Mazda Engine SKYACTIV-G 2.5. Manual — part 7

MECHANICAL

01-10–12

5. Insert a wire with an

approx. diameter of 1.5 mm

{0.059 in} or a paper clip where the link plate hole

and the tensioner body hole overlap to secure the

link plate and lock the plunger.

6. Remove the chain tensioner.

Oil Pump Chain Disassembly Note

1. Hold the crankshaft using the

SST.

2. Slightly loosen the balancer shaft sprocket and oil

pump driven sprocket installation bolts.

Note

• At this stage, only loosen the installation

bolts, do not remove them. Remove the bolts

after removing the oil pump chain tensioner.

3. Set a cloth wrapped flathead screwdriver in the

gap between the oil pump drive sprocket and the

oil pump chain as shown in the figure.

WIRE OR
PAPER CLIP

TENSIONER BODY HOLE

LINK PLATE

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49 E011 1A0

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OIL PUMP CHAIN TENSIONER

OIL PUMP CHAIN

OIL PUMP DRIVE
SPROCKET

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MECHANICAL

01-10–13

01-10

4. Move the screwdriver in the direction of the arrow and press the oil pump chain, and then press on the plunger

of the oil pump chain tensioner.

5. Insert a wire with an approx. diameter of 1.4 mm

{0.055 in} or a paper clip into the body hole of the

oil pump chain tensioner with the plunger

pressed.

Note

• The wire or paper clip secures the plunger,

and the tension can be released.

6. Remove the oil pump chain tensioner.

7. Remove the oil pump chain and balancer shaft

sprocket as a single unit.

8. Remove the oil pump driven sprocket.

End Of Sie

OIL PUMP CHAIN TENSIONER

OIL PUMP CHAIN

BEFORE PRESSING

AFTER PRESSING

OIL PUMP CHAIN TENSIONER

OIL PUMP CHAIN TENSIONER

PLUNGER

OIL PUMP DRIVE
SPROCKET

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WIRE OR
PAPER CLIP

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MECHANICAL

01-10–14

CYLINDER HEAD DISASSEMBLY (I)

id011000500400

Caution

If the camshaft is rotated with the timing chain removed and the piston at the top dead center

position, the valve may contact the piston and the engine could be damaged. When rotating the

camshaft with the timing chain removed, rotate it after lowering the piston from the top dead

center position.

When rotating the camshaft using a

wrench on the cast hexagon, the wrench

may contact the rocker arm and damage

the rocker arm. To prevent damage to the

rocker arm when holding the camshaft on

the cast hexagon, use a wrench on the

rear side of the engine as shown in the

figure to secure a clearance between the

cam.

Note

• Width at the cast hexagon of the camshaft is

22—24 mm {0.87—0.94 in}.

CAMSHAFT

WRENCH

CAST HEXAGON

ROCKER ARM

CONTACT

ENGINE REAR

DOES NOT CONTACT

SECURE CLEARANCE

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22

24 mm

{0.87

0.94 in}

CAMSHAFT

CAST HEXAGON

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MECHANICAL

01-10–15

01-10

1. Disassemble in the order indicated in the table.

.

2

1

3

4

6

R

R

WATER
PUMP

R

7

8

9

WITH OIL COOLER

WITHOUT OIL COOLER

5

10

8

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1

Electric variable valve timing actuator, hydraulic

variable valve timing actuator

(See 01-10-16 Electric Variable Valve Timing

Actuator, Hydraulic Variable Valve Timing Actuator

Disassembly Note.)

2

OCV

3

Camshaft cap

(See 01-10-16 Camshaft Cap Disassembly Note.)

4

Camshaft

5

OCV oil filter

6

Rocker arm

(See 01-10-16 Rocker Arm Disassembly Note.)

7

HLA

(See 01-10-16 HLA Disassembly Note.)

8

Water inlet pipe

9

Cylinder head

(See 01-10-16 Cylinder Head Disassembly Note.)

10

Cylinder head gasket

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Текст

Политика конфиденциальности