Technical Specifications: Specifications
WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
AXLE
| DESCRIPTION | SPECIFICATION |
|---|---|
| Axle Ratio | 3.73, 4.10 |
| Ring Gear Diameter | 305 mm (12.0 in.) |
| Ring Gear Backlash | 0.2 - 0.3 mm (0.008 - 0.012 in.) |
| Pinion Torque To Rotate - New Bearings | 6.3 - 7.3 N.m (23 - 37 in. lbs.) |
| Pinion Torque To Rotate - Original Bearings | 1 - 2 N.m (9 - 18 in. lbs.) |
TORQUE SPECIFICATION
| DESCRIPTION | N.m | Ft. Lbs. | In. Lbs. | COMMENT |
|---|---|---|---|---|
| Adjuster Lock Bolt | 27 | 20 | - | - |
| Axle Flange Bolts | 80 + 30° | 59 + 30° | - | - |
| Bearing Cap Bolts | 244 | 180 | - | - |
| Brake Backing Plate To Flange Nut | 85 + 45° | 63 + 45° | - | - |
| Differential Cover Bolts | 39 | 29 | - | - |
| Fill Hole Plug | 32 | 24 | - | - |
| Hub Bearing Nut | 95 - 30° | 70- 30° | - | Tighten the hub bearing nut to 95 N.m (70 Ft. Lbs) then reverse the nut 30° and align to the nearest notch. |
| Ring Gear Bolts | 100 + 57° | 74 + 57° | - | Do not reuse these fasteners. If removed, a NEW fastener must be installed and tightened to specifications. |
| Brake Backing Plate | 85 + 45° | 63 + 45° | - | - |