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
- Suspension bracket and steering
   General information
   + Forward suspension bracket
   + Back suspension bracket
   - Steering
      Checks of components of steering
      Removal, installation, dismantling and assembly of a steering column
      Removal and installation of the pump GUR and its driving belt
      Removal, installation, dismantling and assembly of the steering mechanism
   + Suspension bracket geometry
+ Body
+ Onboard electric equipment
+ Schematic diagrams of electric connections


Removal and installation of the pump GUR and its driving belt

Components of installation of the pump GUR

1 — the Driving belt
2 — the Socket
3 — the GUR liquid pressure Sensor
4 — the Delivery tube
5 — the Nipple bolt

6 — Laying
7 — the Returnable hose
8 — the Clamp
9 — Assembly of the pump GUR

Assembly of the pump GUR

1 — the Pressure head union
2 — the Sealing ring
3 — the Valve of management of a GUR liquid stream
4 — the Soaking-up union
5 — Pruzhina
6 — Laying
7 — Back section of the case
8 — the Back arm
9 — Forward section of the case
10 — the Forward arm

11 — a pump Pulley
12 — a pump Shaft
13 — the Lock ring
14 — the Epiploon
15 — a pump Rotor
16 — pump Plates (shiber)
17 — the Pin
18 — the Eccentric ring
19 — the Side rack
20 — the Wavy washer


  1. Remove a collar and disconnect a returnable hose, trying not to spill GUR liquid on a driving belt.
  2. Separate the socket and remove the GUR liquid pressure sensor from a nipple bolt.

Do not drop the sensor since otherwise it should be replaced.

  1. Remove a nipple bolt with laying and disconnect a delivery tube.
  1. By means of special adaptation give two bolts and take off a driving belt.
  1. Weaken a bolt of "A" so that it was possible to remove assembly of the pump. Then completely turn out a bolt of "B" and remove assembly of the pump.

The bolt cannot be turned out "A".

  1. In need of repair of the pump its dismantling is made according to the illustration Assembly of the Pump GUR.
  2. Installation of the pump is made upside-down. Pay attention to the next moments:
    • Adjust a tension of a driving belt of the pump, then tighten at first a bolt of "A", and then a bolt of "B" with the required efforts;
    • Use new laying of a delivery tube;
    • Make sure that the stopper (1) of a delivery tube (2) concerns a bracket;
    • In conclusion pump over air from the GUR system.

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