Common automatic transmission problems in Citroen C4
1. Gear slipping
* Difficulty shifting gears or shift delays.
* Clutch sticking resulting in loss of power.
Reasons:
* Wear of friction discs
* Violation of the tightness of the hydraulic unit
* Shift solenoids malfunction
2. Kicks or jerks when switching
* Sharp jolts when changing gears.
* Vibration or knocking noise when shifting.
Reasons:
* Torque converter wear
* Transmission fluid contamination
* Faulty speed sensors
3. Difficulty moving the shift lever
* It is difficult to move the shift lever to the desired position.
* Sensation of wedging or resistance.
Reasons:
* Faulty shift cable
* Damage to the shift link
* Problems with the hydraulic module
4. Increased noise and vibration
* Grinding or humming noise when the gearbox is operating.
* Feeling of vibration when accelerating or braking.
Reasons:
* Bearing wear
*Differential fault
*Low transmission fluid level
5. Transmission fluid leak
* Presence of oil stains under the car.
*Low fluid level in gearbox.
Reasons:
* Damage to gaskets or seals
* Cracks in the gearbox housing
6. No reverse gear
* The transmission does not shift into reverse gear.
Reasons:
* Reverse belt malfunction
* Damage to reverse gears
* Problems with the shift selector
7. Emergency mode
* The gearbox goes into emergency mode and limits operation.
* Display error codes on the dashboard.
Reasons:
*Severe mechanical or electrical faults
* Problems with the electronic control unit (ECU)
* Sensor malfunction
Recommendations for automatic transmission maintenance
* Regular replacement of transmission fluid and filter (every 60,000 km)
* Checking fluid levels and eliminating leaks
* Diagnosis and elimination of problems at an early stage
* Use of original or recommended spare parts
* Avoiding sudden acceleration and braking