Mazda Engine SKYACTIV-G 2.5. Manual — part 17
MECHANICAL
01-10–52
Rear Oil Seal Assembly Note
1. Apply clean engine oil to the inner surface of a new rear oil seal.
2. Insert the rear oil seal into the cylinder block by hand.
3. Tap the oil seal in evenly using the
SST and a
hammer.
Rear oil seal press on amount
0—0.5 mm {0—0.019 in}
A
HAMMER
CYLINDER BLOCK
VIEW FROM A
49 S033 101
49 S033 101
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B
B
SECTION B-B
REAR OIL SEAL
REAR OIL SEAL
CYLINDER BLOCK
0—0.5 mm
{0—0.019 in}
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MECHANICAL
01-10–53
01-10
End Plate Assembly Note
1. After end plate assembly, crimp the parts A and B shown in the figure.
Crimp procedure
Crimp depth: 0.1—1.0 mm {0.004—0.039 in}
Crimp width: 0.5—10.0 mm {0.02—0.39 in}
Crimp locations: Part A is 1 or more on one-side within shaded area and part B is 2 or more within
shaded areas
2. After crimping, verify that there is no damage and removal of the end plate.
Dual-mass Flywheel (MTX)/ Drive Plate (ATX) Installation Bolt Assembly Note
Dual-mass flywheel installation bolt (MTX)
1. Hold the crankshaft using the
SST (49 E011 1A0).
2. Temporarily tighten the new bolts.
Note
• If the dual-mass flywheel (secondary flywheel side) is not positioned properly, perform the following
procedure to install it:
(1) Temporarily tighten the new bolts to the
position as shown in the figure.
B
TUBULAR PIN
mm {in}
END PLATE
A
10 {0.39}
10 {0.39}
45
°
45
°
45
°
45
°
TUBULAR
PIN
10 {0.39}
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49 G033 102
49 E011 1A0
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MECHANICAL
01-10–54
(2) Install the
SST (49 S120 710) to the dual-
mass flywheel.
(3) Rotate the dual-mass flywheel (secondary
flywheel side) using the
SST (49 S120 710),
and then temporarily tighten the remaining
new bolt after removing the
SST (49 G033
102).
3. Tighten the new bolts in two or three passes in
the order shown in the figure.
Tightening torque
152—160 N·m {15.5—16.3 kgf·m, 113—118
ft·lbf}
Drive plate installation bolt (ATX)
1. Hold the crankshaft using the
SST.
2. Tighten the new bolts in two or three passes in
the order shown in the figure.
Tightening torque
108—116 N·m {11.1—11.8 kgf·m, 80—85
ft·lbf}
Knock Sensor (KS) Assembly Note
• Verify that there is no foreign matter caught between the KS unit and cylinder block.
• The direction of the knock sensor connector must
be within the range shown in the figure.
End Of Sie
49 E011 1A0
49 S120 710
49 G033 102
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8
4
1
6
2
7
5
3
49 E011 1A0
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49 E011 1A0
5
4
3
6
1
2
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60º
KS
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MECHANICAL
01-10–55
01-10
CYLINDER HEAD ASSEMBLY (I)
id011000504300
1. Assemble in the order indicated in the table.
.
3
1
2
R
R
7
SST
SST
5
4
6
9
8
OIL
OIL
N·m {kgf·cm, in·lbf}
8—11
{82—112,
71—97}
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1
Lower valve spring seat
2
Valve seal
(See 01-10-56 Valve Seal Assembly Note.)
3
Valve
4
Valve spring
(See 01-10-56 Valve Spring Assembly Note.)
5
Upper valve spring seat
6
Valve keeper
(See 01-10-57 Valve Keeper Assembly Note.)
7
Water outlet
(See 01-10-57 Water Outlet Assembly Note.)
8
Thermostat
(See 01-10-58 Thermostat Assembly Note.)
9
Thermostat cover
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