Control Valve Body Description - Mazda Mazda6 Workshop Manual Supplement

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When the clutch pressure is not applied

• When the clutch drum rotates, centrifugal force acts on the residual ATF in the clutch chamber to push against

the piston. However, centrifugal force also acts on the ATF filled in the centrifugal balance clutch chamber to

push back the piston. As a result, the two forces are eliminated and the piston remains stationary, thus

preventing clutch engagement.

When the clutch pressure is applied

• When clutch pressure is applied to the clutch chamber, the clutch pressure overcomes the oil pressure and the

spring force in the opposite centrifugal balance clutch chamber, and pushes the piston to engage the clutches.

Because the centrifugal force acting on the clutch pressure in the clutch chamber is canceled by another

centrifugal force acting on the ATF filled in the centrifugal balance clutch chamber, the influence of the

centrifugal force created by the clutch drum revolution speed is eliminated. As a result, stable piston pushing

force is obtained in all rotation ranges, and smoother shifts can be made.

CONTROL VALVE BODY DESCRIPTION

• The control valve body is composed of four bodies: the sub lower body, lower body, internal body, and the upper

• To minimize the component in the control valve body, clutch engagement is electronically controlled, hydraulic

circuits were simplified and the valve types reduced.

AUTOMATIC TRANSAXLE

A6E571421100201

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