Mazda 3 since 2003
1. Operation and maintenance of the car
2. Engine
2.1. General description of new engines of the L8, LF and L3 models
2.2. Mechanical part of engines
2.3. Appendix 1
2.4. Appendix 2
2.5. Appendix 3
2.6. The Z6 engine – a mechanical part
2.6.1. Check of a belt of the drive of auxiliary units
2.6.2. Check of thermal gaps in the mechanism of the drive of valves
2.6.3. Check of a compression
2.6.4. Removal and installation of a chain of the drive of the mechanism of gas distribution
2.6.5. Replacement of laying of the block of cylinders
2.6.5.1. Removal
2.6.5.2. Installation
2.6.5.3. Installation of a cover of the bearing of a cam-shaft
2.6.6. Replacement of a forward epiploon of a bent shaft
2.6.7. Replacement of a back epiploon of a bent shaft
2.6.8. Removal and installation of the engine
2.7. Lubrication system
2.8. Cooling system
2.9. System of an admission
2.10. Fuel system
2.11. System of production of the fulfilled gases and system of decrease in toxicity
2.12. System of ignition
2.13. Control system
2.14. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 








2-6-5-1-snyatie.html

2.6.5.1. Removal

Remove a gas distribution mechanism drive chain.
Remove the pipeline and an arm of the valve of recirculation of the fulfilled gases
Remove the forward sensor of concentration of oxygen with heating
Remove a rope of an accelerator and an arm
Remove a hose of supply of fuel and a plait of wires of a fuel nozzle
Remove an air hose, a throttle branch pipe and an inlet collector
Disconnect the following elements:
– the socket of the back sensor of concentration of oxygen with heating;
– main muffler.
Remove three-component catalytic converter.
Remove the top hose of a radiator.
Remove a heater radiator hose.

Fig. 2.271. Order of weakening of bolts of fastening of a cover of the bearing of a cam-shaft


Weaken bolts of fastening of a cover of the bearing of a cam-shaft in 2–3 passes in the order shown in the drawing (fig. 2.271).
Uncover cam-shaft bearings.

Fig. 2.272. Order of weakening of bolts of fastening of a head of the block of cylinders


Weaken bolts of fastening of a head of the block of cylinders in 2–3 passes in the order shown in the figure 2.272 and remove them.

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2.6.5. Replacement of laying of the block of cylinders
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2.6.5.2. Installation




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