LEXUS RX 300

1998 — 2003 of release

Repair and operation of the car



Lexus RX 300
+ Lexus RX-300 cars
+ Governing bodies and methods of operation
+ Settings and routine maintenance of the car
+ Engine
+ Cooling systems of the engine, heating, ventilation and air conditioning
+ A power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Automatic transmission and interaxal differential
+ Transmission line
- Brake system
   General information and security measures
   Removal, installation and check of pedals of the brake system
   Check of the brake system via the socket of the module of management
   Removal and installation of the tank and main brake cylinder (MBC)
   Removal, check and installation of the amplifier of brakes
   Replacement of brake shoes
   Removal, dismantling, check, assembly and installation of supports of brake mechanisms
   Dismantling, check and assembly of the parking brake
   Valve check of distribution of brake effort
   Removal and installation of the activator of brakes
   Removal and installation of wheel sensors
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schematic diagrams of electric connections


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Dismantling, check and assembly of the parking brake

Components of the parking brake

1 — the Intermediate lever
2 — the Regulator
3 — the Directing plate
4 — the Expansion plate
5 — Pruzhina
6 — the Washer
7 — the Back boot
8 — the Holder of a boot

9 — Returnable springs of a block
10 — the Back disk brake mechanism
11 — the Washer with a cut
12 — the Forward boot
13 — the Clamping spring of a boot
14 — the Coupling spring
15 — a spring Saddle
16 — the Stopper

Check

The description of check of boots of the parking brake is provided in the Section Check of Boots of the Parking Brake.


 PERFORMANCE ORDER

  1. Measure the internal diameter of a brake disk. Compare the received values to requirements of Specifications of the Head the Brake system and if necessary replace a disk. The disk should be replaced and in the presence on it mechanical damages or uneven wear.
  1. Measure a gap between the intermediate lever and a boot of the parking brake and compare the received value to requirements of Specifications of the Head the Brake system. If necessary adjust a gap, having picked up a suitable washer (see Specifications the Brake system).
  1. Take by means of the screw-driver an adjusting washer and a washer with a cut. Establish an adjusting washer of the required thickness, and then by means of nippers install the lever and a washer with a cut. Again check a gap between the intermediate lever and a boot of the parking brake.

Dismantling and assembly

 PERFORMANCE ORDER

  1. Remove a back wheel, turn out two bolts of fastening of a bracket of a support and remove assembly of the back brake mechanism then reliably enshrine it in the suspended provision.

Do not overwind and do not load a brake hose.


  1. Remove a brake disk.

If the disk does not manage to be removed, turn the regulator of boots so that the wheel could rotate freely.

  1. Remove two returnable springs of boots by means of nippers.
  2. Disconnect a coupling spring from a forward boot.
  3. Shift a forward boot and remove the regulator.
  4. Remove an expansion plate with a spring.
  5. Remove saddles of clamping springs, springs and the holder of a back brake boot.
  6. Disconnect a cable of the drive of the parking brake from the intermediate lever.
  7. Assembly is made upside-down. Grease with high-temperature lubricant the components designated by shooters.
  1. After installation of the parking brake adjust a gap of his boots. For this purpose:
    • Temporarily establish wheel nuts;
    • Turn out a stopper from a brake disk;
    • Turning the regulator, part boots before blocking of a brake disk;
    • Return the regulator on 8 tags in the opposite direction and screw a stopper.
  1. Earn extra brake boots with a disk. For this purpose squeeze out a pedal of the parking brake with effort of 147 N and in this situation be passed on the car on distance about 400 m with a speed about 50 km/h. Repeat this procedure 2-3 times.
  2. In conclusion again check and adjust the course of a pedal of the drive of the parking brake (see the Section Check and adjustment of the course of pedals of the working and parking brake).