Using a clip remover, separate the clip on the rubber portion of the cowl top ventilator louver sub-assembly from the front upper fender protector LH.

Disengage the 3 clips and the claw to remove the front upper fender protector LH.

9. REMOVE FRONT UPPER FENDER PROTECTOR LH (for 2AD-FHV)

Using a clip remover, separate the clip on the rubber portion of the cowl top ventilator louver sub-assembly from the front upper fender protector LH.

Disengage the 3 clips and the claw to remove the front upper fender protector LH.

10. REMOVE FRONT UPPER FENDER PROTECTOR RH (for 4GR-FSE)

HINT:

Use the same procedures for the RH side and the LH side.

11. REMOVE FRONT UPPER FENDER PROTECTOR RH (for 2AD-FHV)

HINT:

Use the same procedures for the RH side and the LH side.

12. REMOVE ROOF DRIP SIDE FINISH MOULDING LH

Put protective tape around the roof drip side finish moulding.

Using a moulding remover, disengage the 6 clips and remove the roof drip side finish moulding.

NOTICE:

Do not remove the clips.

If the clips are damaged or fall off, replace them with new clips.

Brake Booster - Removal. BRAKE. Lexus IS250 IS220d GSE20 ALE20

13. REMOVE ROOF DRIP SIDE FINISH MOULDING RH

HINT:

Use the same procedures for the RH side and the LH side.

14. REMOVE FRONT WIPER ARM HEAD CAP (for 4GR-FSE)

Using a screwdriver, remove the front wiper arm head cap.

HINT:

Use the same procedures for the RH side and the LH side.

Tape the screwdriver tip before use.

15. REMOVE FRONT WIPER ARM HEAD CAP (for 2AD-FHV)

Using a screwdriver, remove the front wiper arm head cap.

HINT:

Use the same procedures for the RH side and the LH side.

Tape the screwdriver tip before use.

16. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH (for 4GR-FSE)

Remove the nut and the front wiper arm and blade assembly LH.

17. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH (for 2AD-FHV)

Remove the nut and the front wiper arm and blade assembly LH.

18. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH (for 4GR-FSE)

Remove the nut and the front wiper arm and blade assembly RH.

19. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH (for 2AD-FHV)

Remove the nut and the front wiper arm and blade assembly RH.

20. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for 4GR-FSE)

Remove the 2 clips.

Disengage the 11 claws, and pull out the cowl top ventilator louver sub-assembly.

21. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for 2AD-FHV)

Remove the 2 clips.

Disengage the 11 claws, and pull out the cowl top ventilator louver sub-assembly.

22. REMOVE FRONT WHEEL

23. DRAIN BRAKE FLUID

NOTICE:

If brake fluid leaks onto any painted surface, wash it off or remove the brake fluid completely.

24. REMOVE NO. 3 ENGINE ROOM RELAY BLOCK (for 4GR-FSE)

Remove the bolt, nut and No. 3 engine room relay block.

NOTICE:

Cover the No. 3 engine room relay block with a shop rag or a piece of cloth to prevent brake fluid from getting on it.

25. REMOVE NO. 3 ENGINE ROOM RELAY BLOCK (for 2AD-FHV)

Remove the bolt, nut and No. 3 engine room relay block.

NOTICE:

Cover the No. 3 engine room relay block with a shop rag or a piece of cloth to prevent brake fluid from getting on it.

26. SEPARATE CLUTCH RESERVOIR HOSE (for Manual Transmission)

Remove the clip and separate the clutch reservoir hose.

27. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY (for 4GR-FSE)

Disengage the clamp and disconnect the warning switch connector.

Using SST, disconnect the 2 brake lines from the brake master cylinder sub-assembly.

SST
09023-00101

Remove the 2 nuts and separate the brake actuator assembly.

Brake Booster - Removal. BRAKE. Lexus IS250 IS220d GSE20 ALE20

Remove the 2 nuts and brake master cylinder sub-assembly from the brake booster assembly.

Remove the O-ring from the brake master cylinder sub-assembly.

28. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY (for 2AD-FHV)

Disengage the clamp and disconnect the warning switch connector.

Using SST, disconnect the 2 brake lines from the brake master cylinder sub-assembly.

SST
09023-00101

Remove the 2 nuts and separate the brake actuator assembly.

Brake Booster - Removal. BRAKE. Lexus IS250 IS220d GSE20 ALE20

Remove the 2 nuts and brake master cylinder sub-assembly from the brake booster assembly.

Remove the O-ring from the brake master cylinder sub-assembly.

29. REMOVE BRAKE ACTUATOR ASSEMBLY (for 4GR-FSE)

Release the lock lever and disconnect the actuator connector.

Using SST, disconnect the 6 brake tubes from the brake actuator assembly with bracket.

SST
09023-00101

Use tags or make a memo to identify the places to reconnect.

Brake Booster - Removal. BRAKE. Lexus IS250 IS220d GSE20 ALE20

HINT:

*1: To Front Wheel Cylinder RH

*2: To Front Wheel Cylinder LH

*3: To Rear Wheel Cylinder RH

*4: To Rear Wheel Cylinder LH

*5: From Front Master Cylinder

*6: From Rear Master Cylinder

Separate the grommet and remove the No. 3 front brake tube.

NOTICE:

Do not damage the brake tube.

Remove the 2 bolts, nut and brake actuator assembly with bracket from the body.

Brake Booster - Removal. BRAKE. Lexus IS250 IS220d GSE20 ALE20

NOTICE:

Do not damage the brake tubes.

30. REMOVE BRAKE ACTUATOR ASSEMBLY (for 2AD-FHV)

Release the lock lever and disconnect the actuator connector.

Using SST, disconnect the 6 brake tubes from the brake actuator assembly with bracket.

SST
09023-00101

Use tags or make a memo to identify the places to reconnect.

Brake Booster - Removal. BRAKE. Lexus IS250 IS220d GSE20 ALE20

HINT:

*1: To Front Wheel Cylinder RH

*2: To Front Wheel Cylinder LH

*3: To Rear Wheel Cylinder RH

*4: To Rear Wheel Cylinder LH

*5: From Front Master Cylinder

*6: From Rear Master Cylinder

Separate the grommet and remove the No. 3 front brake tube.

NOTICE:

Do not damage the brake tube.

Remove the 2 bolts, nut and brake actuator assembly with bracket from the body.

Brake Booster - Removal. BRAKE. Lexus IS250 IS220d GSE20 ALE20

NOTICE:

Do not damage the brake tubes.

31. REMOVE FRONT DOOR SCUFF PLATE LH

32. REMOVE FRONT DOOR SCUFF PLATE RH

HINT:

Use the same procedures for the RH side and the LH side.

33. REMOVE FRONT DOOR OPENING TRIM COVER LH

Disengage the 6 claws and remove the front door opening trim cover LH.

34. REMOVE FRONT DOOR OPENING TRIM COVER RH

Disengage the 6 claws and remove the front door opening trim cover RH.

35. REMOVE INSTRUMENT SIDE PANEL LH

Using a moulding remover, disengage the 5 claws and 3 clips, and then remove the side instrument panel LH.

36. REMOVE INSTRUMENT SIDE PANEL RH

Using a moulding remover, disengage the 5 claws and 3 clips, and then remove the side instrument panel RH.

37. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Using a screwdriver, disengage the 4 claws.

HINT:

Tape the screwdriver tip before use.

Apply protective tape to the areas shown in the illustration.

Using a moulding remover, disengage the 4 claws starting from the right of the No. 3 instrument panel register assembly. Disengage the remaining 3 claws by pulling the No. 3 instrument panel register assembly by hand.