Mazda CX 7. Manual - part 274

POWER STEERING 

06-14–13

06-14

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

Clip Disassembly Note

1. Remove the clip while pinching both ends of the 

clip using long-nose pliers as shown in the figure.

2. Using a snap ring plier, withdraw the rack stopper.

Oil Seal Disassembly Note

1. Install the SST (49 N032 319A) to the gear 

housing with the raised part facing up as shown in 
the figure.  

2. Insert the SSTs (49 F032 303, 49 S032 318) into 

the valve housing side.

3. Remove the oil seal using a press.

Mounting Rubber Disassembly Note

1. Press the mounting rubber out from the gear 

housing using the SSTs and a press.
Substitution SST

• 49 B018 003

Outer diameter: 36— 38 mm {1.42— 1.49 in}

• 49 B032 317

Outer diameter: 35mm {1.4 in} or more

End Of Sie

STEERING GEAR AND LINKAGE INSPECTION

id061400801100

Steering Rack Inspection

1. Inspect for cracking, damage, and tooth wear.

• If there is any malfunction, replace the steering rack.

2. Measure the steering rack warp.

• If it exceeds the maximum specification, 

replace the steering rack.

Steering rack runout

Large diameter portion (near point A): 0.15 

mm {0.006 in} max.

Small diameter portion (near point B): 0.20 

mm {0.008 in} max.

CLIP

RACK STOPPER

END OF 
THE CLIP

acxuuw00001605

49 F032 303

49 S032 318

49 N032 319A

acxuuw00000954

49 B018 003

49 B032 317

acxuuw00000955

A

B

acxuuw00001775

POWER STEERING 

06-14–14

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

Tie-rod End Inspection

1. Inspect the tie-rod end for damage and boot cracks. Replace it if necessary.
2. Inspect the ball joint for looseness. Replace the tie-rod end if necessary.
3. Rotate the ball joint five times.
4.  Measure the rotation torque of the ball joint using 

the SST and a pull scale.

Rotation torque

0.5— 3.0 N·m {0.06— 30 kgf·cm, 5— 26 in·lbf}

Pull scale reading

5— 30 N {0.6— 3.0 kgf, 3.7— 22 lbf}

Tie rod Inspection

1. Inspect for bending and damage.

• If there is any malfunction, replace the tie rod.

2. Inspect for excessive play.

• If there is any malfunction, replace the tie rod.

3. Swing the ball joint 10 times.
4. Measure the ball joint swing torque using a pull 

scale.

• If it exceeds the specification, replace the tie 

rod.

Tie rod swing torque

0.4— 4.0 N·m {5— 40 kgf·cm, 4— 35 in·lbf}
[Pull scale reading 4.2— 41.6 N {0.43— 4.24 

kgf, 0.95— 9.35 lbf}]

End Of Sie

STEERING GEAR AND LINKAGE ASSEMBLY

id061400801200

Caution

• Place copper plates, rag, or similar material in a vise, when securing the mounting bracket portion 

of the steering gear.

49 0180 510B

acxuuw00001780

13.1 mm
{0.51 in}

102.5 mm
{4.035 in}

acxuuw00001777

POWER STEERING 

06-14–15

06-14

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

Revised 7/2006 (Ref. No. R065/06) 

1. Assemble in the order indicated in the table.

.

21

14

15

18

20

19

7

5

6

3

8

4

23

29

28

24

25

25

26

27

27

22

22

13

11

17

16

9

12

10

1

2

SST

SST

SST

SST

SST

SST

R

24

R

R

R

R

R

GREASE

GREASE

23

GREASEGREASE

SEALANT

SEALANT

N·m {kgf·m, ft·lbf}

68.6—98.0 
{7.00—9.99, 
50.6—72.2}

26

24—29 {2.5—2.9, 18—21}

10—16 N·m
{1.0—1.5 kgf·cm, 0.9—1.3 in·lbf}

10—16 N·m
{1.0—1.5 kgf·cm,
0.9—1.3 in·lbf}

GREASE

2

SST

2

SST

20—29 {2.1—2.9, 15—21}

SST

SST

69—98 {7.1—9.9, 51—72}

68.6—98.0 
{7.00—9.99, 
50.6—72.2}

69—98 
{7.1—9.9, 
51—72}

20—29 
{2.1—2.9, 
15—21}

49—69 
{5.0—7.0, 
37—50}

MOLYBDENUM 
GREASE

SILICON 
GREASE

SILICON 
GREASE

49—69 {5.0—7.0, 37—50}

acxuuw00000995

1

Gear housing

2

Mounting rubber
(See 06-14-16 Mounting Rubber Assembly Note.)

3

Oil seal
(See 06-14-17 Oil Seal Assembly Note.)

4

Steering rack
(See 06-14-17 Steering Rack Assembly Note.)

5

O-ring

6

Rack bushing

7

Stopper
(See 06-14-18 Stopper Assembly Note.)

8

Clip

9

Oil seal (upper side)
(See 06-14-18 Oil seal (Upper side) Assembly 
Note.)

10

Bearing (upper side)
(See 06-14-18 Bearing (upper side) Assembly 
Note.)

11

Pinion shaft
(See 06-14-19 Pinion Shaft Assembly Note.)

12

Oil seal (lower side) 
(See 06-14-19 Oil Seal (lower side) Assembly Note.)

13

Valve housing component

14

Locknut (pinion shaft side)

15

Housing cover
(See 06-14-19 Housing Cover Assembly Note.)

16

Dust cover
(See 06-14-19 Dust cover Assembly Note.)

17

Clip

18

Support yoke

19

Yoke spring

20

Adjusting cover

(See 06-14-19 Adjusting Cover, Locknut (Adjusting 
Cover) Assembly Note.)

POWER STEERING 

06-14–16

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

Revised 7/2006 (Ref. No. R065/06)

Mounting Rubber Assembly Note

1. Apply soapy water to the rubber part of the mounting rubber.
2. Temporarily install the steering gear so that the 

mounting rubber are in the positions shown in the 
figure.

Caution

• If the mounting rubber is placed in the 

wrong position or assembled in the 
wrong direction, an installation 
malfunction will result when the vehicle 
is loaded. When assembling the 
mounting rubber, verify the position and 
directions.

3. Press the mounting rubber until the mounting 

rubber end comes out completely from the gear 
housing using the SSTs and a press.
Substitution SST

• 49 B032 317

Outer diameter: 17.5— 23 mm {0.7— 0.9 in}
Length 35 mm {1.4 in} or more.

• 49 B018 003

Outer diameter: 36— 38 mm {1.42— 1.49 in}

21

Locknut (adjusting cover)

(See 06-14-19 Adjusting Cover, Locknut (Adjusting 
Cover) Assembly Note.)

22

Tie rod
(See 06-14-20 Tie-rod Assembly Note.)

23

Boot
(See 06-14-21 Boot Assembly Note.)

24

Boot band

25

Boot clamp

26

Locknut

27

Tie-rod end

28

Oil pipe

29

Return pipe

20

15.5 mm
{0.61 in}

20

15.5 mm
{0.61 in}

13.6 mm
{0.53 in}

13.6 mm
{0.53 in}

FRONT OF 
THE VEHICLE

°

°

acxuuw00002360

MOUNTING RUBBER

49 B018 003

49 B018 003

49 B032 317

49 B032 317

acxuuw00000996