Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 04. TRANSMISSION 05. MANUAL TRANSMISSION AND DIFFERENTIAL (6MT) 21. Reverse Idler Gear Assembly

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21. Reverse Idler Gear Assembly


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                               REVERSE IDLER GEAR ASSEMBLY
MANUAL TRANSMISSION AND DIFFERENTIAL

21.Reverse Idler Gear Assembly                            1) Remove the spring pin.

A: REMOVAL
1) Remove the manual transmission assembly
from vehicle. 
2) Prepare the transmission for overhaul. 
3) Remove the oil pipe, neutral position switch,
back-up light switch and harness. , , 
                                                          2) Remove the snap ring.
4) Remove the extension case. 
5) Remove the transfer driven gear. 
6) Remove the center differential. 
7) Remove the oil pump. 
8) Remove the transmission case. 
9) Remove the reverse idler gear assembly. 
                                                          3) Remove the washer and reverse idler gear.
B: INSTALLATION
1) Select the reverse fork rod.                                                                   (A)
2) Install the reverse idler gear assembly. 
3) Install the transmission case. 
4) Install the oil pump. 
5) Install the center differential.                                                                      MT-00619
6) Install the transfer driven gear.                             (A) Washer
7) Install the extension case. 
8) Install the oil pipe, neutral position switch, back-   4) Remove the knock pin and reverse idler gear
up light switch and harness. , , 
9) Install the manual transmission assembly to ve-                  (A)
hicle. 
C: DISASSEMBLY
NOTE:
Sleeve and reverse gear engage at a specified
point. Mark an engagement point on the sleeve and                                                       MT-00620

hub before disassembly.
                                                                (A) Knock pin
                                                                (B) Reverse idler gear needle bearing


                                                    6MT-92
                               REVERSE IDLER GEAR ASSEMBLY
                                                          MANUAL TRANSMISSION AND DIFFERENTIAL

5) Remove the collar.                                9) Remove the washer and needle bearing.
6) Remove the reverse sleeve.




                                                                                  (A)



                                                                                  (B)


                                                                                          MT-00625
                                      MT-00622
                                                           (A) Needle bearing
7) Remove the outer baulk ring, reverse synchro
                                                           (B) Washer
cone and inner baulk ring from reverse sleeve.
                                                     10) Remove the knock pin.
                       (B)
               (C)

     (D)




                                          (A)

                                      MT-00623
                                                                                          MT-00626
      (A)   Reverse sleeve
      (B)   Outer baulk ring                         11) Remove the snap ring and friction plate from
      (C)   Reverse synchro cone
                                                     reverse gear.
      (D)   Inner baulk ring

8) Remove the reverse idler gear No. 2.                                                  (A)




                                                                                         (B)



                                                                                          MT-00627


                                                           (A) Snap ring
                                      MT-00624             (B) Friction plate




                                                 6MT-93
                                 REVERSE IDLER GEAR ASSEMBLY
MANUAL TRANSMISSION AND DIFFERENTIAL

12) Remove the sub gear and spring.                     2) Install the friction plate and snap ring.
                                                        NOTE:
           (A)         (B)                              Make sure to install the friction plate in proper di-
                                                        rection.

                                                                                                   (C)



                                                                                                   (D)

                 A
     (C)                                                                                            (B)
                                         MT-00628

                                                                                             (A)
       (A) Sub gear
       (B) Spring                                                                                     MT-00630
       (C) Punch mark (mark A)
                                                               (A)   Friction plate
D: ASSEMBLY
                                                               (B)   Snap ring
1) Install the sub gear and spring.
                                                               (C)   Snap ring side
NOTE:                                                          (D)   Sub gear side



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