Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 2000-2003 Approved Subaru Legacy 2000 2000 Service Manual MECHANISM AND FUNCTION SECTION Automatic Transmission and Differential MSA5TCD00L18189

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MSA5TCD00L18189


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                          LEGACY (W2260BE_SGML Complete)



3-2     [M2A0]                    MECHANISM AND FUNCTION
2. Reverse Clutch


2. Reverse Clutch
A: CONSTRUCTION




                                                                                        B3H0891A



      (1) High clutch drum                                  (7) Drive plate
      (2) Lip seal                                          (8) Retaining plate
      (3) Lathe cut seal ring                               (9) Snap ring
      (4) Reverse clutch piston                            (10) Thrust needle bearing
      (5) Dish plate                                       (11) High clutch hub
      (6) Driven plate




                                                    4
              LEGACY (W2260BE_SGML Complete)



                                 MECHANISM AND FUNCTION                             [M2B1]     3-2
                                                                                  2. Reverse Clutch


B: FUNCTION
1. DURING OPERATION
Hydraulic pressure is applied to the reverse clutch piston from the control valve when shifting in
reverse. The drive plate and driven plate are connected by this pressure, and engine power from
the high clutch drum is transmitted to the front sun gear through the 2-4 brake hub.




                                                                                         B3H0892A



     (1) High clutch drum                             (4) Drive plate
     (2) Reverse clutch piston                        (5) Front sun gear
     (3) Driven plate




                                                5
                         LEGACY (W2260BE_SGML Complete)



3-2     [M2B2]                    MECHANISM AND FUNCTION
2. Reverse Clutch


2. DURING NON-OPERATION
When the shift lever is in any position other than reverse, no hydraulic pressure is applied to the
reverse clutch piston. Hence the drive plate and driven plate are separated, and no power is trans-
mitted.
The check ball is built into the clutch piston. This check ball releases oil pressure from the clutch
piston while the drum rotates idle. It thus avoids build-up of residual pressure in the clutch drum
and a resultant half-engaged clutch, which may otherwise be caused by centrifugal oil pressure.




                                                                                           B3H0893A



      (1) High clutch drum                                (5) Front sun gear
      (2) Reverse clutch piston                           (6) Cover
      (3) Driven plate                                    (7) Check ball
      (4) Drive plate




                                                   6



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