2021 Ford Ranger: shudder or vibration when accelerating

Filed Jul 10, 2026 · Transmission · MI

I've had many issue's with this vehicle's transmission: Harsh and erratic shifting. Shuddering when accelerating. Slippage. On several occasions not able to go in reverse. Issue's started at 45k miles. Had it in the shop on several occasions to address problem. I've had to replace faulty transmission at 70k miles. This is a faulty transmission due to incompetent CDF Clutch drum. This is NOT a safe vehicle to operate.

Filed Nov 17, 2025 · Body, Engine · 114,000 miles · MO

The contact owns a 2021 Ford Ranger. The contact stated that while driving at 70 MPH, there was a misfire coming from the engine, and the vehicle shuddered violently. The contact stated that the failure increased while depressing the accelerator pedal. The check engine warning light was illuminated. The service manager at the dealer was contacted and informed the contact that he had remote access to the DTC that was displayed after the failure had occurred. The contact verbally provided the DTC, but the information was not available. The vehicle was not diagnosed or repaired. The contact stated that upon researching the failure online, information related to water leaking into the engine compartment while the vehicle was parked on an incline with the front end facing down, due to the design of the vehicle. The contact stated that the vehicle was routinely parked on an incline in the driveway with the front of the vehicle facing down. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 114,000.

Filed Jun 2, 2025 · Transmission · MN

Transmission needed to be replaced before 50000 miles. Finally got replaced at 53000. New transmission has 11500 miles in it and is having the same problems as before. Dealership couldn’t replicate the problem and Ford is unwilling to help. Truck rough shifts, clunks, and shudders. At times won’t go into gear at lower speeds. Turned a corner at a slow speed and hit the gas but the truck wouldn’t accelerate for 1-2 seconds and I was almost rear ended by the car behind me. Truck has failed to go into gear and accelerate in traffic more than one time. 4 years old with 64xxx miles and in need of a third transmission.

Filed Dec 19, 2024 · Transmission · CO

Increasingly the transmission, when cold, was experiencing difficulty shifting between 3-4-5 and not shifting into 9-10. When the weather started reaching zero degrees overnight, the vehicle was reluctant to move and, once it began moving, would not shift out of 1st. After allowing the vehicle to warm up, it would reluctantly shift from 3-4-5 and then, without any speed reduction, suddenly downshift with a shudder and bang. Vehicle is in the Ford dealer while they preform the TSB related to this universally known problem with the 10R80 transmission. Despite the TSB “approving” significant part replacements, including clutches, modules and converter, the dealer is required to proceed a few steps at a time and then test the vehicle to document the need to replace more components, before proceeding the the TSB. Ford is avoiding what should be a full recall involving providing the dealers with a rebuilt transmission and converter with the dealer’s responsibility only being the replacement of the transmission. Ford’s dealing with this very well know problematic transmission with a TSB is grossly unfair to the dealers and exceedingly unfair to the consumers who eventually bear the financial burden.

Filed Jul 7, 2024 · Transmission · TN

This is what is going on with my 2021 Ford Ranger automatic 10-speed transmission and the vehicle's drivability. When bringing the vehicle to a stop, the shifting down to a 1st gear is often executed so harshly that I can hear the driveshaft ringing in reaction to the transmission hard shift nearly locking the rear wheels. The whole act resembles "slamming" a shifter into a gear without disengaging a clutch that can be achieved on a standard (stick-shift) transmission "bangs" at a full stop feeling like being rear-ended. After a full stop, the take-off is “sluggish” - The truck gets moving in the 1st gear, the engine revs up to 2500 - 3000 RPM the transmission hesitatingly shifts into 3rd (always skipping 2nd), the noticeable sound of ‘gear grinding’ is heard when the 3rd gear is engaging. The whole process usually takes 2 to 3 seconds, the truck would literally "drift" before any noticeable acceleration is achieved. Lastly, since the day days of ownership, in the area around 2K miles and above, the truck, when the gas pedal is “floored” (ea. on the highway), would get a hard "mallet-like: kick with a significant audible, hard knock somewhere in the drivetrain and at times during this even the "explosion-like" could be heard from the engine compartment making the vehicle shudder.