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Ram 4500 and 5500 rear brake hoses can burst

NHTSA campaign 22V759000 · Reported 2022-10-11 · Chrysler (FCA US, LLC)

critical How serious is it? About this label

Very serious, because a burst hose can take away your brakes with no warning and cause a crash; the notice does not tell owners to park the truck, but get it in as soon as you can and stop driving it if the brake pedal feels soft or a warning light comes on.

What's wrong, in plain English

The rubber hoses that carry brake fluid to the rear brakes on these Ram 4500 and 5500 cab chassis trucks were built with an opening inside that is too narrow. That narrow passage can cause a hose to burst. If a hose bursts, you can lose braking power, which makes it much harder or impossible to stop the truck. The trucks also do not meet the federal safety rule for brake hoses. A dealer will put in new rear brake hoses.

What you should do

1. Enter your VIN at nhtsa.gov/recalls to confirm your truck is included. 2. Call a Ram dealer or FCA US customer service at 1-800-853-1403 and give them recall number ZA5 to schedule the work. 3. Have the rear brake hoses replaced — parts and labor are free.

Affected vehicles (4)

2019 RAM 4500
2019 RAM 5500
2020 RAM 4500
2020 RAM 5500

Who to contact

RAM — official RAM 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

Why do Ram trucks keep getting brake system recalls? · all 11 RAM recalls in this area

Official notice

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Summary: Chrysler (FCA US, LLC) is recalling certain 2019-2020 Ram 4500 and 5500 Cab Chassis vehicles. The rear brake hose inside diameter may be too small, which could cause the hose to rupture. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 106, "Brake Hoses."
Safety risk: A brake hose rupture can cause a loss of braking ability, increasing the risk of a crash.
Remedy: Dealers will replace the rear brake hoses, free of charge. Owner notification letters were mailed April 27, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is ZA5.

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