2021 Ram Promaster Suspension problems

Vehicle experienced severe, premature component failures posing direct safety hazards while operating a commercial work van: 1. Parking Brake Seizure (01/25/2025 @ 49,197 miles): The parking brake pivot assembly completely seized, causing the rear brake assembly to lock up and rendering the vehicle unsafe to operate on public roads. Replaced under Invoice #CHCS490962. 2. Catastrophic Transmission & Drivetrain Failure (05/15/2026 @ 66,082 miles): The transmission suffered recurring fluid leaks beginning at 49,197...

While driving, the vehicle experienced a sudden and complete loss of motive power without warning. The driver coasted off the road into a swale and required a tow to an authorized RAM dealer, December 9 2025 to CDJR of Tampa Bay, Tampa FL. The dealer initially indicated the failure was covered under Recall 44A, then changed their position and characterized it as a powertrain warranty repair. Following that repair the vehicle was returned immediately in January 2026 when it would not engage reverse. In May 2026 the...

Vehicle bottomed out and lodged on concrete entering driveway. Thor Scope Ram Promaster 1500 Chassis sits low and Thor installed Cummins Onan generator and 2 Trojan batteries under the chassis, that sit 2 or more inches below the rear axle against the Cummins install guidelines. The generator needs 6 to 8 inches for ventilation according to manual and RV mechanics. Both generator and batteries collocated together coming in contact with road debris, objects, water on roadways may cause critical failure of systems resulting in hazardous conditions (stalling, loss of control, fire, explosion) to drivers.