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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
Installing the valve stem seals
Installing the cylinder head
Installing the camshaft
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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Installing the camshaft



Set camshafts, wherein the piston cylinder ?��1 must be set to TDC of the compression stroke.

Order of a tightening of bolts of fastening of covers of bearings of camshafts
Fig. 2.187. Order of a tightening of bolts of fastening of covers of bearings of camshafts


Tighten the camshaft bearing cap in two steps (Fig. 2.187).
Tighten to 5.0-9.0 Nm.
Tighten up 14.0-17,0 Nm.

Instructions for assembling the camshaft sprocket, the actuator variable valve timing (L3 with variable valve timing mechanism).
Bolt of an asterisk of a camshaft actuator, or variable valve timing (L3 with variable valve timing mechanism) is temporary, prior to installing the timing chain drive, screwed manually.

Tightening the screws on the camshaft sprocket (conventional engine), and the actuator variable valve timing
Fig. 2.188. Tightening the screws on the camshaft sprocket (conventional engine), and the actuator variable valve timing


The connecting bolt of an asterisk of a camshaft actuator, or variable valve timing (L3 with variable valve timing mechanism) after installing timing chain drive is mounted on the adhesive (Fig. 2.188).
Tightening torque: 69-75 Nm.




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Installing the cylinder head
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Assembling the valve timing

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