Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 117

NOTE: If Spreader W-129-B is installed, make sure
tension on axle housing is relieved.

7. Set up Dial Indicator Set C-3339-A as shown to

measure ring gear backlash:

a. Clamp SP-5426 (1)

b. Post SP-5425-B (2)

c. Metric Dial Indicator 9524 (3)

8. Rotate ring gear one direction to take up clearance

to pinion. Verify indicator tip is in contact with ring
gear and zero indicator. Rotate ring gear back and
forth and record measurement. Ring gear backlash
should be 0.10-0.16 mm (0.004-0.006 in.). Verify
back lash measurement in four (4) positions.

9. If backlash measurement is less than 0.10 mm

(0.004 in.), it is necessary to decrease the snap
ring thickness on the ring gear (left) side, and
increase the thickness on the pinion (right) side.

10. If backlash measurement is greater than 0.16 mm

(0.006 in.), it is necessary to increase the snap
ring thickness on the ring gear (right) side, and
decrease the thickness on the pinion (left) side.

GEAR CONTACT PATTERN

The ring gear and pinion teeth contact patterns will show if the pinion depth is correct in the housing. It will also
show if the ring gear backlash has been adjusted correctly. The backlash can be adjusted within specifications to
achieve desired tooth contact patterns.

1. Apply a thin coat of hydrated ferric oxide or equivalent to the drive and coast side of the ring gear teeth.

2. Wrap, twist, and hold a shop towel around the pinion yoke to increase the turning resistance of the pinion. This

will provide a more distinct contact pattern.

3. With a boxed end wrench on a ring gear bolt, rotate the differential case one complete revolution in both direc-

tions while a load is being applied from shop towel.

The areas on the ring gear teeth with the greatest degree of contact against the pinion teeth will squeegee the
compound to the areas with the least amount of contact. Note and compare patterns on the ring gear teeth to Gear
Tooth Contact Patterns chart and adjust pinion depth and gear backlash as necessary.

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REAR AXLE - 210RII

LX

GEAR TOOTH CONTACT PATTERNS

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REAR AXLE - 210RII

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SPECIFICATIONS - 210 MM RII AXLE

SPECIFICATIONS

DESCRIPTION

SPECIFICATION

Axle Ratios

2.82

Ring Gear Diameter

210 mm (8.3 in.)

Ring Gear Backlash

0.10-0.16 mm (0.004-0.006 in.)

Side Bearing Preload

6-8000 N

Axle Housing Retained Spread

0.11 mm to 0.17 mm (0.004 in. to 0.007 in.)

Select Snap Ring Size

3.60-4.50mm (0.14-0.17 in.) In 0.02mm (0.0007 in.)

increments

Select Pinion Shim Size

1.40-2.50mm (0.05-0.10 in.) In 0.01mm (0.0004 in.)

increments

Pinion Torque To Rotate

2.25N·m (20 in. lbs.)

Total Torque To Rotate (Approx.)

3.38N·m (30 in. lbs.)

TORQUE SPECIFICATIONS

DESCRIPTION

N·m

Ft. Lbs.

In. Lbs.

Plug, Rear Axle Drain/Fill

50

37

—

Bolt, Differential Cover

50

37

—

Bolt, Ring Gear-to-

Differential Case

85

63

—

Bolt, Axle Housing-to-

Crossmember

220

162

—

Bolt/Nut, Axle Front Mount

Isolator

65

48

—

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REAR AXLE - 210RII

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SPECIAL TOOLS - 210 RII AXLE

Puller 1026

Installer, 6448A

Arbor Discs, 9083

Remover, 9084

Pinion Height Gage, 9085

Installer, 9223

Spreader Adapters, 9226

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REAR AXLE - 210RII

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