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Mazda CX 7. Manual - part 185

DIFFERENTIAL

03-14–1

03-14

DIFFERENTIAL

REAR DIFFERENTIAL

LOCATION INDEX. . . . . . . . . . . . . . . . . 03-14–1

DIFFERENTIAL OIL INSPECTION . . . . . 03-14–2
DIFFERENTIAL OIL REPLACEMENT . . 03-14–2
OIL SEAL (SIDE GEAR)

REPLACEMENT . . . . . . . . . . . . . . . . . . 03-14–2

OIL SEAL (COMPANION FLANGE)

REPLACEMENT . . . . . . . . . . . . . . . . . . 03-14–3

REAR DIFFERENTIAL

REMOVAL/INSTALLATION. . . . . . . . . . 03-14–5

REAR DIFFERENTIAL

DISASSEMBLY . . . . . . . . . . . . . . . . . . . 03-14–6

Rear Cover Disassembly Note . . . . . . . 03-14–7
Bearing Cap Disassembly Note . . . . . . 03-14–7
Rear Differential Component

Disassembly Note . . . . . . . . . . . . . . . 03-14–7

Locknut Disassembly Note. . . . . . . . . . 03-14–8
Drive Pinion Disassembly Note . . . . . . 03-14–8

Bearing Inner Race (Rear Bearing)

Disassembly Note . . . . . . . . . . . . . . . 03-14–8

Bearing Outer Race

Disassembly Note . . . . . . . . . . . . . . . 03-14–8

Ring Gear Disassembly Note . . . . . . . . 03-14–9
Side Bearing Inner Race

Disassembly Note . . . . . . . . . . . . . . . . 03-14–9

REAR DIFFERENTIAL ASSEMBLY. . . . . 03-14–10

Side Bearing Inner Race

Assembly Note . . . . . . . . . . . . . . . . . . 03-14–11

Thrust washer Assembly Note . . . . . . . 03-14–11
Ring Gear Assembly Note. . . . . . . . . . . 03-14–12
Bearing Outer Race Assembly Note . . . 03-14–12
Spacer, Bearing Inner Race

Assembly Note . . . . . . . . . . . . . . . . . . 03-14–13

Locknut Assembly Note. . . . . . . . . . . . . 03-14–15
Adjusting Shim Assembly Note . . . . . . . 03-14–15
Bearing Cap Assembly Note . . . . . . . . . 03-14–17
Rear Cover Assembly Note . . . . . . . . . . 03-14–18
Oil Seal Assembly Note . . . . . . . . . . . . 03-14–18

End of Toc

WM: DIFFERENTIAL (FF/FR)

REAR DIFFERENTIAL LOCATION INDEX

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End Of Sie

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Differential oil
(See 03-14-2 DIFFERENTIAL OIL INSPECTION)
(See 03-14-2 DIFFERENTIAL OIL
REPLACEMENT)

Oil seal (side gear)
(See 03-14-2 OIL SEAL (SIDE GEAR)
REPLACEMENT)

Oil seal (companion flange)
(See 03-14-3 OIL SEAL (COMPANION FLANGE)
REPLACEMENT)

Rear differential
(See 03-14-5 REAR DIFFERENTIAL REMOVAL/
INSTALLATION)
(See 03-14-6 REAR DIFFERENTIAL
DISASSEMBLY)
(See 03-14-10 REAR DIFFERENTIAL ASSEMBLY)

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DIFFERENTIAL

03-14–2

DIFFERENTIAL OIL INSPECTION

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1. Place the vehicle on level ground.
2. Remove the filler plug and washer.
3. Verify that the oil is at the brim of the filler plug

hole.

4. If it is low, add the specified oil.
5. Install a new washer and the filler plug, and

tighten.

Tightening torque

39.2— 53.9 N·m {4.0— 5.4 kgf·m, 29.0— 39.7

ft·lbf}

End Of Sie

DIFFERENTIAL OIL REPLACEMENT

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1. Place the vehicle on level ground.
2. Remove the filler plug.
3. Remove the drain plug and drain the differential

oil into a container.

4. Install a new washer and the drain plug, and

tighten.

Tightening torque

39.2— 53.9 N·m {4.0— 5.4 kgf·m, 29.0— 39.7

ft·lbf}

5. Add the specified differential oil from the filler plug

until the level reaches the brim of the plug hole.

Rear differential oil type

Grade: API service GL-5
Viscosity: SAE 80W-90

Rear differential oil capacity (approximate quantity)

1.00 L {1.06 US qt, 0.88 Imp qt}

6. After filling with differential oil, perform oil level inspection.
7. Install a new washer and the drain plug, and tighten.

Tightening torque

39.2— 53.9 N·m {4.0— 5.4 kgf·m, 29.0— 39.7 ft·lbf}

End Of Sie

OIL SEAL (SIDE GEAR) REPLACEMENT

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1. Remove the drain plug and the drain differential oil into a container.
2. Install a new washer and the drain plug, and tighten.
3. Remove the rear drive shaft. (See 03-13-20 REAR DRIVE SHAFT REMOVAL/INSTALLATION.)
4. Remove the clip from the drive shaft.

Caution

• Wrap the end of a screwdriver with cloth to prevent scratches to the inside of the differential

casing.

FILLER PLUG

E6U314ZWC009

FILLER PLUG

DRAIN PLUG

E6U314ZWC010

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DIFFERENTIAL

03-14–3

03-14

5. Remove the oil seal from the differential casing

using a screwdriver.

6. Apply differential oil to the new oil seal lip.

7. Install the new oil seal to the differential carrier

using the SSTs.
Substitution SST

• 49 G030 796

Outer diameter: 56— 60 mm {2.21— 2.36 in}
Inner diameter: 49.8 mm {2.0 in} or more
Inner depth: 8.7 mm {0.34 in} or more

8. After installing the new clip onto the drive shaft,

insert the drive shaft into the differential. (See 03-
13-20 REAR DRIVE SHAFT REMOVAL/
INSTALLATION.)

9. Verify that the drive shaft cannot be pulled out.

10. Add the specified differential oil.
11. After adding the oil, perform an oil level

inspection. (See 03-14-2 DIFFERENTIAL OIL INSPECTION.)

12. Install a new washer and the oil filler plug, and tighten.

Tightening torque

39.2— 53.9 N·m {4.0— 5.4 kgf·m, 29.0— 39.7 ft·lbf}

End Of Sie

OIL SEAL (COMPANION FLANGE) REPLACEMENT

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1. Drain the differential oil into a container.
2. Remove the propeller shaft. (See 03-15-3 PROPELLER SHAFT REMOVAL/INSTALLATION.)
3. Remove the locknut using the SST.
4. Support the differential using a jack.

5. After removing the front side of the differential

mount, gradually lower the jack and tilt the front
side of the differential downward.

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49 G030 797

49 G030 796

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49 S120 710

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JACK

DIFFERENTIAL

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DIFFERENTIAL

03-14–4

6. Pull the companion flange off using the SST.
7. Remove the oil seal from the differential carrier

using a screwdriver or similar tool.

8. Apply differential oil to the new oil seal lip.

9. Install the new oil seal to the differential carrier

using the SST.
Substitution SST

• 49 W011 102

Outer diameter: 66 mm {2.60 in} or more
Inner diameter: 54— 60 mm {2.13— 2.36 in}
or more
Inner depth: 17.5 mm {0.69 in} or more

10. Install the companion flange to the drive pinion.
11. Jack up the differential and install the front side of

the differential mount.

Tightening torque

75.5— 102 N·m {7.7— 10.4 kgf·m, 55.7— 75.2

ft·lbf}

12. Install the washer and a new locknut.
13. Tighten the locknut to the specified torque using

the SST.

Tightening torque

167— 226 N·m {17.1— 23.0 kgf·m, 124— 166

ft·lbf}

14. Install the propeller shaft. (See 03-15-3

PROPELLER SHAFT REMOVAL/
INSTALLATION.)

15. Add the specified differential oil from the filler

plug. (See 03-14-2 DIFFERENTIAL OIL
REPLACEMENT.)

End Of Sie

49 0839 425C

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49 W011 102

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49 S120 710

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Content .. 183 184 185 186 ..