Section 1: Diagnosis and Troubleshooting
1.1. Symptoms of malfunction
* Slipping or slipping
* Knocks or jolts when shifting gears
*No movement when shifting into gear
* Overheating
* Fluid leaks
1.2. Possible reasons
* Worn or damaged clutches
* Defective solenoids
*Low level or contaminated fluid
* Faulty torque converter
* Mechanical problems
1.3. Diagnostics
* Check the level and condition of the automatic transmission fluid.
* Connect the scanner to the ECU and check for fault codes.
* Check the automatic transmission fluid pressure using a pressure gauge.
* Perform a test cut to check clutches and other internal components.
Section 2: Removal and Disassembly
2.1. Removing the automatic transmission
* Disconnect the battery terminals.
* Drain the automatic transmission fluid.
* Disconnect the drive shafts, wiring harnesses and vacuum hoses.
* Loosen the automatic transmission mounting bolts and lower it using a transmission jack.
2.2. Automatic transmission disassembly
* Remove the automatic transmission pan.
* Disconnect the oil pump and torque converter.
* Remove the hydraulic plate.
* Disassemble the automatic transmission housing into parts.
Section 3: Repair
3.1. Replacing clutches
* Remove old clutches.
* Install new clutches in the correct order and direction.
* Apply sealant to the joints between the clutches and metal discs.
3.2. Replacing solenoids
* Disconnect the solenoid electrical connector.
* Unscrew the solenoid using a suitable tool.
* Install the new solenoid in reverse order.
3.3. Replacing the torque converter
* Remove the torque converter from the automatic transmission input shaft.
* Install the new torque converter using the special tool.
Section 4: Assembly and Installation
4.1. Automatic transmission assembly
* Reassemble the automatic transmission in the reverse order of its disassembly.
* Install the hydraulic plate and oil pump.
* Install the automatic transmission pan.
4.2. Automatic transmission installation
* Raise the automatic transmission into place using a transmission jack.
* Tighten the automatic transmission mounting bolts.
* Connect all necessary wiring harnesses, vacuum hoses and drive shafts.
* Fill with automatic transmission fluid.
Section 5: Setup and Adjustment
5.1. Adjusting the shift cable
*Adjust the shift cable to manufacturer specifications.
*Check gear shifting correctly.
5.2. Automatic transmission adaptation
* Connect the scanner to the automatic transmission ECU.
* Perform the adaptation procedure following the manufacturer’s instructions.
* Check that the automatic transmission is operating correctly.
5.3. Control tests
* Drive the car in various driving conditions.
* Check for leaks, noise or other problems.
*Consult a qualified mechanic if any problems occur.