Removing
Place the car on a lift.
Disconnect the wire from the negative battery terminal.
Remove the upper bolts securing the gearbox to the engine block.
Disconnect the flexible speedometer drive shaft from the gearbox.
Loosen the clutch cable and disconnect it from the lever on the gearbox.
Remove starter.
On vehicles with an FZ engine, fold up the support plate on the coolant hose.
Remove the upper engine mount bracket.
Detach the front muffler pipe from the exhaust manifold flange and from the pipe-to-transmission bracket.
Remove the exhaust pipe from the mufflers.
Disconnect the front wheel drive shafts from the differential output flanges.
Disconnect the electrical wires from the gearbox.
Remove the lower clutch housing cover.
Disconnect the tie rod joint from the shift lever.
Disconnect the ball head and remove the shift lever.
Place the gearbox on a jack or stand.
Unscrew the nuts of the bolts of the silent blocks of the transmission suspension cross member to the body and to the gearbox housing.
Remove the silent block located on the side of the gearbox.
Remove the transmission front suspension bracket.
Loosen the lower bolts securing the gearbox to the engine block.
Separate gearbox from engine.
Remove gearbox.
Installation
Before installing the gearbox, make sure that the clutch disc is properly centered and also apply a light coat of grease to the gearbox input shaft splines.
Place the gearbox on a jack or stand.
Put the gearbox in place.
Install the lower gearbox-to-engine bolts.
Install the transmission mount brackets.
Install the shift linkage and shift fork drive lever without tightening the fasteners.
Install the lower clutch housing cover.
Install the wheel drives on the flanges of the output shafts of the differential, tighten the mounting bolts to a torque of 4.5 kgf·m.
Install the exhaust pipe of the mufflers, laying a new gasket between the flanges.
Install starter.
Install the front engine mount bracket.
Attach the clutch cable to the clutch release fork lever.
On vehicles with FZ engine, fold back the coolant hose support plate.
Attach the flexible speedometer drive shaft.
Install the upper gearbox-to-engine bolts.
Tighten bolts securing transmission mount to body.
Adjust the gearshift drive.
Connect the wire to the negative terminal of the battery.
Adjust clutch pedal free play.
Details of the four-speed gearbox housing:
1 - clutch housing;
2 - gearbox housing;
3 — a back cover of a transmission;
4 - differential box cover with bearing;
5 - bearing seal;
6 - breather;
7 - gasket.
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