Transmission identification data Identification plate (1) on the gearbox contains the following information: A. Gearbox type. B. Transmission suffix. C. Manufacturing plant. D. Serial number.
Gearbox specification Gear ratios Manual transmission JH1 Suffix First gear Second gear third gear fourth gear Fifth gear Reverse gear main gear Tachometer JH1-004 11/37 22/41 28/37 34/35 39/32 11/39 14/59 21/19 JH1-013 11/37 22/41 28/37...
Preparation for repair Note: All work on the gearbox must only be carried out by suitably qualified specialists. When carrying out repairs on a vehicle, the basic safety rules must be observed. The quality of the repair depends primarily on...
Changing the oil in the gearbox Gear oil specification Transmission oil change procedure Draining oil from the gearbox 1. Place the vehicle on a two post lift. 2. Unscrew the fastening bolts and remove the engine protective tray. 3. Place a drip tray...
Removing the gearbox assembly 1. Place the vehicle on a two post lift. 2. Unscrew the fastening bolts and remove the engine protective tray. 3. Remove the front wheels from the car. 4. Remove the front left fender liner. 5. Remove the front bumper....
Installing the gearbox assembly Note: Be sure to replace the outer differential seal and clutch thrust bearing with new ones after each removal. Do not lubricate input shaft splines to install clutch disc. Make sure the dowel pins are in place in the...
Installing the gearbox on a stand for disassembly and assembly Note: To repair any parts of the gearbox, two possible support methods can be used: assembly stand (if available); Workbench. Installing the gearbox on the stand 1. Remove the gearbox from the vehicle. 2. Place the base...
Removal and installation of the fifth gear housing Removing the fifth gear housing 1. Place the vehicle on a two post lift. 2. Unscrew the fastening bolts and remove the engine protective tray. 3. Remove the front left wheel from the vehicle. 4. Remove the front left...
Removing and installing gears and fifth gear synchronizer Removing gears and fifth gear synchronizer 1. Place the vehicle on a two post lift. 2. Unscrew the fastening bolts and remove the engine protective tray. 3. Remove the front left wheel from the vehicle. 4. Remove the...
Installing gears and fifth gear synchronizer Note: Be sure to replace the input shaft nut, input shaft nut washer, output shaft bolt, fifth gear fork pin with new ones. 1. Use a cleaning agent to clean the ends of the gearbox shafts. 2. Apply a few drops of...
Gearbox disassembly 1. Remove the gearbox from the car 2. Put the gearbox on for disassembly. 3. Remove the fifth gear housing. 4. Remove the gears and synchronizer of your transmission. 5. Remove the gearbox housing: Loosen the gearbox...
Gearbox Assembly Note: Be sure to replace oil seals, O-rings, clutch thrust bearing guide, gear circlips, roll pins, bearing circlips, shift rod spring studs, clutch release cylinder with new ones after each removal (if equipped),...
Reverse switch Removal and installation of the reverse switch Removing the reverse switch 1. Place the vehicle on a two post lift. 2. Remove the front left wheel from the vehicle. 3. Remove the front left fender liner. 4. Unscrew the...
Removal and installation of the mechanism of a gear change Removing the gearshift mechanism 1. Place the vehicle on a two post lift. 2. Loosen the nut (1) traction drive 'gear change'. 3. Loosen the mounting bolts and remove the engine tray. 4. Remove the exhaust pipe. 5....
Gearshift shaft Removal and installation of a shaft of a gear change Removing the shift shaft 1. Remove the gearbox from the vehicle. 2. Place the gearbox on the assembly stand. 3. Remove the fifth gear housing (see relevant section...
Replacing bearings in the gearbox housing Removing the gearbox housing bearing 1. Remove the gearbox from the vehicle. 2. Place the gearbox on a dismantling stand. 3. Remove the fifth gear housing (see relevant section above). 4. Remove the synchronizer and...
Replacing bearings in the clutch housing Removing the clutch housing bearing 1. Remove the gearbox. 2. Place the gearbox on the assembly stand. 3. Remove the fifth gear housing (see relevant section above). 4. Remove the synchronizer and gears of the fifth...
Special tools and fixtures Name of tool and fixtures Catalog number 8mm Square Gearbox Drain Plug Mot. 1018 Traverse for hanging the engine with multiple adjustments and rigging Mot. 1453 Screw bracket for traverse Mot. 1453 Mot. 1453-01...