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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)
general info. full specifications. diagnostics. hints. tips. tricks
 Mazda 3
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Mazda
3
Operation and maintenance of car
Engine
General description new engines models L8, LF, L3
The mechanical part of engines
Appendix 1
Lubrication system
Cooling system
Fuel system
The exhaust system
Check exhaust system
Removing and installing exhaust system
Annex 2
Appendix 3
Engine Z6 - mechanical part
Lubrication system
Cooling system
Intake system
Fuel system
Exhaust and Emission
Ignition system
Control system
Tables
Transmission
Chassis
Steering Gear
Brakes
Onboard electric
Body
 


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Removing and installing exhaust system



Disconnect the negative battery cable.
Remove the main silencer.
Remove the middle pipe.
Remove the three-way catalyst.
Remove the upper heat shield of the exhaust manifold with the bracket.

Procedure for loosening bolts of the exhaust manifold
Fig. 2.224. Procedure for loosening bolts of the exhaust manifold


Remove the 7 bolts of the exhaust manifold in the reverse order listed in Figure 2.224.
Remove the exhaust manifold gasket.
Remove the bottom heat shield of the exhaust manifold.
Remove the front oxygen sensors are heated.
Remove the rear oxygen concentration sensor is heated.

Removal of the oxygen concentration sensor heated by using a special tool
Fig. 2.225. Removal of the oxygen concentration sensor heated by using a special tool



NOTE
Oxygen sensors to remove the heated using a special tool (Fig. 2.225).

Installation perform in reverse order.




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Annex 2

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