Volvo 164 Owner's Manual - page 32
TECHNICAL DESCRIPTION
Gearbox
The gearbox has synchromesh on all for-
ward gears. Since the gearbox is fitted
with helical gears and gear lever is rub-
ber-insulated, good sound insulation is ob-
tained.
Automatic transmission
As an alternative, your Volvo can be fitted
with a BW35 automatic transmission.
I n principle it consists of two main com-
ponents - a hydraulic torque converter
and a hydraulically operated epicyclic
gearbox with a control system. The con-
verter serves as a clutch and as an extra
gear between engine and gearbox.
Overdrive
Certain variants of the Volvo 164 are fitted
with an overdrive. With the overdrive, it is
possible to reduce the engine speed while
maintaining road speed. This is less wear-
i ng on the engine and reduces fuel con-
sumption at the same time.
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