What people keep running into with mechanical failure
Complaints tagged mechanical failure, each raised by more than one person. One-off posts are not included.
32 recurring problems · 501 people · 11 forums we read
Raised more than once
Most people first.
- 4How to remove a snapped valve adjustment screwA valve adjustment screw can snap off right under the nut with only slight pressure. The remaining bolt often backs out a few threads before stopping completely and refusing to budge, even when twisted with vice grip pliers.
- 4Why does my steering wheel pull or turn by itself?Power steering malfunctions can cause the steering wheel to automatically jerk or pull hard in one direction while the engine is running, making it nearly impossible to steer the other way. This sudden loss of control prevents safe driving and can also cause the steering wheel to shake visibly when let go before pulling to the side.
- 4Front suspension failure without warningVital components like the CV axle and control arm can snap suddenly during normal driving without producing any prior noise or warning signs. This leaves the vehicle completely undrivable on the spot and requires a full inspection and replacement of the front suspension system.
- 3Replacement ball joint loose in control arm boreThe control arm bore where the lower ball joint inserts is worn, stretched, or has stripped threads, which prevents the new ball joint from seating properly or staying secure. This loose fit causes dangerous play in the joint and means the control arm itself must be replaced.
- 3How long before an engine fails with worn cam lobes?Running a high-mileage engine with scored cam lobes and worn roller bearings without a full timing job is essentially rolling the dice on its lifespan. Because the truck is old and rusty, paying for a complete repair often exceeds the vehicle's worth, leaving owners unsure how much time is left before it dies.
- 3Is it safe to drive with a failing torque converter?A failing torque converter can cause a vehicle to suddenly stop moving in either Drive or Reverse without any prior warning signs like vibration, slipping, or weird noises. This leaves drivers questioning whether it is safe to continue driving hundreds of miles on the highway before replacing the vehicle.
- 2Can you swap transmission internals into a new housing instead of welding?Welding a cracked transmission housing carries a high risk of failure and future complications. Instead of risking a weld, you can extract the working internals, clutch pack, and mechatronic unit and transfer everything into a healthy donor case to ensure the repair is done properly.
- 2Why does a newly replaced driveshaft keep failing?A freshly installed driveshaft or U-joint can quickly shake loose or fall apart again during highway driving, leaving the vehicle trapped on the road. This sudden failure stops the car from accelerating smoothly and causes a violent screeching or grinding noise whenever power is applied.
- 2Why does my car suddenly slam on the brakes by itself?Faulty camera warnings can trigger sudden, unprompted emergency braking in traffic, turning the brake pedal completely stiff and forcing drivers to restart the engine. This terrifying glitch risks severe rear-end collisions and leaves motorists stranded without normal vehicle control.
- 2Wheel coming off after getting new tires or brakesWheels can detach completely from a vehicle weeks after having tires mounted or brakes serviced, creating severe driving hazards. Shops often refuse to take responsibility for the dangerous mistake and charge customers extra to fix it.
- 2Is it safe to drive with broken parking brake components?Driving with broken brake components can cause the vehicle to suddenly roll backward on inclines if the foot brake fails to hold. People often question whether they can continue driving while waiting for replacement parts, but failing to fix the issue leaves them relying entirely on emergency brakes when standard stopping power is compromised.
- 2Driving a damaged car when you can't afford the repairsDiscovering you need a massive list of replacement axle and brake parts can quickly result in a two thousand dollar repair bill. Because you do not have the money for a new down payment, you are forced to risk driving the damaged vehicle around town, hoping it will not break down before you can trade it in for cash.
Comes up alongside
Topics that keep appearing on the same problems — not topics with similar names.