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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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