Possible reasons for automatic transmission slipping during acceleration:
1. Low level or poor condition of transmission fluid:
* Check the fluid level and condition.
* Replace fluid and filter if necessary.
2. Worn or damaged friction linings:
* As the clutches wear out, the automatic transmission may begin to slip.
* Requires transmission overhaul and clutch replacement.
3. Faulty torque converter:
* The torque converter converts engine energy and sends it to the transmission.
* A faulty torque converter can cause slipping.
* The torque converter needs to be replaced.
4. Faulty solenoids or valves:
* Solenoids and valves control the flow of fluid in the automatic transmission.
* Faulty solenoids or valves can cause improper shifting and slipping.
* Requires repair or replacement of associated solenoids or valves.
5. Faulty Transmission Control Unit (TCU):
* TCU controls the operation of the automatic transmission.
* A faulty TCU may send incorrect signals, causing slipping.
*TCU repair or replacement required.
6. Clogged oil filter:
* A clogged oil filter restricts the flow of fluid in the automatic transmission.
* Oil filter needs to be replaced.
7. Slipper clutch (in dual clutch gearboxes):
* The clutch transmits power from the engine to the gearbox.
* A slipping clutch can cause slipping.
* Clutch replacement required.
8. Other mechanical faults:
* Worn bearings or gears can cause slipping.
* Requires transmission overhaul and replacement of damaged parts.