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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
Engine Model L8 or LF
Checking the contents of the CO / CH in the exhaust gas
Measurement of engine compression
Verify accessory drive belt
General information and safety when removing the power unit
Removal of sealant
Removal and installation of the power unit
Check actuator variable valve timing (L3)
Removal and installation of the actuator variable valve timing (L3)
Timing chain drive
Removal and installation of the oil control valve (OCV) (L3)
Checking the oil control valve (OCV) (L3)
By operation of the spool valve (OCV) (L3)
General repair operations on the power unit
Check the cylinder head
Assembling the cylinder (the beginning)
Assembling the cylinder (the end)
Assembling the cylinder head
Assembling the valve timing
Appendix 1
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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Removal and installation of the oil control valve (OCV) (L3)



Disconnect the negative battery cable.
Remove the plug hole plate.
Remove the high-voltage wire.
Disconnect the connector of the oil control valve (OCV).
Measure the resistance between terminals A and B using an ohmmeter.
Remove the ventilation hose.
Remove the cylinder head cover.

Comp powertrain dismantled when removing the timing chain drive
Fig. 2.102. Comp powertrain dismantled when removing the timing chain drive: 1 - the cylinder head cover; 2 - fixing the crankshaft pulley bolt; 3 - crankshaft pulley; 4 - the water pump pulley; 5 - idler belt; 6 - the rubber engine mount bracket and ?��3 engine ?��3; 7 - the front engine cover; 8 - front oil seal; 9 - chain tensioner; 10 - tensioner arm; 11 - chain guide; 12 - chain valve timing; 13 - seal; 14 - chain tensioner for oil pump; 15 - directing the chain oil pump; 16 - an asterisk of the oil pump; 17 - the chain oil pump; 18 - the camshaft sprocket


Remove the control oil valve (OCV) (Fig. 2.102).

Removal of the oil control valve (OCV)
Fig. 2.116. Removal of the oil control valve (OCV): 1 - Managing the oil valve (OCV)


Install in the reverse order of removal.





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Checking the oil control valve (OCV) (L3)

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