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
			2.3.1. Lubrication system
			2.3.2. Cooling system
			2.3.3. Fuel system
			2.3.4. System of release
				2.3.4.1. Check of system of release
				2.3.4.2. Removal and installation of system of release
		2.4. Appendix 2
		2.5. Appendix 3
		2.6. The Z6 engine – a mechanical part
		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

2-3-4-2-snyatie-i-ustanovka-sistemy-vypuska.html

2.3.4.2. Removal and installation of system of release

Disconnect a negative wire of the rechargeable battery.

Remove the main muffler.

Remove an average pipe.

Remove three-component catalytic converter.

Remove the top thermal screen of a final collector with an arm.

Fig. 2.224. Order of untwisting of bolts of fastening of a final collector

Turn off 7 bolts of fastening of a final collector as it should be, the return specified in the figure 2.224.

Remove laying of a final collector.

Remove the lower thermal screen of a final collector.

Remove the forward sensor of concentration of oxygen with heating.

Remove the back sensor of concentration of oxygen with heating.

Fig. 2.225. Removal of the sensor of concentration of oxygen with heating with use of the special tool

NOTE

Remove sensors of concentration of oxygen with heating using the special tool (fig. 2.225).

Carry out installation as it should be, the return to removal.

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2.4. Appendix 2