Subaru Legacy BN/BS (2015-2019) Service Manual: Removal

Subaru Legacy BN/BS (2015-2019) Service Manual / Continuously variable transmission(tr580) / Primary pulley and secondary pulley / Removal

NOTE:

Always replace primary pulley and secondary pulley as an assembly because they are non-disassembled parts.

1. Remove the transmission assembly. Automatic Transmission Assembly > REMOVAL

2. Remove the air breather hose. Air Breather Hose > REMOVAL

3. Remove the control valve body. Control Valve Body > REMOVAL

4. Remove the transmission harness. Transmission Harness > REMOVAL

5. Remove the turbine speed sensor. Turbine Speed Sensor > REMOVAL

6. Remove the secondary speed sensor. Secondary Speed Sensor > REMOVAL

7. Remove the primary speed sensor. Primary Speed Sensor > REMOVAL

8. Remove the inhibitor switch. Inhibitor Switch > REMOVAL

9. Remove the extension case. Extension Case > REMOVAL

10. Remove the transfer clutch assembly. Transfer Clutch > REMOVAL

11. Remove the transfer driven gear assembly. Transfer Driven Gear > REMOVAL

12. Remove the parking pawl. Parking Pawl > REMOVAL

13. Remove the reduction driven gear assembly. Reduction Driven Gear > REMOVAL

14. Remove the oil pan and oil strainer. Oil Pan and Strainer > REMOVAL

15. Remove the transmission control device. Transmission Control Device > REMOVAL

16. Remove the transmission case. Transmission Case > REMOVAL

17. Remove the reduction drive gear. Reduction Drive Gear > REMOVAL

18. Set the ST to secondary pulley, expand the V groove of pulley, and then completely loosen the variator chain.

ST 18769AA010

EXPANDER PULLEY

19. Remove the chain guide.

(1) Remove the chain guide from lubrication pipe.

(2) Detach the four claws to remove the chain guide.

(3) Remove the lubrication pipe.

(4) Remove the support rod mounting bolts.

(5) Raise the support rod to remove the chain guide.

(6) Move the chain guide to the secondary pulley side.

(7) Detach the four claws to remove the chain guide.

(8) Remove the support rod.

CAUTION:

Protect the both pulleys and variator chain from scratching.

20. Remove the primary pulley mounting bolt.

21. Remove the primary pulley from the reverse brake housing and intersect the V groove of secondary pulley and the V groove of primary pulley. Remove the variator chain from primary pulley, and remove the primary pulley.

CAUTION:

Cover the V grooves of secondary pulley and primary pulley with cloth to protect the both pulleys and variator chain from scratching.

22. Remove the ST (EXPANDER PULLEY) from the secondary pulley.

23. Remove the variator chain from secondary pulley.

24. Remove the secondary pulley mounting bolts, and remove the secondary pulley.

25. Remove the seal ring from drive pinion retainer.

26. Remove the seal ring from the input shaft.

Primary pulley and secondary pulley

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Adjustment

1. PROCEDURE IN REPLACEMENT OF PRIMARY AND SECONDARY PULLEY, OR IN REPLACEMENT OF PRIMARY PULLEY, SECONDARY PULLEY AND VARIATOR CHAIN1. Measure depth “Lp” from the ST upper face to the pri ...

Other materials:

Inspection
1. BACK-UP LIGHT SWITCH1. Turn the ignition switch to OFF.2. Disconnect the back light switch connector.3. Measure the resistance between the back-up light switch terminals.Gear shift positionTerminal No.Specified resistanceReverse position1 and 2Less than 1 -Other positions1 M- or more4. Replace fa ...