Section 1643 (BW44-47 Transfer Case - (Service Information) - 2500 Hd): Disassembly
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Place the transfer case so that it can be drained of any remaining fluid and remove the fill (2) and drain plugs (1).
- Remove the rear output shaft flange nut (1), if equipped.
- Remove the flange spacer (1), if equipped.
- Remove the flange dust seal, if equipped.
- Using a suitable puller, remove the output flange, if equipped.
- Remove the position switch (1).
- Remove all of the case half bolts (2).
- Using a prybar at pry points (1), carefully separate and remove the rear case half.
- Remove the retaining ring (1).
- Remove the locking collar (1).
- Remove the mode shift fork, spring and sleeve (1) from the main shaft (2).
- Remove the chain (2), the front out put gear (1) and main shaft gear (3) as an assembly.NOTE:
There are three alignment tabs and an oil pump hose pass through incorporated into the support that prevent the structure from rotating once installed.
- Remove the center bearing support assembly (2) from the mainshaft (1).
- Remove the oil pump (1).
- Remove the magnet (1).
- Remove the shift shaft (1).
- Remove the main shaft (1).
- With the shifter (1) rotated fully, remove the lower shift fork (2), and the reduction hub (3) as an assembly.
- Separate the lower shift fork (2) from the reduction hub (3).
- Lift the planetary carrier (1) straight up and out of the annulus gear (2).NOTE:
Bearing tabs face upward.
- Remove the carrier thrust bearing (1) from the center of the planetary (2).
- Remove the annulus gear retainer (1).
- Remove the annulus gear (1).
- Carefully pry detent spring (1) from pocket in case.
- Remove detent spring (1) and collar (2).
- Loosen retaining screw (1).
- Remove manual shift lever (1) from case.
- Remove the shift fork lever (1).
- Remove the front output shaft retaining ring (1) from the front output shaft (2).
- Remove the front output shaft (1) from the front case half (2).
- Remove front output shaft seal.
- Using (special tool #9622, Installer, Countershaft Plug) (1) and (special tool #C-4171, Driver Handle, Universal) (2), remove the front output shaft bearing from the case half (3).
- Remove input shaft seal.
- Using (special tool #9622, Installer, Countershaft Plug) (1) and (special tool #C-4171, Driver Handle, Universal) (2), remove the input shaft bearing from the case half (3).
- Remove rear output shaft seal.
- Using (special tool #5066, Installer, Bushing) and (special tool #C-4171, Driver Handle, Universal) (1), remove the input shaft bearing from the case half (2).
- Secure the rear case half.
- Using (special tool #7794-A, Remover, Seal) (2) and (special tool #C-637, Slide Hammer, Universal) (1), remove front output shaft rear bearing (3) from rear case half.