Mazda CX 7. Manual — part 103

MECHANICAL [L3 WITH TC]

01-10–15

01-10

2007 Mazda CX-7 Workshop Manual (1871–1U–06B)

Revised 11/2006 (Ref. No. R172/06)

3. Release the ratchet with the plunger still pressed

down.

4. Press-in the plunger until the ratchet position is as

indicated in the figure, and then insert the wire to
lock the plunger.

Oil Pump Driven Sprocket Removal Note

1. Temporarily install the crankshaft pulley and

crankshaft pulley lock bolt to the crankshaft, and
lock the oil pump against rotation as shown in
figure.

2. Remove the oil pump driven sprocket, and then

remove the crankshaft pulley and crankshaft
pulley lock bolt.

Oil Pump Drive Sprocket Installation Note

1. The oil pump drive sprocket has the assembly

direction as shown in the figure.

RATCHET

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RATCHET

WIRE INSERTION
HOLE

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CRANKSHAFT
PULLEY

OIL PUMP DRIVEN
SPROCKET

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ENGINE FRONT

CRANKSHAFT SPROCKET

OIL PUMP DRIVE SPROCKET

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MECHANICAL [L3 WITH TC]

01-10–16

2007 Mazda CX-7 Workshop Manual (1871–1U–06B)

Revised 11/2006 (Ref. No. R172/06)

Oil Pump Driven Sprocket Installation Note

1. Temporarily install the crankshaft pulley and

crankshaft pulley lock bolt to the crankshaft, and
lock the oil pump against rotation as shown in
figure.

2. Install the oil pump driven sprocket, and then

remove the crankshaft pulley and crankshaft
pulley lock bolt.

Tightening torque

20—30 N·m {2.1—3.0 kgf·m, 15—22 ft·lbf}

Timing Chain Installation Note

1. Install the SST to the camshaft as shown in the

figure.

2. Install the timing chain.
3. Remove the wire or paper clip from the chain

tensioner piston and apply tension to the timing
chain.

Front Oil Seal Installation Note

1. Apply clean engine oil to a new front oil seal.
2. Push the front oil seal in the engine front cover by hand.
3. Use the SST to tap in the front oil seal.

Front oil seal press-in amount

0— 0.5 mm {0— 0.019 in}

CRANKSHAFT
PULLEY

OIL PUMP DRIVEN
SPROCKET

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303-1061

(49 UN30 310610)

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49 H010 401

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HAMMER

FRONT OIL SEAL

FRONT COVER BODY

49 H010 401

0—0.5 mm
{0—0.019 in}

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MECHANICAL [L3 WITH TC]

01-10–17

01-10

Engine Front Cover Installation Note

1. Apply silicone sealant to the engine front cover.

Caution

• Install the engine front cover within 10 min of applying the silicone sealant.

• Silicone sealant is not needed in area C

shown in the figure.

Thickness

A: 2.2— 3.2 mm {0.087— 0.12 in}
B: 1.5— 2.5 mm {0.06— 0.098 in}

2. Tighten the engine front cover installation bolts in

the order shown in the figure.

No.3 Engine Mount Installation Note

1. Tighten the No.3 engine mount stud bolts.

Tightening torque

7.0— 13 N·m {72— 132 kgf·cm, 62— 115

in·lbf}

Note

• If the No.3 engine joint bracket and the

engine are removed, retighten the No.3
engine mount stud bolt

A

B

B

C

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Installation

Position

Tightening Torque

1

18

8.0— 11.5 N·m {82— 117 kgf·cm, 71—

101 in·lbf}

19

22

40— 55 N·m {4.1— 5.6 kgf·m, 30— 40

ft·lbf}

9

8

7

5

4

3

1

2

10

6

19

18

17

15

16

14

13

11

12

20

21

22

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No.3 ENGINE
MOUNT
BRACKET
STUD BOLT

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1871-1U-06B(01-10).fm 17 ページ ２００６年３月１５日 水曜日 午前１０時３９分

MECHANICAL [L3 WITH TC]

01-10–18

2. Temporarily tighten the bolts and nuts in the order

shown in the figure.

3. Tighten the bolts and nuts in the order shown in

the figure.

Tightening torque

74.5— 104.9 N·m {7.6— 10.6 kgf·m, 55.0—

77.3 ft·lbf}

Crankshaft Pulley Lock Bolt Installation Note

1. Install the SST to the camshaft as shown in the

figure.

2. Verify that cylinder No.1 is at TDC of the

compression stroke. (Position crank weight
contacts SST.)

3. To position the crankshaft pulley, temporarily

tighten it and, using a suitable bolt (M6 X 1.0
length 25— 35 mm {0.99— 1.3 in}), fix the
crankshaft pulley to the engine front cover.

4. Install theSSTs to the crankshaft pulley, lock the

crankshaft against rotation, and tighten the
crankshaft pulley lock bolt using the following two
steps.

Tightening procedure

(1) 96— 104 N·m {9.8— 10.6 kgf·m, 70.9—

76.7 ft·lbf}

(2) 87

°— 93°

1

5

4

2

3

FRONT

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3

2

1

4

5

FRONT

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303-1061

(49 UN30 310610)

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BOLT

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205-126

205-07202

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1871-1U-06B(01-10).fm 18 ページ ２００６年３月１５日 水曜日 午前１０時３９分