Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and car operation

Toyota 4Раннер
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Systems of heating, ventilation
+ 5. Fuel and exhaust systems
+ 6. Transmissions
+ 7. Transmission elements
- 8. Brake system
   8.1. Specifications
   8.2. ABS system
   8.3. Blocks of disk brakes
   8.4. Brake support
   8.5. Brake disk
   8.6. Blocks of drum-type brakes
   8.7. Wheel cylinder of back brakes
   8.8. Main cylinder of brakes
   8.9. Hoses and hydraulic actuator tubes
   8.10. Pressure regulator
   8.11. Hand brake
   8.12. Cables of the hand brake
   8.13. Vacuum amplifier of brakes
   8.14. Pumping of brakes
   8.15. Adjustment of a pedal of a brake
   8.16. Switch of a signal of braking
+ 9. Suspension bracket and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electroschemes

8.13. Vacuum amplifier of brakes


1. In use care of this unit it is not required. It is necessary to check only a condition of a hose and the case of the amplifier.
2. For check of operation of the amplifier several times press a brake pedal on the idle engine. The pedal course by each pressing should not change (is checked on distance to a floor).
3. Press a pedal and start the engine, – the pedal should be displaced a little forward.
4. Start the engine, later 1–2 mines stop. With force press a pedal several times, – the course of a pedal should decrease gradually.
5. Start the engine and press a pedal. Holding a pedal pressed, stop the engine, – during 30 seconds after a stop the provision of a pedal should not change.
6. If the amplifier is faulty, he will lie down to replacement.


1. Disconnect from the amplifier a hose (it is specified by an arrow).
2. Unscrew nuts of the main cylinder and carefully remove the cylinder from hairpins.
3. In salon расшплинтуйте an axis also unhook a pedal spring (the axis of a pusher and a spring are specified by shooters). Get an axis and disconnect a pusher fork from a pedal.
4. Unscrew nuts of fastening of the amplifier (are specified by shooters) to a partition of a motor compartment.
5. Carefully submit the amplifier and remove when hairpins leave a partition.


1. Installation is carried out upside-down. Replace шплинт axes. Adjust a brake pedal.
2. If the new unit is established, adjust a vystupaniye of a pusher of the main cylinder over the case of the amplifier. For this purpose execute the following.
3. Measure a pusher vystupaniye taking into account laying (1–gap). It is the size A.Zazora between a pusher and the piston of the cylinder should not be, the course of a pedal of a brake otherwise increases. On the other hand the pusher should not rest against the piston as braking will be incomplete excessively.
4. Measure distance from an end face of the main cylinder to a flange. It is the size B.
5. Measure distance from a cylinder end face to the bottom piston dredging. It is the size C.
6. The gap between a pusher and the piston is equal (In - C) - A.Otreguliruyte a pusher vystupaniye, rotating a pusher tip. Establish such vystupaniye And that the gap was equal 0.