Toyota
Dodge Durango
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Differential and Driveline » C205F axle » Adjustments
Gear contact pattern analysis

The ring gear and pinion teeth contact patterns will show if the pinion depth is correct in the axle 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) Using a boxed end wrench on a ring gear bolt, Rotate the differential case one complete revolution in both directions 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 (Fig.

51) and adjust pinion depth and gear backlash as necessary.

Fig. 51 Gear Tooth Contact Patterns Fig. 51 Gear Tooth Contact Patterns

Specifications

C205F AXLE

DESCRIPTION   SPECIFICATION

Axle Type . . . . . . . . . . . . . . . Semi-Floating Hypoid

Lubricant . . . . . . . . SAE Thermally Stable 80W-90

Lube Capacity . . . . . . . . . . . . . . . 1.66 L (3.50 pts.)

Axle Ratios . . . . . . . . . . . . . . . . . . . . . . . 3.55, 3.92

Differential Bearing Preload-total . . . . . . 0.203 mm (0.008 in.)

Differential Side Gear Clearance . . . . . . 0-0.15 mm (0-0.006 in.)

Ring Gear Diameter . . . . . . . . . . 205 mm (8.07 in.)

Ring Gear Backlash . . . . . . . . . . . . . 0.12-0.20 mm (0.005-0.008 in.)

Pinion Std. Depth . . . . . . . . . 99.690 mm (3.925 in.)

Pinion Bearing Preload-Original Bearings . . . . . . . . . . . 1-2.5 N*m (10-20 in. lbs.)

Pinion Bearing Preload-New Bearings . 1.7-2.5 N*m (15-22 in. lbs.)

C205f axle

DESCRIPTION  TORQUE

Bolt, Diff. Cover . . . . . . . . . . . . 23 N*m (17 ft. lbs.)

Bolt, Bearing Cap . . . . . . . . . . . 61 N*m (45 ft. lbs.)

Nut, Pinion . . . . . . . 271-474 N*m (200-350 ft. lbs.)

Bolt, Ring Gear . . . . . . 95-122 N*m (70-90 ft. lbs.)

SPECIAL TOOLS

C205f axle

Puller-C-293-PA Puller-C-293-PA

Adapter-C-293-42 Adapter-C-293-42

Adapter-C-293-48 Adapter-C-293-48

Plug-C-293-3 Plug-C-293-3

Puller-C-452 Puller-C-452

Holder-6719A Holder-6719A

Installer-C-3972-A Installer-C-3972-A

Installer Screw-8112 Installer Screw-8112

Cup-8109 Cup-8109

Handle-C-4171 Handle-C-4171

Installer-8236 Installer-8236

Installer-D-129 Installer-D-129

Installer-D-145 Installer-D-145

Remover-D-103 Remover-D-103

Remover-8401 Remover-8401

Installer-6448 Installer-6448

Bearing Remover-C-4660 Bearing Remover-C-4660

Cup-8150 Cup-8150

Installer-5063 Installer-5063

Installer-8402 Installer-8402

Gauge Block-8177 Gauge Block-8177

Tool Set, Pinion Depth Tool Set, Pinion Depth

Adapter Kit-6987A Adapter Kit-6987A

Spreader-W-129-B Spreader-W-129-B

Guide Pin-C-3288-B Guide Pin-C-3288-B

Dial Indicator-C-3339 Dial Indicator-C-3339

Dummy Shim-8107 Dummy Shim-8107

Dummy Bearing-8398 Dummy Bearing-8398

    More about «Adjustments»:

    Pinion gear depth

    Differential bearing preload and gear backlash

    Gear contact pattern analysis

    Dodge Durango Service Manual / Differential and Driveline / C205F axle / Adjustments / Gear contact pattern analysis

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