Mazda CX 7. Manual — part 175

FRONT AXLE

03-11–1

03-11

03-11

FRONT AXLE

FRONT AXLE LOCATION INDEX. . . . . . 03-11–1
FRONT WHEEL HUB BOLT

REPLACEMENT . . . . . . . . . . . . . . . . . . 03-11–2

WHEEL HUB, STEERING

KNUCKLE INSPECTION. . . . . . . . . . . . 03-11–2

Wheel Bearing Excessive Play

Inspection. . . . . . . . . . . . . . . . . . . . . . 03-11–2

WHEEL HUB, STEERING KNUCKLE

REMOVAL/INSTALLATION. . . . . . . . . . 03-11–3

Locknut Removal Note . . . . . . . . . . . . . 03-11–4

Brake Caliper Removal Note . . . . . . . . . 03-11–4
Wheel Hub Removal Note. . . . . . . . . . . 03-11–5
Wheel Bearing Removal Note . . . . . . . . 03-11–5
Dust Cover Removal Note. . . . . . . . . . . 03-11–5
Wheel Hub Bolt Removal Note . . . . . . . 03-11–6
Wheel Hub Bolt Installation Note . . . . . 03-11–6
Dust Cover Installation Note . . . . . . . . . 03-11–6
Wheel Bearing Installation Note . . . . . . 03-11–7
Wheel Hub Installation Note . . . . . . . . . 03-11–7
Locknut Installation Note . . . . . . . . . . . . 03-11–7

End of Toc

WM: FRONT AXLE

FRONT AXLE LOCATION INDEX

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End Of Sie

1

2

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1

Wheel hub bolt
(See 03-11-2 FRONT WHEEL HUB BOLT
REPLACEMENT.)

2

Wheel hub, steering knuckle
(See 03-11-2 WHEEL HUB, STEERING KNUCKLE
INSPECTION.)
(See 03-11-3 WHEEL HUB, STEERING KNUCKLE
REMOVAL/INSTALLATION.)

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FRONT AXLE

03-11–2

FRONT WHEEL HUB BOLT REPLACEMENT

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1. Remove the brake calliper component from the steering knuckle and suspend it out of the way using a cable.
2. Remove the disc plate.
3. Tap the dust cover (the part shown in the figure)

with a chisel lightly and bend the processing point
back to the steering knuckle side.

4. Remove the wheel hub bolt using the SST as

shown in the figure.

5. Place a new wheel hub bolt in the wheel hub.

6. Install the wheel hub by placing a proper sized

washer on the hub, and tightening the nut as
shown in the figure.

End Of Sie

WHEEL HUB, STEERING KNUCKLE INSPECTION

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Wheel Bearing Excessive Play Inspection

1. Install the magnetic base and dial gauge as

shown in the figure and measure the wheel
bearing axial excessive play.

• If it exceeds the maximum specification,

replace the wheel hub bearing.

Front wheel bearing maximum play

0.05 mm {0.002 in}

End Of Sie

BEND THIS PART

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49 T028 3A0

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WHEEL NUT

WHEEL NUT

BRASS BAR

WASHER

HUB BOLT

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FRONT AXLE

03-11–3

03-11

WHEEL HUB, STEERING KNUCKLE REMOVAL/INSTALLATION

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Caution

• Performing the following procedures without first removing the ABS wheel-speed sensor may

possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing
the following procedures, disconnect the ABS wheel-speed sensor connector (axle side) and fix
the wiring harness to an appropriate place where it will not be pulled by mistake while servicing
the vehicle.

1. Remove the front ABS wheel-speed sensor. (See 04-15-11 FRONT ABS WHEEL-SPEED SENSOR

REMOVAL/INSTALLATION.)

2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. After installation, inspect the front wheel alignment and adjust it if necessary. (See 02-11-2 FRONT WHEEL

ALIGNMENT.)

.

SST

SST

SST

SST

R

R

R

R

A

A

B

B

C

C

9

8

7

5

4

10

13

11

12

6

1

R

R

N·m {kgf·m, ft·lbf}

235.2—274.4
{23.99—27.98,
173.5—202.3}

43.1—58.8
{4.40—5.99,
31.8—43.3}

9.8—14.7 N·m
{100—149 kgf·cm,
87—129 in·lbf}

47.0—59.0
{4.80—6.01,
34.7—43.5}

107.8—127.4
{11.00—12.99,
79.51—93.96}

42.3—60.8
{4.32—6.19,
31.2—44.8}

163.0—194.0
{16.63—19.78,
120.3—143.0}

15

14

2

3

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1

Brake hose clip

2

Locknut
(See 03-11-4 Locknut Removal Note.)
(See 03-11-7 Locknut Installation Note.)

3

Brake caliper component
(See 03-11-4 Brake Caliper Removal Note.)

4

Disc plate

5

Stabilizer control link (lower side)

6

Tie-rod end ball joint
(See 02-13-10 FRONT CROSSMEMBER
REMOVAL/INSTALLATION.)

7

Nut (front shock absorber lower side)

8

Front lower arm ball joint

9

Wheel hub, steering knuckle component

10

Wheel hub
(See 03-11-5 Wheel Hub Removal Note.)
(See 03-11-7 Wheel Hub Installation Note.)

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FRONT AXLE

03-11–4

Locknut Removal Note

1. Lock the hub by applying the brakes.
2. Knock the crimped portion of the locknut outward

using a small chisel and a hammer.

3. Remove the locknut.
4. Install a spare nut onto the drive shaft so that the

nut is flush with the end of the drive shaft.

5. Tap the nut with a copper hammer to loosen the

drive shaft from the front wheel hub.

6. Separate the drive shaft from the wheel hub.

Brake Caliper Removal Note

1. Remove the brake caliper component from the

steering knuckle and suspend it out of the way
using a cable.

11

Retaining ring

12

Wheel bearing
(See 03-11-5 Wheel Bearing Removal Note.)
(See 03-11-7 Wheel Bearing Installation Note.)

13

Dust cover
(See 03-11-5 Dust Cover Removal Note.)
(See 03-11-6 Dust Cover Installation Note.)

14

Steering knuckle

15

Wheel hub bolt
(See 03-11-6 Wheel Hub Bolt Removal Note.)
(See 03-11-6 Wheel Hub Bolt Installation Note.)

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