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Last Modified: 11-27-2007 1.6 A
Service Category: Brake Section: Brake System
Model Year: 2008 Model: LX570 Doc ID: RM00000171Q00HX
Title: BRAKE SYSTEM (OTHER): HYDRAULIC BRAKE BOOSTER: INSTALLATION (2008 LX570)

INSTALLATION

1. INSTALL BRAKE BOOSTER GASKET

(a) Install a new brake booster gasket to the hydraulic brake booster assembly.

2. INSTALL HYDRAULIC BRAKE BOOSTER ASSEMBLY

(a) Install the hydraulic brake booster assembly with the 4 nuts.

Torque: 14 N·m (145 kgf·cm, 10 ft·lbf)


(b) Connect the 4 brake lines to the correct positions on the hydraulic brake booster assembly as shown in the illustration.

(c) Using a union nut wrench, tighten the 4 brake lines.

Torque: 15 N·m (155 kgf·cm, 11 ft·lbf)

Torque: 14 N·m (145 kgf·cm, 10 ft·lbf)

HINT:

  • Use a torque wrench with a fulcrum length of 300 mm (11.8 in.).
  • The torque value for use with a union nut wrench is effective when the union nut wrench is parallel to the torque wrench.


(d) Connect the 3 connectors to the hydraulic brake booster assembly.

3. INSTALL PUSH ROD PIN BRAKE SYSTEM (OTHER): BRAKE PEDAL: INSTALLATION (2008 LX570)+

4. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY SUPPLEMENTAL RESTRAINT SYSTEMS: KNEE AIRBAG ASSEMBLY (for Driver Side): INSTALLATION (2008 LX570)+

5. INSTALL LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: INSTALLATION (2008 LX570)+

6. INSTALL COWL SIDE TRIM BOARD LH INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: INSTALLATION (2008 LX570)+

7. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: INSTALLATION (2008 LX570)+

8. INSTALL FRONT DOOR SCUFF PLATE LH INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION (2008 LX570)+

9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION (2008 LX570) .

10. FILL RESERVOIR WITH BRAKE FLUID BRAKE SYSTEM (OTHER): BRAKE FLUID: BLEEDING (2008 LX570)+

11. BLEED BRAKE BOOSTER WITH ACCUMULATOR PUMP ASSEMBLY BRAKE SYSTEM (OTHER): BRAKE FLUID: BLEEDING (2008 LX570)+

12. BLEED BRAKE LINE BRAKE SYSTEM (OTHER): BRAKE FLUID: BLEEDING (2008 LX570)+

13. BLEED MASTER CYLINDER SOLENOID BRAKE SYSTEM (OTHER): BRAKE FLUID: BLEEDING (2008 LX570)+

14. CHECK BRAKE PEDAL HEIGHT BRAKE SYSTEM (OTHER): BRAKE PEDAL: ADJUSTMENT (2008 LX570)+

15. CHECK PEDAL FREE PLAY BRAKE SYSTEM (OTHER): BRAKE PEDAL: ADJUSTMENT (2008 LX570)+

16. CHECK PEDAL RESERVE DISTANCE BRAKE SYSTEM (OTHER): BRAKE PEDAL: ADJUSTMENT (2008 LX570)+

17. CHECK FLUID LEVEL IN RESERVOIR BRAKE SYSTEM (OTHER): BRAKE FLUID: ON-VEHICLE INSPECTION (2008 LX570)+

18. INSPECT FOR BRAKE FLUID LEAK

19. INSPECT BRAKE MASTER CYLINDER OPERATION

(a) Inspect the brake master cylinder operation BRAKE SYSTEM (OTHER): HYDRAULIC BRAKE BOOSTER: ON-VEHICLE INSPECTION (2008 LX570) .