General Description of Automatic Transmission Note: - The type of automatic transmission is stamped on an aluminum plate located in the engine compartment, in the line marked TRANS / AXLE. - Operation of the automatic transmission, replacement of fluids in the...
Preliminary checks Checking and adjusting the automatic transmission control rod 1. When switching the selector from position "N" to other positions, check that the selector moves evenly and that the indicator indicates the selected...
Automatic transmission diagnostics Note: Malfunctions that occur in the gearbox can be associated either with the engine, or with the control system, or with the gearbox itself. Therefore, before starting the check, it is necessary to determine the area...
Self-diagnosis system (A140E, A540N) General information 1. The self-diagnosis function is built into the automatic transmission electronic control unit. With the help of the overdrive off indicator, the system can warn the driver of a malfunction in the...
Troubleshooting automatic transmission Note (A540N): in case of simultaneous failure of two speed sensors (front and rear output shafts of the gearbox) no fault code will appear and the self-diagnosis system will not work. However, in the selector position...
Checking the elements of the electrical part of the control system 1. Check the voltage at the terminals of the automatic transmission control unit connector. A) Remove the center panel. b) Turn on the ignition. V) Measure the voltage at each terminal of the automatic transmission and...
Test on a fully braked car (stall test) This test checks the performance of the gearbox and engine by measuring the speed at maximum load on the ranges "D" And "R". Note: The check should be carried out at the operating temperature of the automatic...
Checking the transfer time If, with the engine idling, move the selector to the position "D" or "R", then it will take some time until you feel a slight push. By the magnitude of this delay, one can judge the serviceability of the forward clutch,...
Hydraulic test Main line pressure check 1. Preparation: A) Warm up the transmission fluid to operating temperature (50 - 80°C). b) Unscrew the plug and connect a pressure gauge in its place. Attention: the pressure test should always...
Center Differential Lock Clutch Test (A540N) 1. Preparation: A) Warm up the automatic transmission fluid to operating temperature (50-80°C). b) Unscrew the service plug of the gearbox housing and connect a pressure gauge in its place. Attention: carry out the...
Road test Note: before starting the test, warm up the automatic transmission fluid to a temperature of 50-80°C. Range check "D" Translate the selector to a range "D" and fully depress the accelerator pedal. 1. Check the presence...
Selector and ignition key blocking system Checking the selector lock 1. Turn the ignition key to position "ON". 2. Move the selector to position "R" and release the selector lock. 3. Make sure the selector is locked in this position. 4. Keeping a brake pedal...
Replacement of power shaft seals Removing 1. Remove the left and right drive shafts (see chapter " Front drive shafts - removal "). 4. Remove the left and right drive shaft seals using a puller. Installation 1. Install the left drive shaft seal. A)...
Replacing the cardan shaft seal (A540N) 1. Drain the oil from the transfer case. 2. Remove cardan shaft. 3. Using a puller, remove the cardan shaft seal. Drive shafts. 1 - side protective cover No. 1, 2 - tie rod end, 3 - support, 4 - bracket, 5 - side...
Start inhibit switch Removing Note: Install in the reverse order of removal. Carry out a road test after installation. 1. Remove the start inhibit switch lever. A) Loosen the nut and remove the automatic transmission control rod. Nut...
Filter replacement 1. Unscrew the drain plug and drain the working fluid into a suitable container. Installation tightening torque - 49 Nm 2. Turn away bolts of fastening of the pallet. Attention: Some liquid always remains in the sump....
Throttle control cable Removing Note: install in the reverse order of removal. 1. Disconnect the throttle control cable. A) Disconnect the cable from the throttle sector. b) Disconnect the cable from the clamps on the engine. Installation...
Gearbox assembly Note: remove and install as shown in the figure "Gearbox assembly" (see below). Gearbox assembly. 1 - cotter pin, 2 - nut stopper, 3 - speed sensor (ABS), 4, 5 - air filter assembly, 6, 8 - right drive shaft, 7 - cotter...
Checking the torque converter and torque converter drive plate 1. If the automatic transmission fluid is contaminated, flush the torque converter and fluid cooler. 2. Checking the freewheel. A) Install the slot tool into the inner race of the freewheel. b) Install the slot tool so...
Transfer case (A540N) Attention: in order to avoid damage to the transmission components, for 4WD models it is forbidden to tow by partial loading (lifting only one of the vehicle axles). 4WD vehicles have permanent all-wheel drive, the...