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Jeep Wrangler rear frame rail rust can loosen seat

NHTSA campaign 18V231000 · Reported 2018-04-12 · Chrysler (FCA US LLC)

medium How serious is it? About this label

Serious in a crash because a rear seat could come loose, but the notice does not tell owners to stop driving, so normal use is fine while you schedule the free inspection.

What's wrong, in plain English

The metal rail that runs under the back of your Jeep can rust. If it rusts badly, the floor under the rear seat gets weaker and the left rear seat mount can work loose. A loose seat is not an obvious problem day to day, but in a crash the back seat could break free from the floor. Dealers check the rail and coat it inside and out with rust protection so the corrosion stops.

What you should do

1. Enter your VIN at nhtsa.gov/recalls to confirm your Jeep is included in recall U27.
2. Call your Chrysler/Jeep dealer, or Chrysler customer service at 1-800-853-1403, and book the inspection.
3. Have the rail inspected and rust-coated as needed - the repair is free.

Affected vehicles (1)

2018 Jeep Wrangler

Who to contact

Jeep — official Jeep recall lookup

Customer service: 1-800-853-1403

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Jeep body, frame and trim recalls: what owners should know · all 8 Jeep recalls in this area

Official notice

Component: STRUCTURE:FRAME AND MEMBERS
Summary: Chrysler (FCA US LLC) is recalling certain 2018 Jeep Wrangler vehicles. The rear under body ladder rail may corrode, possibly reducing the strength of the rear floor pan and causing the left rear seat mount to become loose.
Safety risk: If the floor pan strength is reduced and/or the rear seat mount becomes loose, the rear seat may detach in a crash, increasing the risk of injury.
Remedy: Chrysler will notify owners, and dealers will inspect and, as necessary, coat the interior and exterior of the driver's side rear underbody ladder rail with three-part rust protection. The recall began September 11, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U27.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.