The 2019 Chevrolet 5500HD has 3 recalls, the most serious being a brake fluid leak into the brake pressure switch that can cause an electrical short and start a fire while the truck is driving or parked.
The other two recalls both involve rear axle hardware that may not have been properly tightened during assembly. The rear outer wheel lug nuts can loosen over time and allow a wheel to separate from the truck entirely, which creates an obvious crash risk for the vehicle and anything nearby. Separately but in the same area of the truck, the U-bolt nuts that clamp the rear leaf springs to the axle can also back off, letting the axle shift out of alignment. When that happens, the driveshaft can separate from the drivetrain, causing the truck to lose power to the rear wheels and stall unexpectedly in traffic.
At a glance
What can fail
The brake pressure sensor assembly may leak brake fluid into the brake pressure switch, causing an electrical short-circuit.
What the fix does
Dealers will replace the master cylinder pressure sensor and inspect and replace the wire harness if needed, at no cost.
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Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The nuts that secure the rear axle U-bolts may not have been tightened properly and can loosen over time, causing the rear axle to shift out of alignment.
What the fix does
Dealers will inspect the rear axle U-bolt nuts and tighten or replace them as needed to secure the axle properly.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The lug nuts securing the rear outer wheels may not have been properly tightened during installation on the rear axles.
What the fix does
Dealers will inspect the rear outer wheel lug nuts and tighten or replace them as needed, at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
