Automatic transmission of the car Land Rover Discovery 1
Automatic transmission — description
Description Automatic transmission ZF4 HP22, four-speed, with a final overdrive. The gear selector has seven positions: P - mechanical locking of the output shaft. R - reverse gear engaged. N -...
Description Automatic transmission ZF4 HP22, four-speed, with a final overdrive. The gear selector has seven positions: P - mechanical locking of the output shaft. R - reverse gear engaged. N -...
Checking the operation of the automatic transmission
On-site inspection Engine start - D or P only Brake lights - R only Gear shifting: ND, N-3, N-2, N-1, NR Oil level - engine idling, selector in position N Checking the pressure 2000 min⁻¹ — 7-13 bar...
On-site inspection Engine start - D or P only Brake lights - R only Gear shifting: ND, N-3, N-2, N-1, NR Oil level - engine idling, selector in position N Checking the pressure 2000 min⁻¹ — 7-13 bar...
Road tests
The test is carried out on a level road in good weather. Check #1 Move the selector to position D, start from a standstill in kick-down mode. 1. Check the clutch operation (squealing and slipping)....
The test is carried out on a level road in good weather. Check #1 Move the selector to position D, start from a standstill in kick-down mode. 1. Check the clutch operation (squealing and slipping)....
Kick-down cable adjustment (TDi)
1. Disconnect the kick-down cable from the fuel injection pump lever. 2. Disconnect the accelerator cable from the fuel injection pump lever. 3. Adjust the kickdown cable so that dimension A is 28...
1. Disconnect the kick-down cable from the fuel injection pump lever. 2. Disconnect the accelerator cable from the fuel injection pump lever. 3. Adjust the kickdown cable so that dimension A is 28...
Kick-down cable adjustment (V8i)
1. Close the throttle completely, check that the lever mechanism is adjusted correctly. 2. Adjust the position of the cable sheath so that the dimension A between the sheath bushing and the cable...
1. Close the throttle completely, check that the lever mechanism is adjusted correctly. 2. Adjust the position of the cable sheath so that the dimension A between the sheath bushing and the cable...
Removal and installation automatic transmission (V8i engine)
The automatic transmission, torque converter and transfer case are removed as an assembly from underneath the vehicle. To secure the automatic transmission to the jack, a holder is used, the drawings...
The automatic transmission, torque converter and transfer case are removed as an assembly from underneath the vehicle. To secure the automatic transmission to the jack, a holder is used, the drawings...
Removal and installation automatic transmission (Tdi engine)
The automatic transmission, torque converter and transfer case are removed as an assembly from underneath the vehicle. To secure the automatic transmission to the jack, a holder is used, the drawings...
The automatic transmission, torque converter and transfer case are removed as an assembly from underneath the vehicle. To secure the automatic transmission to the jack, a holder is used, the drawings...
Start inhibit switch
1. Place the car on a lift. 2. Disconnect the battery, lift the car. 3. Disconnect the starter inhibit switch connector. 4. Remove the switch mounting bracket. 5. Remove the switch. 6. Replace the...
1. Place the car on a lift. 2. Disconnect the battery, lift the car. 3. Disconnect the starter inhibit switch connector. 4. Remove the switch mounting bracket. 5. Remove the switch. 6. Replace the...
Shift shaft seal
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 5. Disconnect the oxygen sensor connectors. 6....
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 5. Disconnect the oxygen sensor connectors. 6....
Automatic transmission pan
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Drain the oil. Replace the drain plug. 5. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 6....
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Drain the oil. Replace the drain plug. 5. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 6....
Oil deflector plate
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Drain the oil. Replace the drain plug. 5. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 6....
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Drain the oil. Replace the drain plug. 5. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 6....
Control unit
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Drain the oil. Replace the drain plug. 5. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 6....
1. Place the car on a lift. 2. Disconnect the battery. 3. Raise the car. 4. Drain the oil. Replace the drain plug. 5. Remove the exhaust manifold downpipe heat shield from the exhaust manifold. 6....
Kick-down cable
Removal 1. Place the car on a lift. 2. Disconnect the battery. 3. Move the automatic transmission selector to position N. 4. Disconnect the kick-down cable from the throttle lever. 5. Loosen the...
Removal 1. Place the car on a lift. 2. Disconnect the battery. 3. Move the automatic transmission selector to position N. 4. Disconnect the kick-down cable from the throttle lever. 5. Loosen the...
Regulator housing
Removal 1. Remove the transfer case. 2. Drain the oil from the automatic transmission. 3. Unscrew the bolts securing the left support bracket to the regulator body and remove the bracket. 4. Loosen...
Removal 1. Remove the transfer case. 2. Drain the oil from the automatic transmission. 3. Unscrew the bolts securing the left support bracket to the regulator body and remove the bracket. 4. Loosen...
Regulator — removal
Removal 1. Remove the transfer case. 2. Drain the oil from the automatic transmission. 3. Unscrew the bolts securing the left support bracket to the regulator body and remove the bracket. 4. Loosen...
Removal 1. Remove the transfer case. 2. Drain the oil from the automatic transmission. 3. Unscrew the bolts securing the left support bracket to the regulator body and remove the bracket. 4. Loosen...
Regulator hub
Removal 1. Remove the transfer case. 2. Remove the transfer case shift lever housing. 3. Unscrew the 9 bolts securing the regulator housing. 4. Remove the regulator housing. 5. Remove the gearbox...
Removal 1. Remove the transfer case. 2. Remove the transfer case shift lever housing. 3. Unscrew the 9 bolts securing the regulator housing. 4. Remove the regulator housing. 5. Remove the gearbox...
Parking brake mechanism
Removal 1. Remove the transfer case. 2. Remove the transfer case shift lever housing. 3. Unscrew the 9 bolts securing the regulator housing. 4. Remove the regulator housing. 5. Remove the gearbox...
Removal 1. Remove the transfer case. 2. Remove the transfer case shift lever housing. 3. Unscrew the 9 bolts securing the regulator housing. 4. Remove the regulator housing. 5. Remove the gearbox...
Replacing the torque converter
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
Eliminating leaks in the oil pump housing
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
Eliminating leaks between the gearbox housing and the torque converter housing
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
Replacing the oil pump
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
1. Remove the automatic transmission and transfer case. 2. Install the automatic transmission on a disassembly workbench. Using handles 18G1501, remove the torque converter, being careful not to...
Tightening torques for threaded connections (Nm)
Coupling shaft to main shaft - 42* Dipstick tube to the pan - 68 Gearshift lever to the gearbox housing - 25 Oil cooling pipe adapter to gearbox housing - 42 Clutch mounting screws F — 10 Parking...
Coupling shaft to main shaft - 42* Dipstick tube to the pan - 68 Gearshift lever to the gearbox housing - 25 Oil cooling pipe adapter to gearbox housing - 42 Clutch mounting screws F — 10 Parking...
Installation data
Axial clearance: 0.2-0.4 mm Installation size A - 50 mm The gap between the carrier and the planetary gear is larger - 0.1 mm The distance between the output shaft and the cylinder F is 10 mm The...
Axial clearance: 0.2-0.4 mm Installation size A - 50 mm The gap between the carrier and the planetary gear is larger - 0.1 mm The distance between the output shaft and the cylinder F is 10 mm The...
Special tool
Front and rear oil seal replacement tool — LRT-44-001 LST108 Valve actuator lever installation gauge — LRT-44-002 LST109 Oil Pump Rotation and Axial Clearance Adjustment Key — LRT-44-003 LST111...
Front and rear oil seal replacement tool — LRT-44-001 LST108 Valve actuator lever installation gauge — LRT-44-002 LST109 Oil Pump Rotation and Axial Clearance Adjustment Key — LRT-44-003 LST111...
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