Car automatic transmission Hyundai Accent 1

Description of the device and steps for repairing a four-speed automatic transmission A4AF2 with a torque converter for a Hyundai Accent of the first generation produced from 1994 to 1999.

Automatic transmission specifications
Type - Automatic four-speed with torque converter and built-in differential A4AF2 Torque converter: Type - With damping clutch Engine speed during braking of the torque...

Troubleshooting recommendations
Recommendations for detecting faults in automatic transmission. Note: The symbol (X) indicates the most likely cause of the fault.

Checking the working fluid level
1. Place the vehicle on a horizontal floor. 2. Before removing the oil dipstick, wipe off any dirt from the area around it. 3. With the gearshift lever in position "P"...

Adjusting the manual control cable
Make sure the manual control cable is adjusted correctly by doing the following: 1. Apply the parking and service brakes. 2. Set the gear shift lever to the "R"...

Displaying diagnostic trouble codes
Connect a voltmeter or scan tool to the diagnostic connector. Clear diagnostic trouble codes. Then perform the corrective action according to the "Diagnostic Trouble...

Gear shift lever positions
C1: Front clutch C2: Rear clutch C3: Termination coupling OWC: One Way Coupling B1: Servo brake B2: Low gear and reverse brake

Two movement programs
The automatic transmission control module stores two vehicle driving programs - "economy" and "powerful" modes. The driver can select the desired mode using the...

Checking oil pressure
1. Warm up the gearbox. 2. Raise the front of the vehicle so that the front wheels can turn. 3. Attach the tachometer to the engine and position it so that it is clearly...

Testing the torque converter
The test consists of determining the critical engine speed with the throttle fully open and the shift lever positions "D" and "R". This test checks the operation of the...

Four-speed automatic transmission controls
Name Designation Pulse generator A, B A Throttle position sensor of the injection system IN Oil temperature sensor 7 Vehicle speed sensor D Data transfer connector E...

Checking the operation of the switch lever
1. Move the selector lever to each position and make sure it moves smoothly and is controlled. Check the alignment with the position indicator. 2. Make sure that the...

Adjusting the gearbox switch
1. Set the gearshift lever to the "N" (neutral) position. 2. Loosen the manual control lever flange nut to release the cable and lever. 3. Set the manual control lever...

Adjusting the downshift servo
1. Completely remove dirt and other contaminants around the servo switch. 2. Remove the snap ring. 3. Loosen the adjusting screw two turns and then finally tighten to a...

Regulating pressure in the main line
1. Drain the fluid from the gearbox. 2. Remove the oil pan. 3. Remove the oil filter. 4. Remove the oil temperature sensor. 5. Press the petal of the solenoid valve...

Oil pressure regulation
In the absence of a scanning device 1. Remove the parts including the oil filter in the same way as when adjusting the line pressure. There is no need to remove the...

Gearbox control mechanism

Gear Shift Lever Assembly

Removal the automatic transmission
1. Remove the drain plug and drain the transmission fluid. 2. Disconnect and remove the air filter. 3. Release the fastening clamps and disconnect the return and supply...

Installation of automatic transmission
1. Attach the torque converter to the transmission side and install the transmission to the engine. Warning: If the torque converter is installed on the engine first,...

Disassembling the automatic transmission
Warnings: Since the automatic transmission consists of precision-made parts, these parts must be handled with extreme care during disassembly and assembly to avoid...

Automatic transmission assembly
Warnings: Do not reuse gaskets, seals and rubber parts. Replace them with new ones each time you disassemble them. The oil dipstick seal ring does not need to be...

Oil pump — disassembly, inspection and assembly
Disassembly and inspection 1. Remove the sealing rings from the oil pump housing. 2. Unscrew the five bolts and remove the shaft support from the housing. 3. Remove the...

Front clutch — device

Rear clutch — device

End coupling — device

Planetary gear — device

Differential — disassembly and assembly
Disassembly 1. Loosen the drive gear mounting bolts and remove it from the differential housing. 2. Using a special tool (09433-21000) remove the bearing. 3. Using a...

Valve box components
1. Pressure control valve 2. Pressure control valve spring 3. Torque converter control valve 4. Torque converter control valve spring 5. Regulating valve 6. Adjusting...

Valve arrangement
Upper valve body Lower valve body

Servo mechanism for downshifting
Assembly 1. Connect the rod and nut to the servo piston. 2. Install two new D-rings (one large and one small) onto the outside surface of the piston, then apply...

Speedometer drive — disassembly and assembly
Disassembly Remove the spring pin and separate the gear and sleeve. Note: Do not reuse the O-ring and spring pin. Assembly 1. Install a new O-ring onto the pinion shaft...

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