Contents Wiring diagrams Section: Differentials & Drive Axles All sections

Front Axle - 275FBI: Specifications RAM Pickup 2500

Differentials & Drive Axles 6 illustrations ~185 words

SPECIFICATIONS

DESCRIPTIONSPECIFICATION
Gear Ratio4.10, 4.44, 4.88
Rear Gear Runout0.12 mm (0.005 in.)
Rear Gear Backlash0.1 - 0.15 mm (0.004 - 0.006 in.)
Pinion Torque To Rotate (PTTR)5 - 8 N.m (44 - 70 in. lbs.)
Total Torque To Rotate (TTTR) is: PTTR plus1.5 N.m ± 0.5 N.m (13 in. lbs. ± 4.4 in. lbs.)

AXLE SPECIFICATIONS

DESCRIPTIONN.mFt. Lbs.In. Lbs.
Drain Plug6044
Differential Cover4634
Bearing Cap (Larger)160118
Bearing Cap (Small)10074
Rear Gear Bolts175139
Pinion Nut500369
Axle Nut330243
Hub Bearing Bolts200147

TORQUE SPECIFICATIONS

Scheme 96

Scheme 96: REMOVAL

Scheme 97

Scheme 97

Scheme 98

Scheme 98

Scheme 99

Scheme 99

Scheme 100

Scheme 100

Scheme 101

Scheme 101
  1. With vehicle in neutral, position vehicle on hoist.
  2. Position a lift under axle and secure lift to the axle.
  3. Mark propeller shaft and companion flange for installation alignment reference.
  4. Remove propeller shaft (1) from pinion flange (3).
  5. Remove brake calipers, rotors, ABS wheel speed sensors.
  6. Remove brake hose retainer (1) bolts (2) from axle.
  7. Disconnect axle vent hose.
  8. Remove stabilizer bar link (1) nuts (2).
  9. Remove stabilizer bar links (1) from axle with Puller (special tool #C-3894-A, Puller, Tie Rod).
  10. Remove shock absorbers (1) bolts (4) from axle brackets.
  11. Remove track bar bolt from the axle bracket.
  12. Remove damper from axle bracket.
  13. Remove tie rod and drag link from the steering knuckles with Puller (special tool #C-3894-A, Puller, Tie Rod).
  14. Remove upper control arm (1) nuts (2) and bolts from axle brackets.
  15. Remove lower control arm (1) nuts and bolts (2) from the axle brackets.
  16. Lower the axle. The coil springs will drop with the axle.
  17. Remove coil springs from the axle bracket.