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Mobile RV Repair6 min read

What Is a Pre-Delivery Inspection? (And Why Skipping It Could Cost You Thousands)

BossBros RV

BossBros RV Team

Redding, CA  ·  Northern California

Dealers call it a walk-through. We call it 50+ points of potential problems they didn't catch — or didn't mention. Before you drive that new RV off the lot, here's what a real PDI looks like.

Congratulations — you just bought an RV. After months of research, YouTube rabbit holes, countless dealership visits, and probably a few heated conversations about floor plans, you're finally the proud owner of a rig. It's exciting. It's well-deserved. Now let a professional make sure the dealer didn't hand you someone else's problem.

A Pre-Delivery Inspection — PDI — is a systematic, top-to-bottom inspection of your RV performed by an independent technician before you take possession. Most dealers won't mention it. There's a reason for that.

What a Dealer “Walk-Through” Actually Is

Almost every dealership offers a pre-delivery walk-through. A sales associate shows you how to operate the slide-outs, where the water hookup is, how the awning works. They demonstrate the leveling jacks. Maybe they fire up the appliances.

What they almost never do: a systematic inspection of the roof seams, the electrical system, the plumbing under the floor, the slideout seals, the LP system, the converter output, the battery condition, or the dozens of other components that can have defects fresh from the factory.

Why? Because they've already made the sale.

What a BossBros PDI Actually Is

Our PDI is a 50+ point inspection covering every system on your rig. Here's what we go through:

The inspection checklist

Exterior

Roof seams & seals, exterior caulking, slide seals, all lights, awning, compartment latches, tires & torque

Electrical

Shore power inlet, all 120V & 12V circuits, battery condition, converter/charger output, all outlets, smoke & CO detectors

Plumbing

Fresh, grey & black tank function, water heater, all faucets & drains, toilet seal, water pressure & flow

Appliances

Refrigerator (both AC & LP modes), stove burners, microwave, furnace, AC unit, water heater ignition

Mechanical

Fluid levels, generator service check, leveling system, hitch & fifth-wheel components (if applicable)

Safety

Fire extinguisher, LP gas system leak test, emergency exits, battery disconnect, CO & smoke alarm function

Real Things We've Found on New RVs

“New” doesn't mean “perfect.” RVs are assembled in factories by humans, shipped on trucks, and sat on dealer lots. Here are real examples from PDIs we've done on brand-new units:

  • Roof seam already cracked on delivery — would have leaked through the ceiling the first time it rained
  • Water heater bypass valve left in bypass position — common factory oversight that leaves owners wondering why they have no hot water
  • Shore power cord not properly grounded — a serious code violation
  • Slide-out seal torn from factory — would have caused water intrusion at highway speeds on the first trip
  • LP system with a detectable leak at a fitting — not a major leak, but not something you want near an ignition source
  • Battery delivered below 50% charge and already showing sulfation from sitting too long at the dealer

We find something on nearly every PDI we perform. Not always a major defect — sometimes it's a loose fitting or a miscalibrated thermostat. But the point is: nothing is assumed to be correct just because it's new.

The Cost of Finding It Now vs. Finding It Later

  • A cracked roof seam caught at PDI: sealed in 30 minutes, under warranty
  • A cracked roof seam found after one rainy season: $5,000–$20,000 in delamination and water damage
  • A corroded shore power connection found at PDI: replaced same day
  • An LP leak caught at PDI: fixed under dealer warranty

Dealer warranties cover manufacturing defects — but only if you document them before putting significant miles on the rig. A PDI creates that documentation. Without it, you're arguing with a warranty department about whether the defect existed at delivery or developed later.

Warranty window matters. Most manufacturer warranties on new RVs require defects to be reported within the first 30–90 days. A PDI done at or before delivery ensures you have professional documentation while issues are still clearly covered.

Common Question

The dealer told me they already did their own pre-delivery inspection.

Dealers absolutely do a pre-delivery process — and it's a good-faith effort to catch obvious issues. What it isn't is an independent, systematic, 50-point inspection by a tech whose job doesn't depend on completing the sale. We're not saying dealers are dishonest. We're saying their inspection is different from ours — and on nearly every PDI we've done after a dealer walk-through, we've found something they didn't.

You spent tens of thousands of dollars on your RV. Spending a few hundred to have an independent tech verify it was built and delivered correctly isn't optional — it's just smart. The first trip in your new rig should be exciting, not an expensive lesson in what you should have checked before you left the lot.

BossBros RV

BossBros RV Team

Redding, CA

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