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
   General information
   General information about settings and adjustments
   Schedule of routine maintenance
   Check of levels of liquids, control of leaks
   Check of a condition of tires and pressure of their rating, rotation of wheels
   Replacement of motive oil and oil filter
   General checks of the brake system
   Check and replacement of the saloon filter of a heater and To/in
   Check of a state and replacement of hoses of a motive compartment, localization of leaks
   Check of a state and replacement of belts of the drive of auxiliary units
   Replacement of the filtering air cleaner element
   Check of a condition of system of production of the fulfilled gases
   Check and replacement of spark plugs
   Replacement of brake fluid, pumping of the brake system
   Check of a condition of components of a suspension bracket and steering
   Check of a condition of protective covers of power shafts and hinges of the driveshaft
   Check of operability of lighting fixtures, horn and fan of a heater
   Check of the EVAP system
   Check of a state, adjustment and replacement of brushes of screen wipers
   Check of a condition of the battery and care of it
   Replacement of the cooling liquid (CL)
   Check and adjustment of valvate gaps
   Check and adjustment of the course of pedals of the working and parking brake
   Check of boots of the parking brake
+ 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
+ Body
+ Onboard electric equipment
+ Schematic diagrams of electric connections


Check of a condition of tires and pressure of their rating, rotation of wheels

At a sports manner of driving it is recommended to increase pressure in tires by 0.3 atm. At increase in pressure it is necessary to proceed from a base-line value for various conditions of loading.

Winter tires, as a rule, have pressure 0.2 atm higher, than summer. It is necessary to consider recommendations of manufacturers of winter tires, and also to remember, such tires have restriction on speed.

Regular check of a condition of tires will allow to avoid the troubles connected with stops in way because of the lowered wheel. Besides, such checks give valuable information on possible problems with steering and a suspension bracket before emergence in them serious damages.

Tires can be equipped with the built-in strips of indication of wear of a protector which are bared at decrease in depth of a protector to 1.6 mm. At emergence of the indicator of the tire are considered as worn-out. It is in most cases recommended to replace the tire which protector depth less than 2 mm. Depth of a protector can also be determined by the simple and inexpensive adaptation known under the name of the measuring instrument of depth of a protector.

Examples and possible causes of wear of tires

Pay attention to any unusual wear of protectors. Such defects of a protector as cavities, cambers, flattening and stronger wear on the one hand indicate violation of angles of installation of wheels and/or balancing of a wheel. At identification any of the listed defects it is necessary to address for their elimination in a tire workshop.


  1. Carefully check tires for existence of cuts, punctures and the got stuck nails or buttons. Sometimes after a tire puncture a nail it still some time holds pressure or lowers very slowly. At suspicion at first check tightness of the nipple of a rating of a wheel for existence of such "slow puncture". Then examine a protector on presence at it of the got stuck foreign objects or punctures eliminated earlier which started over again passing air. It is possible to make sure available a puncture, having moistened the suspected site with soap water. In the presence of a puncture solution will begin to bubble. If a puncture not too big, the tire it is usually possible to repair in any tire workshop.
  2. Carefully examine the internal side surfaces of tires on existence of signs of leak of brake fluid on them. If those are available, immediately check the brake system.
  3. Maintenance in tires of the correct pressure increases the term of their service, helps to save fuel and improves the general comfort of the movement. The special manometer is necessary for check of pressure.
  4. Always check pressure on cold tires (i.e. to a trip on the car). If to check pressure on the warm or warmed tires, it will lead to overestimate of indications of the manometer because of thermal expansion of tires. In this case it is not necessary to lower pressure since after cooling of the tire it will appear below norm.
  5. For check of pressure of a rating of the tire remove a protective cap from the nipple, then densely press a nozzle of the manometer to the rating gate and consider instrument readings – they have to make 2.0 atm. Do not forget to install into place a protective cap for prevention of hit in the nipple of dirt and moisture. Check pressure in all tires, without forgetting about a spare wheel, and if necessary pump up them.
  1. Each 12 000 km of a run it is recommended to make rotation of wheels for equalizing of wear of tires. When using radial tires install them according to the direction of their rotation.

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