2 - 56 SUSPENSION/DRIVESHAFTS
PIVOT BUSHING AC AG AJ AP BODY
REMOVE FROM VEHICLE
(1)Raise vehicle (see Hoisting, Group 0). Remove brake hose mounting bracket screw (Fig. 1).
(2)Detach park brake cable at connector and from hanger bracket (Fig. 1).
Fig. 1 Remove Brake Hose Mounting Bracket Screw
and Park Brake Cable
WARNING: WHEN REMOVING THE REAR AXLE PIVOT BUSHING ON VEHICLES EQUIPPED WITH EITHER REAR COIL SPRINGS OR AIR SUSPENSION. THE REAR AXLE MUST BE SUPPORTED BY THE AXLE AND TRAILING ARM TO ENSURE ADEQUATE SUPPORT OF REAR AXLE.
(3) Support the rear axle assembly at both the axle channel and the trailing arm with jack stands (Fig. 2). Then remove lower shock absorber to rear axle mounting bolt (Fig. 2).
Fig. 2 Remove Pivot Bushing Hanger Bracket Bolts
(4)Remove hanger bracket to frame rail bolts (Fig.
3).
(5)Lower axle assembly down enough to remove pivot bolt and hanger bracket (Fig. 3). Right side trailing arm shown.
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Fig. 3 Remove Hanger Bracket
PIVOT BUSHING REMOVAL FROM AXLE ASSEMBLY
Remove bushing with Remover/Installer Special Tool C-4702-7 Press. And 3 piece set, Special Tool C-4212 and C-4366-1 (Receiver Support Bridge, Bushing Remover/Installer and Bushing Remover).
(1)Install receiver (support) cup C-4366-1 into base of press C-4212 and Bushing Remover Cup C-4702-7 onto screw.
(2)Position assembly with receiver bridge supporting trailing arm while turning screw to begin bushing removal.
(3)After bushing has begun to move replace bushing remover/installer (round disc) with bushing remover (oval shaped disc). Use this assembly to finish pressing bushing out of trailing arm (Fig. 4).
Fig. 4 Tools Installed To Remove Bushing
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SUSPENSION/DRIVESHAFTS 2 - 57 |
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PIVOT BUSHING INSTALLATION
(1) Align the bushing with the bushing mounting hole in the trailing arm bracket (Fig. 5). Tap bushing in slightly to hold it in position on trailing arm.
Fig. 7 Install Hanger Bracket to Pivot Bushing
(4) Position hanger to frame rail (a suitable drift will aid in guiding hanger bracket into position). Install and tighten screws to 75 NIm (55 ft. lbs.) torque (Fig. 8). Install lower shock absorber mounting bolt, but do not tighten.
Fig. 5 Proper Position of Pivot Bushing
(2) Assemble Bushing Installer Special Tool C-4702-2 onto press screw and Support Cup Special Tool C-4366-1 into press base. Position assembly as shown in (Fig. 6) and press bushing into arm to depth shown in (Fig. 5).
Fig. 8 Install Hanger Bracket on Frame
(5) Position brake hose mounting bracket to trailing arm, install and tighten retaining screw to 11 NIm (95 in. lbs.) torque (Fig. 9).
Fig. 6 Tools Assembled for Bushing Installation
(3) Position hanger bracket on pivot bushing, and install through bolt, loose assemble nut (Fig. 7). Right side trailing arm shown.
Fig. 9 Brake Hose Bracket & Park Brake Cable