Mazda CX 7. Manual — part 275

POWER STEERING

06-14–17

06-14

4. Reverse the gear housing, then press the

mounting rubber until the mounting rubber end
comes out completely from the other side. At this
time, make sure that the mounting rubber and
steel pipe are aligned.

Oil Seal Assembly Note

1. Apply ATF to the lip of a new oil seal.
2. Install the SST (49 N032 319A) to the gear housing with the raised part facing up as shown in the figure.
3. Set the stopper into the gear housing to hold the

SSTs as shown in the figure.

4. Install the oil seal using the SSTs (49 F032 303,

49 H032 326) and a press.

Steering Rack Assembly Note

1. Apply multipurpose grease to the rack teeth.
2. Install a plastic bag to the rack teeth and insert

the steering rack in the gear housing.

STEEL PIPE

MOUNTING RUBBER

49 B018 003

49 B018 003

49 B032 317

49 B032 317

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49 F032 303

49 H032 326

49 N032 319A

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PLASTIC BAG

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1871-1U-06B(06-14).fm 17 ページ ２００６年３月１５日 水曜日 午前１１時２５分

POWER STEERING

06-14–18

Stopper Assembly Note

1. Using an appropriate pipe and a hammer, insert

the rack stopper into the gear housing until the
clip installation groove of the gear housing comes
out.

2. Apply 53.3 kPa {400 mmHg, 15.8 inHg} vacuum

with a vacuum pump and verify that it is held for
30 s.

• If the vacuum is not held, replace the oil seal.

Oil seal (Upper side) Assembly Note

1. Assemble the oil seal (upper side) using the SST.

Substitution SST

• 49 H032 327

Outer diameter: 30— 34 mm {1.2— 1.3 in}

• 49 H032 334

Outer diameter: 30— 32 mm {1.19— 1.25 in}

Bearing (upper side) Assembly Note

1. Assemble the bearing (upper side) using the SST.

Substitution SST

• 49 H032 327

Outer diameter: 30— 34 mm {1.2— 1.3 in}

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49 G032 3A1

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49 H032 327

49 H032 334

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49 H032 327

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1871-1U-06B(06-14).fm 18 ページ ２００６年３月１５日 水曜日 午前１１時２５分

POWER STEERING

06-14–19

06-14

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

Revised 7/2006 (Ref. No. R065/06)

Oil Seal (lower side) Assembly Note

1. Assemble the oil seal (lower side) using the SST.

Substitution SST

• 49 L032 312A

Outer diameter: 35— 36 mm {1.2— 1.3 in}
Cylindrical shape outer diameter of 40 mm
{1.6 in} or more.

Pinion Shaft Assembly Note

1. Assemble the pinion shaft using a press.

Housing Cover Assembly Note

1. Apply silicone sealant to the threads of the housing cover.
2. Assemble the housing cover.

Dust cover Assembly Note

1. Apply grease to the oil dust cover shown in the

figure.

Specified grease

• Rubber grease (Mazda genuine parts) or

equivalent.

Adjusting Cover, Locknut (Adjusting Cover) Assembly Note

1. Install two nuts to the bolt across a flat 24 mm

{0.94 in} and tighten them using a wrench.

2. Using the bolt/nut produced in Step 1, install the

adjusting cover.
(1) Tighten the adjusting cover with a tightening

torque of 20.0 N·m {2.0 kgf·m, 14.8 ft·lbf}.

49 L032 312A

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acxuuw00001006

GREASE

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ACROSS FLAT 24 mm {0.94 in}

NUT

BOLT

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POWER STEERING

06-14–20

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

Revised 7/2006 (Ref. No. R065/06)

(2) Using the SST, loosen the adjusting cover to

25—30

°.

3. Apply sealant to the locknut.

4. Secure the adjusting cover with the bolt and nuts

created in Step 1, and tighten the locknut using
the SST.

Caution

• If a tool such as a torque wrench is

installed to the SST (49 E032 308), install
the tool so that it is perpendicular to the
SST as shown in the figure. If the tool is
not installed as instructed, the SST can
separate from the locknut easily which
could cause damage to the locknut while
doing the work.

Note

• Be sure that the adjusting cover will not turn

together with the locknut.

5. Measure the pinion torque using the SST and pull

scale.

• If not as specified, remove the locknut and

adjust the adjusting cover.

Pinion shaft rotation torque

Center of rack

±90°:0.88—1.48 N·m {8.98—

15.0 kgf·cm, 7.79—13.0 in·lbf}

Tie-rod Assembly Note

1. Lock the steering rack end against rotation with a

suitable wrench and install the tie rod using the
SST.
Substitution SST

• 49 H032 351

Width across flats 34mm {1.3 in} (Torque
control enabled wrench)

49 D032 316

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49 E032 308

49 E032 308

ACROSS FLAT 24 mm {0.94 in}

NUT

BOLT

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acxuuw00002345

49 H032 351

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