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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
Cylinder head cover
Cylinder Head
Cylinder head gasket
Cylinder block
The crankshaft and main bearing
Balancing unit
The principle of operation of the balancing unit
Vibration damper crankshaft
Engine Front Cover
Piston
Piston rings and piston pin
The connecting rod and connecting rod bearing
The valve mechanism - general information
Camshaft
Camshaft sprocket
Crankshaft sprocket
Timing chain drive
Chain tensioner timing
Valve, valve springs, valve stem seal, Valve Guides
Tappet
Variable valve timing mechanism
Lubrication system
Cooling system
Fuel system
Exhaust and Emission
Electric motors
The mechanical part of engines
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
 


Hit Counter by Digits


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Engine Front Cover



Engine Front Cover
Fig. 2.15. The front cover of the engine: 1 - vertical projection; 2 - technological hole for fixing the tensioner arm; 3 - technological hole to unlock the chain tensioner; 4 - engine mount bracket ?��3; 5 - hole mounting bolt crankshaft pulley; 6 - rear view; 7 - the oil filter; 8 - channel control of the oil valve


The front engine cover is made of aluminum alloy and is combined with the motor mounting bracket ?��3 that reduces noise and weight. The hole for the installation of the crankshaft pulley bolt, technological hole to unlock the ratchet chain tension adjuster and technological hole for fixing the tensioner arm by loosening the chain valve timing, are on the front cover of the engine. On models of the engine oil line L3 and an integrated oil filter located on the front cover (Fig. 2.15).




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