Elite Automotive of C.C. BMW/Mini repair facility
5
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Common symptoms that indicate the transmission is faulty are gears slipping, jerky acceleration, rough idling, and sudden bad fuel consumption. The vehicle’s transmission is extremely complex and can develop failures for many reasons. Still, you can get a clue of what’s the main problem in your transmission by observing the symptoms your vehicle shows.
Cause: Low transmission fluid, a worn-out clutch (manual), or a failing transmission solenoid can cause the gears to slip unexpectedly, leading to a loss of power or a jerking motion.
Delayed or Rough Shifting
Cause: Low fluid levels, worn-out shift solenoids, or a malfunctioning valve body can lead to hard or delayed shifting, making it feel as if the vehicle is struggling to change gears.
Cause: Worn-out gears, a failing clutch, or a malfunctioning transmission bearing can produce grinding, whining, or buzzing noises when the vehicle shifts or accelerates.
Cause: Damaged seals, worn gaskets, or loose bolts can lead to transmission fluid leaks, causing low fluid levels and potential transmission damage.
Check Engine Light or Transmission Warning Light
Cause: This could indicate issues with the transmission control module (TCM), low fluid, or internal transmission problems that need diagnostic attention.
Car Won’t Go into Gear (Manual or Automatic)
Cause: A damaged clutch (manual), low transmission fluid, or a malfunctioning shift linkage can prevent the vehicle from properly engaging gears.
Cause: Overheating of the transmission due to low fluid or excessive slipping can produce a burning smell, signaling that the transmission is under stress.
Cause: A failing torque converter, worn-out motor mounts, or imbalanced driveshaft can cause vibrations when the transmission is in gear.
Sticking or Hesitating When Accelerating
Cause: A dirty or clogged transmission filter, low fluid levels, or a failing transmission control module can cause hesitation or a delay in acceleration.
Can't Reverse
Cause: A damaged reverse gear, low fluid levels, or a malfunctioning transmission control solenoid can prevent the vehicle from going into reverse.