Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and car operation

Toyota 4Раннер
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   - 3.1. 4-cylinder engines
      3.1.1. Specifications
      3.1.2. Types of repair, выполняемыe without removal of the engine from the car
      3.1.3. Installation of the piston of the 1st cylinder in VMT of a step of compression
      3.1.4. Cover of a head of cylinders
      3.1.5. A soaking-up collector
      3.1.6. Final collector
      3.1.7. Cam-shafts and pushers
      3.1.8. Head of cylinders
      3.1.9. Cover of a chain drive of cam-shafts
      3.1.10. Forward epiploon of the crankshaft
      3.1.11. Oil pallet
      3.1.12. Oil pump
      3.1.13. Flywheel (a leading disk of the hydrotransformer)
      3.1.14. Back epiploon of the crankshaft
      3.1.15. Engine mount details
   + 3.2. Engines of V6 3,0 l (1993-1994) and 3,4 l (since 1995)
   + 3.3. Dismantle and major maintenance of the engine
+ 4. Systems of heating, ventilation
+ 5. Fuel and exhaust systems
+ 6. Transmissions
+ 7. Transmission elements
+ 8. Brake system
+ 9. Suspension bracket and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electroschemes

3.1.8. Head of cylinders

GENERAL INFORMATION

Order of weakening of bolts of a head of the block of cylinders

Order of a tightening of bolts of a head of the block of cylinders

Prevention

Works are carried out on the cold engine.

Removal

PERFORMANCE ORDER

1. Disconnect the battery from weight.
2. Merge cooling liquid.
3. Merge from the engine oil and remove the oil filter.
4. Remove the case of a zaslonka, a nozzle and the fuel distributor.
5. Remove soaking-up collector.
6. Remove a final collector.
Prevention The soaking-up collector and final can be removed collectors together with a head of cylinders for final dismantling at the stand.
7. Remove the generator and the ignition distributor.
8. Remove a cam-shaft gear wheel with a chain, it is temporary оперев it on an uspokoitel of a chain.
9. Remove cam-shafts and pushers.
10. Unscrew bolts of fastening of the pump of the hydraulic booster and take the pump aside, without disconnecting hoses. Designate and disconnect remove other details (branch pipes of system of cooling, cables, hoses and conducting).
	11. Unscrew a fastening bolt (it is specified by an arrow), remove a masloukazatel.
	12. Unscrew 2 bolts of a cover of a chain.
13. Release bolts of a head of cylinders, turning on each bolt on 1/4 turns at one time. Release bolts in the specified sequence (see fig. Order of weakening of bolts of a head of the block of cylinders). Examine bolts, at detection of deformations or carving damages bolts replace.
	14. Remove a head of cylinders. If the head does not give in to removal, carefully hook a head, оберев a screw-driver on an arm of the pump of the hydraulic booster.
15. Remove from a head other details that is necessary for survey and careful cleaning. Procedures of repair of a head of cylinders are described in subsection 3.3.6).

Installation

PERFORMANCE ORDER

1. Clear demountable surfaces of a head and the block of cylinders.
	2. Accurately (having taken measures that dirt did not get to openings) соскребите a deposit and the remains of a material of laying.
3. Check existence on the demountable planes of a head and the block of cylinders задиров, chips, hollows and other damages. It is possible to eliminate insignificant damages with a file, at serious damages the head or the block are subject to repolishing.
4. Blow the compressed air all channels and openings.
5. Establish into place all details which have been removed at dismantling of a head.
	6. Put on the block of cylinders new laying, focusing on pins.
7. Carefully establish a head on the block of cylinders, without breaking the provision of laying. Oil persistent surfaces of heads of bolts for the engine.
8. Wrap by hand bolts of a head of cylinders on their former places. Short bolts wrap on the party of inlet valves, and long – from final. Tighten bolts with the set moment in the specified sequence (see fig. Order of a tightening of bolts of a head of the block of cylinders). At the 2nd and 3rd stages of an inhaling bolts доворачиваются on 1/4 turns (90 °).
9. Further assembly is carried out upside-down. Fill system of cooling with liquid, fill in oil. Start the engine, be convinced of lack of a leak. Establish the moment of ignition and carry out test of road performance of the car.