Correct answer
In the circuit reservoir identified by the manufacturer, using the specified marks or method.
In the hydraulic circuit reservoir identified for that vehicle, using the level marks or checking method specified by the manufacturer. Its location is not universal: it may be separate or shared with the brake circuit. Do not always look beside the pedal or confuse a filler cap with a level indicator. Use the specified fluid and investigate abnormal losses.
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Always in a reservoir next to the air filter, without consulting the manual.
In the clutch disc itself, which stores hydraulic fluid.
In the circuit reservoir identified by the manufacturer, using the specified marks or method.
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