Mazda 3 since 2003
1. Operation and car maintenance
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 a drive of auxiliary units
2.6.2. Check of thermal gaps in the mechanism of a drive of valves
2.6.3. Compression check
2.6.4. Removal and installation of a chain of a drive of the mechanism of a gazoraspredeleniye
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 cranked shaft
2.6.7. Replacement of a back epiploon of a cranked shaft
2.6.8. Removal and engine installation
2.7. Greasing system
2.8. Cooling system
2.9. Admission system
2.10. Fuel system
2.11. System of production of the fulfilled gases and system of decrease in toxicity
2.12. Ignition system
2.13. Control system
2.14. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 








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2-6-5-1-snyatie.html

2.6.5.1. Removal

Remove a chain of a drive of the mechanism of a gazoraspredeleniye.
Remove the pipeline and an arm of the valve of a retsirkulyatsiya 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 exhaust silencer.
Remove three-componental catalytic converter.
Remove the top hose of a radiator.
Remove a hose of a radiator of a heater.

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 an order shown in drawing (fig. 2.271).
Remove covers of bearings of a cam-shaft.

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 an order shown in drawing 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