Chrysler RAM TRUCK 2500 1994 Service Manual page 216

(8) Lower vehicle and tighten wheel lug nuts to fol­
lowing torque:
• 108-150 N-m (80-110 ft. lbs.) on 5 stud wheel
• 163-203 N-m (120-150 ft. lbs.) on 8 stud wheel
(9) Install grease cap and wheel cover/hub cap.
WHEEL BEARING ADJUSTMENT (2-WHEEL DRIVE
MODELS)
(1) Raise vehicle front end.
(2) Remove front wheel covers/hub caps.
(3) Remove grease caps.
(4) Remove cotter pin and nut lock.
(5) Rotate wheel and fully tighten bearing adjust­
ing nut to seat bearings.
(6) Loosen and tighten bearing adjusting nut once
again while rotating wheel.
(7) Continue rotating wheel and back off adjusting
nut until wheel end play is 0.0254 to 0.0508 mm
(0.001 to 0.002 in.).
(8) Install nut lock on adjusting nut and install
new cotter pin. Adjusting nut can be tightened
slightly to align cotter pin holes i f necessary. Verify
that wheel bearing adjustment is still OK. Readjust
i f needed.
(9) Lower vehicle and tighten wheel lug nuts to fol­
lowing torque:
• 108-150 N-m (80-110 ft. lbs.) on 5 stud wheel
• 163-203 N-m (120-150 ft. lbs.) on 8 stud wheel
(10) Install wheel covers/hub caps.
DISC BRAKE ROTOR REMOVAL (4-WHEEL DRIVE)
(1) Raise vehicle.
(2) Remove wheel and tire assembly.
(3) Bottom caliper piston i n bore. Use screwdriver
or large C-clamp to press piston back to bottom of
caliper bore (Fig. 7).
(4) Remove caliper mounting bolts (Figs. 8 and 9).
(5) Remove caliper from rotor. Position caliper on
steering knuckle and secure i t i n place with wire. Or
suspend caliper from adjacent chassis or suspension
component with wire (Figs. 13 and 14).
CAUTION: Do not allow the brake hose to support
the caliper. Suspending the caliper by the hose c a n
damage the hose and fitting joints. U s e wire to s u p ­
port and secure the caliper to a suspension compo­
nent a s shown (Figs. 13 and 14).
(6) On 1 ton models, remove adapter hub from ro­
tor hub (Fig. 37).
(7) Remove cotter pin from rotor hub nut (Fig. 38).
(8) Remove rotor hub nut (Fig. 39). An appropriate
size, 3/4 in. drive socket and ratchet wrench will be
required for removal (a six point, 1-3/4 in. socket will
remove the nut).
(9) Remove bolts that secure rotor and hub to
steering knuckle. Bolts are accessible from inboard
(back) side of steering knuckle (Fig. 40).
Fig. 37 Adaptor Hub Removal/Installation (1 Ton
Models)
Fig. 38 Hub Nut Cotter Pin Removal
Fig. 39 Hub Nut Removal/Installation
(10) Remove rotor and hub assembly. Turn assem­
bly over and check unit bearing and seal (Fig. 41).
Replace seal i f necessary. Replace bearing assembly i f
damaged.
(11) Remove hub spacer from steering knuckle
(Fig. 42). Note spacer position for installation refer­
ence.