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.
Specifications of automatic transmission Type - Automatic four-speed with torque converter and built-in differential A4AF2 Torque converter: Type - With damping clutch Engine speed when braking the turbine...
Recommendations for fault detection Recommendations for detecting faults in an automatic transmission. Note: symbol (X) indicates the most likely cause of the problem.
Checking the fluid level 1. Park the vehicle on a level floor. 2. Before removing the oil dipstick, wipe the area around it from dirt. 3. After setting the shift lever, transfer to the position...
Hand cable adjustment Verify that the manual control cable is properly adjusted by doing the following: 1. Apply the parking and service brakes. 2. Set the shift lever to the position "R". 3....
Output of diagnostic trouble codes Attach a voltmeter or scan tool to the diagnostic socket. Read diagnostic trouble codes. Then carry out corrective work in accordance with the list "Diagnostic Trouble...
Gear lever positions C1: Front clutch C2: Rear clutch C3: Termination OWC: One-Way Clutch Q1: Servo brake Q2: Low gear and reverse brake
Two driving programs The automatic transmission control module stores two vehicle driving programs - on "economical" And "powerful" modes. The driver can select the desired mode via the...
Oil pressure check 1. Warm up the transmission. 2. Raise the front of the vehicle so that the front wheels can turn. 3. Attach a tachometer to the engine and position it so that it is...
Torque converter test The test consists of determining the critical engine speed at full throttle and shift lever positions "D" And "R". This test tests the operation of the torque converter...
Four-speed automatic transmission controls Name Designation Pulse generator A, B A Injection Throttle Position Sensor IN Oil temperature sensor 7 Vehicle speed sensor D Data connector E Switch "economy /...
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 compliance with position indicator. 2. Make sure the switch lever...
Gear switch adjustment 1. Set the gearshift lever to the position "N" (neutral). 2. Loosen the hand lever flange nut to release the cable and lever. 3. Set the manual control lever to position...
Adjustment of the downshift servo mechanism 1. Completely remove dirt and other contaminants around the servo switch. 2. Remove the circlip. 3. Loosen the adjusting screw two turns and then finally tighten to 5...
Line pressure regulation 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 solenoid valve wiring o-ring tab...
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. The valve body does not need to...
Removing the automatic transmission 1. Remove the drain plug and drain the transmission fluid. 2. Disconnect and remove the air filter. 3. Release the mounting clips and disconnect the return and supply...
Automatic transmission installation 1. Attach the torque converter on the side of the gearbox and install the gearbox on the engine. Warning. If the torque converter is first installed on the engine, the...
Disassembly of the automatic transmission Warnings: Since the automatic transmission is made up of precision-manufactured parts, these parts must be handled with great care during disassembly and reassembly to...
Assembling the automatic transmission Warnings: Do not reuse gaskets, seals and rubber parts. Replace them with new ones each time you disassemble them. The O-ring for the oil dipstick does not need to be...
Oil pump — disassembly, inspection and assembly Disassembly and inspection 1. Remove the O-rings from the oil pump housing. 2. Remove the five bolts and remove the shaft support from the housing. 3. Remove the oil...
Differential — disassembly and assembly Disassembly 1. Turn away bolts of fastening of a leading cogwheel and remove it from the case of differential. 2. Using a special tool (09433-21000) remove the bearing....
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. Regulating...
Downshift servo mechanism Assembly 1. Connect the stem and nut to the servo piston. 2. Install two new D-rings (one big and one small) on the outer surface of the piston, then apply automatic...
Speedometer drive — disassembly and assembly Disassembly Remove the spring pin and separate the gear and bushing. Note: Do not reuse O-ring and spring pin. Assembly 1. Install a new o-ring on the gear shaft and...