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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 1827 (Rear Axle - 305 Aa (12.0) - 2500HD & 3500HD) >> Gear, Ring And Pinion >> Removal And Installation

Removal And Installation

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.

REMOVAL 

NOTE:

The ring and pinion gears are serviced as a matched set. Never replace the ring gear/pinion gear without replacing the other matching gear.

  1. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  2. Remove the tire and wheel assembly.
  3. Mark pinion flange and propeller shaft for installation alignment.
  4. Remove propeller shaft. Refer to SHAFT, DRIVE, REAR, REMOVAL AND INSTALLATION .
  5. Remove differential from the housing. Refer to CASE ASSEMBLY, DIFFERENTIAL, REMOVAL AND INSTALLATION .
  6. Remove bolts holding ring gear to differential case.
    GC0184925Courtesy of CHRYSLER GROUP, LLC
  7. Drive ring gear (1) from differential case with a soft hammer.
  8. Remove pinion flange seal. Refer to SEAL, DRIVE PINION, REMOVAL AND INSTALLATION .
    GC0185682Courtesy of CHRYSLER GROUP, LLC
  9. Remove pinion gear (1) from housing with pinion Driver (special tool #2067300030, Remover, Pinion Gear) and handle (special tool #C-4171, Driver Handle, Universal) and a hammer.
    NOTE:

    Thread the driver on the pinion shaft till it bottoms out.

    GC0184647Courtesy of CHRYSLER GROUP, LLC
  10. Remove front pinion bearing (1).
  11. Remove collapsible spacer from the pinion shaft.
  12. Remove rear pinion bearing with Bearing Splitter (special tool #1130, Splitter, Bearing/Gear) and a press.
  13. Remove pinion depth shim from the pinion gear shaft and record thickness of the shims.
    GC0185306Courtesy of CHRYSLER GROUP, LLC
  14. Remove front pinion bearing cup from the housing with a punch and hammer, and discard cup.
    GC0185074Courtesy of CHRYSLER GROUP, LLC
  15. Remove rear pinion bearing cup from the housing with a punch and hammer, if bearing is going to be replaced.

INSTALLATION 

GC0185306Courtesy of CHRYSLER GROUP, LLC
  1. Install NEW  front pinion bearing cup with Installer (special tool #2067100030, Installer, Pinion Tail Bearing Race) (1) and Handle (special tool #C-4171, Driver Handle, Universal) (2).
    GC0185074Courtesy of CHRYSLER GROUP, LLC
  2. Install NEW  rear pinion bearing cup with Installer (special tool #2067000030, Installer, Pinion Head Bearing Race) and (special tool #C-4171, Driver Handle, Universal) (2).
    GC0107883Courtesy of CHRYSLER GROUP, LLC
  3. Install pinion depth shim (1) on the pinion gear shaft (2).
    GC0107835Courtesy of CHRYSLER GROUP, LLC
  4. Install rear pinion bearing (4) with Installer (special tool #8228, Installer, Bearing) (2) and a press (1).
    GC0107885Courtesy of CHRYSLER GROUP, LLC
  5. Install NEW  collapsible spacer (1) on the pinion (2).
  6. Lubricate pinion and bearings.
    GC0107641Courtesy of CHRYSLER GROUP, LLC
  7. Install pinion into the housing (2) and place front pinion bearing onto the pinion shaft. Draw the pinion shaft into the front bearing with Installer (special tool #8981, Installer, Bearing Cup) (1).
  8. Install NEW  pinion seal (1). Refer to SEAL, DRIVE PINION, REMOVAL AND INSTALLATION .
  9. Apply a light coat of pipe sealant to the pinion flange splines.
  10. Hold pinion and lightly tap the pinion flange (2) onto the pinion, until a few threads are showing.
  11. Install pinion flange washer and NEW  pinion nut.
  12. Tighten pinion nut until pinion end play is eliminated.
    GC0107775Courtesy of CHRYSLER GROUP, LLC
  13. Rotate pinion several times to seat pinion bearings.
  14. Measure Pinion Torque To Rotate (1) with an inch pound torque wrench (2). Tighten pinion nut in 6.8 N.m (5 ft. lbs.) increments until pinion torque to rotate is achieved.
  15. Rotate pinion several times then verify pinion rotating torque again.
    GC0184925Courtesy of CHRYSLER GROUP, LLC
  16. Install NEW  ring gear bolts (1) and tighten them alternately to seat the ring gear. Tighten to proper torque specifications. Refer to TORQUE SPECIFICATION .
  17. Install differential in housing. Refer to CASE ASSEMBLY, DIFFERENTIAL, REMOVAL AND INSTALLATION .
  18. Measure Total Torque To Rotate (TTTR) with an inch pound torque wrench for specifications. Refer to TORQUE SPECIFICATION .
  19. Verify ring gear backlash and gear contact pattern.
  20. Check differential fluid level. Refer to CAPACITIES AND RECOMMENDED FLUIDS, SPECIFICATIONS .
  21. Align pinion flange and propeller shaft for installation.
  22. Install the propeller shaft. Refer to SHAFT, DRIVE, REAR, REMOVAL AND INSTALLATION .
  23. Install the tire and wheel assembly(s).
  24. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
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