrounding area from our 35,000 square foot facility.

All work performed in-shop. We stand behind our work.