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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
Checking the engine coolant
Replacing engine coolant
Check radiator cap
Removing and installing radiator
Check the radiator
Removing and installing thermostat
Check thermostat
Removal, check and installation of the water pump
Fuel system
The 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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Check the radiator



Check if the heat sink is clogged with dirt. When necessary, clean the radiator as described below:
Not to bend or damage the fins.
When cleaning the radiator without removing it from the vehicle, remove all related parts, cooling fan, radiator shroud and horns. To prevent the ingress of water, wrap the wiring and connectors with protective tape.
Pour the radiator core from the back side with a hose vertically downwards.
Again, pour the water the entire surface of the radiator core (once per minute).
Stop watering when a heat sink is no longer drains dirty water.

Blowing radiator
Fig. 2.214. Blowing radiator: 1 - pump; 2 - a cover of a radiator


Bleed air from the radiator core back side vertically downward (Fig. 2.214).
Compressed air supply with a pressure below 113-142 kPa (1.1-1.4 kg / cm 2) and at a distance of more than 30 cm.
Again blow air the entire surface of the radiator core (once per minute) until it stops dripping.




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Removing and installing thermostat

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