308-03-40 Manual Transaxle 308-03-40
DESCRIPTION AND OPERATION
E4460 EN 07/2001
Manual Transaxle
Overview
Item
Description
1 Slave Cylinder - Clutch
2 Sealed bearings
3 Transmission vent
The aluminum transmission housing features
reinforcement ribs for additional strength. Liquid
sealer is used between the two halves of the
transmission (WSS - M2G348-A5) and the end
cover (WSE - M4G323 - A4). On transmissions
using liquid sealer the end cover is painted black.
In addition to this, components in the
transmission have been modified although their
design has not been changed.
The iB5 manual transmission is a "2 shaft
transmission". The clutch is operated
hydraulically.
On a "2 shaft transmission" all gearwheels are
constantly in mesh. Each gear ratio is achieved
through one pair of gearwheels.
The direction of rotation of the output shaft is
reversed for reverse gear by using an idler
gearwheel.
All gearwheels are helically splined, synchronized
(except reverse gear) and run on friction
bearings.
This reduces noise to a minimum and provides
easy gear changing, together with low weight and
compactness.
Fitting a selector lever relay with return spring
inside the transmission eliminates the spring
loaded return slide in the external gearshift
mechanism.
The iB5 manual transmission is filled with 2,8
liters of synthetic oil, specification BOT 130. The
correct filling level is 5 to 10 mm below the check
bore. Fluid changes are not necessary.
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