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
   General information and preparatory operations
   Check of compression pressure
   Check of the engine by means of the vacuum gage
   Reduction of the piston of the first cylinder in the provision of the top dead point (TDP)
   Check of a corner of an advancing of ignition
   Removal, check and installation of a belt of the GRM drive of its natyazhitel, pulley and cogwheel of a bent shaft, cogwheels of camshafts and intermediate rollers
   Removal, dismantling, check, assembly and installation of a head of cylinders and its components
   Removal and installation of the engine, check of support
   Block of cylinders
   Check of D/V of pressure of motive oil
   Removal, dismantling, check, assembly and installation of the oil pump and pallet of a case
+ 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


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Removal and installation of the engine, check of support

Removal

 PERFORMANCE ORDER

  1. Remove protection of a case.
  2. Empty cooling systems and lubricants of the engine (see the Sections Replacement of the Cooling Liquid (CL) and Replacement of Motive Oil and an oil filter).
  3. Remove a cowl and a fairing of a windshield (see the Head Kuzov).
  4. Remove the rechargeable battery together with her holder (see the Head Sistemy of electric equipment of the engine).
  1. Remove a decorative cover of the engine.
  1. Remove assembly of the air cleaner (see the Section Removal and installation of the air cleaner).
  2. Remove the activator of a tempostat (No. 4 on an illustration the Components which are subject to removal for access to the GRM drive).
  3. Remove the top strut of a motive compartment (see the Head Kuzov).
  4. Separate the following components:
  5. Socket and collar of an electrical wiring of the generator;
  6. Two tires of grounding from the right wheel arch;
  7. The grounding tire from the left wheel arch;
  8. The socket of the filter of noise from the left wheel arch;
  9. Negative wire from the battery;
  10. Two sockets from the block of the relay and safety locks in a motive compartment;
  11. Hose of the vacuum amplifier of brakes from an air chamber;
  12. Heater hoses from the inlet pipeline of a branch pipe of giving of OZh;
  13. The fuel giving hose from a fuel tube;
  14. Cable of the drive of a butterfly valve from the throttle case;
  15. Purge hose from assembly of the valve of decrease in toxicity of OG;
  16. Two vacuum hoses from the ACIS vacuum chamber;
  17. The top hose of a radiator from a water waste branch pipe;
  18. The lower hose of a radiator from giving cooling system tube;
  19. Two hoses of cooling of ATF from two cabins of transmission;
  20. Remove ECM (see the Head Sistemy of electric equipment of the engine).
  21. Turn out two nuts of fastening of the holder of a plait of an electrical wiring of the engine to a partition of a motive compartment and extend a plait.
  22. Remove the generator (see the Head Sistemy of electric equipment of the engine).
  23. Remove the K/V compressor (cm the Head of the Cooling system of the engine, heating, ventilation and air conditioning).
  24. Disconnect a cable of switching of the AT modes from transmission.
  25. Turn out two nuts of fastening of forward section No. 2 of an exhaust pipe to the catalytic converter and to forward section of an exhaust pipe then remove section No. 2 together with two laying (No. No. 17-19).

The components interfaced to the engine

1 — Draft of fastening of the engine
2 — the Right basic arm No. 2
3 — the Right power shaft
4 — the Tip of steering draft
5 — the Forward driveshaft
6 — the Clamp
7 — the Cable switching of the AT modes
8 — the Left power shaft
9 — Assembly of an intermediate shaft
10 — Nizhny Novgorod the suspension bracket lever

11 — a suspension bracket stabilizer Rack
12 — the Back lower left support of a stretcher
13 — the Back lower right support of a stretcher
14 — the Forward lower right support of a stretcher
15 — the Forward lower left support of a stretcher
16 — Loker of a forward right wing
17 — Laying
18 — Forward section of an exhaust pipe
19 — Forward section No. 2 of an exhaust pipe
20 — Loker of a forward left wing


 PERFORMANCE ORDER

  1. Turn out two nuts of fastening of forward section of an exhaust pipe (No. 18) to a final collector of the right number of cylinders, and also two bolts and two nuts of its fastening to the central section of an exhaust pipe. Remove forward section of an exhaust pipe together with two laying.
  2. Remove a loker of the right wing.
  3. Disconnect racks of the stabilizer of a forward suspension bracket (see the Head Podvesk and steering).
  4. Remove cardan, intermediate and power shafts (see the Head the Transmission line).
  5. Disconnect vacuum hoses from a forward stretcher, disconnect the socket and a collar of an electrical wiring of VSV of management of an engine support, turn out the screw and remove VSV.
  6. Disconnect GUR hoses from the tank and from a GUR liquid tank tube.
  7. Turn out a bolt and pick up the phone of cooling of ATF from a forward stretcher.
  1. Establish a lifting hook of the engine, tighten its fixing bolts with effort of 19.5 Nanometers and hang out the engine.

Posting of the engine in the way, excellent from described above is not allowed.


  1. Remove draft of fastening of the engine and the right basic arm No. 2 of the engine.
  1. Turn out 8 bolts and remove support of a forward stretcher.
  1. Having made sure that the power unit any more connects nothing with a car body, lower the power unit together with a stretcher from a motive compartment, trying not to touch any components at the same time.
  2. Remove from the engine the pump GUR (see the Head Podvesk and steering).
  3. Turn out 4 bolts and remove the forward stabilizer of a suspension bracket.
  4. Disconnect GUR hose from a tube, turn out two bolts and a nut and remove assembly of the steering mechanism with drafts (see the Head Podvesk and steering).

Components of deduction of the engine

1 — the GUR liquid pressure D/V electrical wiring Socket
2 — the Pressure head tube of GUR
3 — a pump GUR drive Belt
4 — the Pump GUR
5 — the Forward support of the engine

6 — the Back arm of fastening of the engine
7 — the Quencher of fluctuations of the engine
8 — the Forward stabilizer of a suspension bracket
9 — the Steering mechanism and steering drafts
10 — the Forward stretcher


 PERFORMANCE ORDER

  1. Turn out three bolts of fastening of a forward support of the engine (5) to a forward stretcher (No. 10).
  2. Turn out 4 bolts and remove a quencher of fluctuations of the engine (No. 7).
  3. Turn out 4 bolts of fastening of AT to the left support of the power unit.
  4. Give a nut of a back arm of fastening of the engine (No. 6) to a back support of the power unit and remove a forward stretcher.
  5. Turn out 4 bolts and remove a forward support and a back arm from the engine.
  6. Separate AT from the engine (see the Head Automatic transmission and interaxal differential).

Check of support and installation of the power unit

 PERFORMANCE ORDER

  1. Check a condition of a forward support of the engine. For this purpose by means of the manual vacuum pump create depression of 0.8 atm and hold it about a minute. Make sure that indications of the vacuum gage do not change, and also in lack of leak of liquid through a support diaphragm.
  2. Check an engine VSV support chain – at a temperature of 20 a hail. resistance between contacts of the VSV socket has to be no more than 18 ÷ of 22 Ohms. At the same time conductivity has to be absent between each of contacts and the VSV case.
  1. Check serviceability of functioning of a VSV support of the engine – in the absence of tension on contacts VSV air has to go out of G and E unions, and in the presence of voltage of 12 V – of F and E unions.
  1. Installation is made as it should be, the return to an order of dismantle of components. Tighten all fixture with the required efforts.
  2. At installation of the right basic arm No. 2 and draft of fastening of the engine at first tighten their fixture by hand, then tighten A bolt with effort of 64 Nanometers, and then tighten other bolts with the required efforts.