Mazda 3 since 2003
1. Operation and car maintenance
2. Engine
2.1. General description of new engines of the L8, LF and L3 models
2.2. Mechanical part of engines
2.3. Appendix 1
2.4. Appendix 2
2.5. Appendix 3
2.6. The Z6 engine – a mechanical part
2.6.1. Check of a belt of a drive of auxiliary units
2.6.2. Check of thermal gaps in the mechanism of a drive of valves
2.6.2.1. Adjustment of thermal gaps in the mechanism of a drive of valves
2.6.3. Compression check
2.6.4. Removal and installation of a chain of a drive of the mechanism of a gazoraspredeleniye
2.6.5. Replacement of laying of the block of cylinders
2.6.6. Replacement of a forward epiploon of a cranked shaft
2.6.7. Replacement of a back epiploon of a cranked shaft
2.6.8. Removal and engine installation
2.7. Greasing system
2.8. Cooling system
2.9. Admission system
2.10. Fuel system
2.11. System of production of the fulfilled gases and system of decrease in toxicity
2.12. Ignition system
2.13. Control system
2.14. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 







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2-6-2-proverka-teplovykh-zazorov-v-mekhanizme-privoda-klapanov.html

2.6.2. Check of thermal gaps in the mechanism of a drive of valves




Uncover the storage battery.
Disconnect a negative wire from the storage battery.
Remove the bottom cover and a mudguard (right).
Remove knot of the air filter.
Remove ignition coils.
Disconnect a ventilation hose.
Uncover heads of the block of cylinders.
Measure a klapanny gap.
Turn a cranked shaft clockwise so that the piston No. 1 was in VMT of a step of compression.

Fig. 2.236. Order of measurement of klapanny gaps


Measure a klapanny gap in a point And (fig. 2.236).
If the gap does not correspond to norm, replace a pusher of the valve and adjust a klapanny gap on average value.
Standard klapanny gap (on the cold engine): 0,27–0,33 mm.

NOTE
Write down the measured values to choose the corresponding pushers of the valve for replacement.

Turn a cranked shaft on 360 ° clockwise so that the piston No. 4 was in VMT of a step of compression.
Measure a klapanny gap in B point (see fig. 2.236).
If does not correspond to norm, replace a pusher of the valve and adjust a klapanny gap on average value.
Standard klapanny gap (on the cold engine): 0,27–0,33 mm.
Establish a cover of a head of the block of cylinders.
Connect a ventilation hose.
Establish ignition coils.
Establish knot of the air filter.
Establish the bottom cover and a mudguard (right).

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2.6.2.1. Adjustment of thermal gaps in the mechanism of a drive of valves