SERVICE MANUAL 5. If necessary to remove ring gear from diff case, carefully  center  punch  each  rivet  head  on  the ring  gear  side  and  drill  through  the  rivet  head with a drill 0.8 mm (1/32") smaller than the rivet body  (Fig.  19).    Use  a  punch  to  press  out  the remaining portion of rivet.  Never use a chisel to cut  off  rivet  heads  as  damage  to  the  diff  case might result. Fig. 19.  Drive Gear Rivet Removal 1 Right 3 Wrong 2 Drive Gear 4 Differential Case Remove Pinion And Cage From Diff Carrier 1. Remove bolts holding pinion cage to diff carrier. 2. Strike  against  rear  of  pinion  shaft  with  a  brass drift and hammer to start pinion and cage out of carrier Fig. 20). Fig. 20.  Starting Pinion And Cage From Carrier 1 Brass Drift 2 Pinion Shaft Pilot Bearing 3 Pinion Shaft Face 3. Remove pinion and cage assembly from carrier (Fig. 21 Temporarity install stud bolts to aid in removal. CAUTION Be  careful  to  avoid  dropping  the  pinion and  cage  assembly.    Personal  injury  or damage  to  parts  may  result  if  assembly is allowed to fall. Fig. 21.  Removing Pinion And Cage (Rear Rear Shown) 1 Oil Seal 2 Pinion Cage Retainer 3 Shims 4. Retain pinion cage shims to aid in readjustment upon    reassembly.        Do    not    reuse    damaged shims. Disassemble Pinion And Cage 1. Mount pinion and cage assembly in a heavy duty vise or holding tool (Fig. 22). 2. Because  of  the  high  torque  load  on  pinion  end nut,  use  the  torque  multiplier  wrench  (SE-1933) and another long handle wrench to remove nut. 3. Pull pinion shaft driven gear or companion flange from pinion. 4. Remove spacer from pinion shaft, 5. Tap pinion from cage. 6. Remove forward pinion bearing from cage. 7. Remove bearing spacer from pinion shaft. 8. Remove   rear   pinion   bearing   and   pinion   radial bearing from pinion shaft. CTS-4044 PRINTED IN UNITED STATES OF AMERICA Page 10