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7
Technical support
7.1 Replacement of the
hydraulic components
The actuation system is composed of a mechanical
part, which is the pedal, the firewall and the over-
center spring. The hydraulic system consists of a
transmitter (clutch master cylinder), a hose with
or without a damper and a receiver (clutch release
cylinder or concentric slave cylinder).
It is important to realize that the performance of the
hydraulic system is also linked to the mechanical
part. During each clutch replacement or once an
actuation problem is detected, it is important to
check all of the components in the transmission
line, from the pedal to the gearbox. This will avoid
unnecessary replacement of expensive components
and unexpected labor costs.
However, many clutch failures are also linked to
poor functioning of the hydraulic actuation system.
The clutch master cylinder (CMC)
may need to
be replaced if:
l
The clutch pedal slowly sinks to the floor and does
not return
1