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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

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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
 


Hit Counter by Digits


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Assembling the valve timing



Install the crankshaft sprocket.
Install the oil pump chain.

Fixing the chain oil pump special tool
Fig. 2.189. Fixing the chain oil pump special tool


Secure oil pump sprocket special device (Fig. 2.189).
Install the oil pump chain guide.
Install chain tensioner for oil pump drive.

Installation of a special device on the camshaft
Fig. 2.190. Installation of a special device on the camshaft


Install the special tool on the camshaft, and then set the first cylinder to TDC (Fig. 2.190).
Remove the bottom cap of the cylinder.

Installation of a special device
Fig. 2.191. Installation of a special device


Install special tool as shown in Figure 2.191.
Turn the crankshaft clockwise to the TDC Piston ?��1.
Install the timing chain drive mechanism.

Install chain tensioner
Fig. 2.192. Install chain tensioner


Install chain tensioner and remove the retaining wire (Fig. 2.192).

Lock the camshaft
Fig. 2.193. Lock the camshaft


Hold the camshaft using a suitable wrench on the hexagon, as shown in Figure 2.193.
Tighten the fixing bolt of the camshaft sprocket.
Tightening torque: 69-75 Nm.
Coat the crankshaft front oil seal clean engine oil.
Slightly press in the oil seal by hand.
Press in the oil seal using the special tool and a hammer.

Places applying sealant on the engine front cover
Fig. 2.194. Places applying sealant on the engine front cover


Kremnievoorganichesky Apply sealant to the engine front cover as shown in Figure 2.194.

NOTE
Install the cylinder head cover 10 minutes after applying the sealant.
Kremnievoorganichesky sealant is not required in the area C, as shown in the figure, since he's already there (L3 with variable valve timing mechanism).

Thickness:
A: 2,0-3,0 mm;
B: 1,5-2,5 mm.

Order of a tightening of bolts fastening the cylinder head cover
Fig. 2.195. Order of a tightening of bolts fastening the cylinder head cover


Install cover bolts to the cylinder head in the order shown in Figure 2.195.
Reinstall the special device on the camshaft, as shown in Figure 2.191.

Installing the locking bolt on the crankshaft pulley
Fig. 2.196. Installing the locking bolt on the crankshaft pulley


Screw bolt M6x1,0 hand (Fig. 2.196).
Turn the crankshaft clockwise to the TDC Piston ?��1.

Lock the crankshaft pulley
Fig. 2.197. Lock the crankshaft pulley


Hold the crankshaft pulley from rotating by means of a special device (Fig. 2.197).
Tighten the bolt of the crankshaft pulley in two steps.
Tighten to 96-104 Nm.
Tighten to 87-93 ?�.
Remove the bolt M6x1,0.
Remove special tool with camshaft.
Remove the special tool from the hole bottom cap cylinder.
Rotate the crankshaft clockwise two turns until the TDC position.
If TDC can not be achieved, loosen the crankshaft pulley bolt and repeat.
Replace the bottom of the cylinder plug.
Torque: 20 Nm.

Places applying sealant
Fig. 2.198. Places applying sealant


Kremnievoorganichesky Apply sealant to the mating surfaces, as shown in Figure 2.198.

NOTE
Install the cylinder head cover 10 minutes after applying the sealant.
The diameter of the point: 4.0-6.0 mm.

Install the cylinder head cover with a new gasket.

Order of a tightening of bolts fastening the cylinder head cover
Fig. 2.199. Order of a tightening of bolts fastening the cylinder head cover


Tighten the bolts in the order shown in Figure 2.199.
The inhaling moment: 8,0-12,0 Nm.




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Installing the camshaft
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Appendix 1

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