Mazda CX 7. Manual - part 104

MECHANICAL [L3 WITH TC]

01-10–19

01-10

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

Revised 9/2006 (Ref. No. R115/06) 

5. Remove the bolt (M6 X 1.0 length 25— 35 mm {0.99— 1.3 in}) installed to the crankshaft pulley.
6. Remove the SST from the camshaft.
7. Remove the SST installed in the cylinder block lower blind plug hole.
8. Rotate the crankshaft clockwise two turns and inspect the valve timing.

• If not aligned, repeat from Step 1.

9. Install the cylinder block lower blind plug.

Tightening torque

18— 22 N·m {1.9— 2.2 kgf·m, 14— 16 ft·lbf}

Cylinder Head Cover Installation Note

1. Apply silicone sealant to the areas shown in the 

figure.

Thickness

5.0 mm {0.20 in}

2. Tighten the cylinder head cover bolts in the order 

shown in the figure.

Tightening torque

8.0—9.5 N·m {82—96 kgf·cm, 71—84 in·lbf}

End Of Sie

WM: CYLINDER HEAD GASKET

BLIND 
PLUG

acxuuw00000244

SEALANT

SEALANT

acxuuw00000245

SEALANT

SEALANT

acxuuw00000246

9

8

7

5

4

3

1

2

10

14

13

11

12

6

acxuuw00000247

MECHANICAL [L3 WITH TC]

01-10–20

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

CYLINDER HEAD GASKET REPLACEMENT[L3 WITH TC]

id011039800700

Warning

• Fuel vapor is hazardous. It can very easily ignite, causing death, serious injury, or damage. Always 

keep sparks and flames away from fuel.

• Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can easily ignite 

and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent 
this, always perform the Fuel Line Safety Procedure. (See01-14-4 BEFORE REPAIR 
PROCEDURE[L3 WITH TC].)

1. Remove the timing chain. (See01-10-10 TIMING CHAIN REMOVAL/INSTALLATION[L3 WITH TC].)
2. Remove the generator. (See 01-17-4 GENERATOR REMOVAL/INSTALLATION[L3 WITH TC].)

Note

• Place the generator out of the way with the wiring harnesses connected.

3. Remove the exhaust manifold. (See 01-15-2 EXHAUST SYSTEM REMOVAL/INSTALLATION[L3 WITH TC].)
4. Remove the intake manifold. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC].)
5. Disconnect the heater hose and radiator hose.
6. Disconnect the wiring harness.
7. To firmly support the engine, first set the engine 

jack and attachment to the oil pan.

8. Remove in the order indicated in the figure.
9. Install in the reverse order of removal.

10. Bleed the air from the cooling system. (See01-12-

5 ENGINE COOLANT REPLACEMENT[L3 WITH 
TC].)

11. Inspect the compression pressure. (See01-10-9 

COMPRESSION INSPECTION[L3 WITH TC].)

ENGINE JACK

ATTACHMENT

ENGINE, TRANSAXLE

acxuuw00000249

MECHANICAL [L3 WITH TC]

01-10–21

01-10

OIL

R

5.0—9.0 N·m {51—91 kgf·cm, 45—79 in·lbf}  

N·m {kgf·m, ft·lbf}

8.0—11.5 N·m {82—117 
kgf·cm, 71—101 in·lbf}

+14—17 {1.5—1.7, 11—12}

3.0—11 N·m {31—112 kgf·cm, 27—97 in·lbf}  

+13—17 N·m {133—173 kgf·cm, 116—150 in·lbf}  

+43—47 {4.4—4.7, 32—34}
+88

°

—92

°

+88

°

—92

°

4

3

1

2

SEALANT

acxuuw00000250

1

OCV

2

Camshaft
(See01-10-22 Camshaft Removal Note.)
(See01-10-23 Camshaft Installation Note.)

3

Cylinder head
(See01-10-22 Cylinder Head Removal Note.)
(See01-10-22 Cylinder Head Installation Note.)

4

Cylinder head gasket

1871-1U-06B(01-10).fm  21 ページ  ２００６年３月１５日　水曜日　午前１０時３９分

MECHANICAL [L3 WITH TC]

01-10–22

Camshaft Removal Note

Note

• The camshaft caps are to be kept ordered for correct reassembly in their original positions.

1. Loosen the camshaft cap bolts in two or three 

passes in the order shown, and remove them.

Cylinder Head Removal Note

1. Loosen the cylinder head installation bolts in two 

to three passes in the order shown in the figure 
and remove them.

Cylinder Head Installation Note

1. Measure the length of each cylinder head bolt.

• Replace any cylinder head bolts that exceed 

the maximum length.

Cylinder head bolt length 

Standard: 144.7— 145.3 mm {5.697— 5.720 

in}

Maximum: 146 mm {5.74 in}

Tightening procedure

1. 3.0— 11 N·m {31— 112 kgf·cm, 27— 97 

in·lbf}

2. 13— 17 N·m {133— 173 kgf·cm, 116— 150 

in·lbf}

3. 43— 47 N·m {4.4— 4.7 kgf·m, 32— 34 ft·lbf}
4. 88

°— 92°

5. 88

°— 92°

No.1

No.2

No.3

No.4

EX

IN

5

4

3

1

2

5

6

3

1

4

2

acxuuw00000251

9

8

7

4

3

1

2

10

5

6

acxuuw00000252

L

acxuuw00000253

9

8

7

4

3

1

2

10

5

6

acxuuw00000254

1871-1U-06B(01-10).fm  22 ページ  ２００６年３月１５日　水曜日　午前１０時３９分