Chrysler RAM TRUCK 2500 1994 Service Manual page 201

5 - 42 ALL-WHEEL ANTILOCK BRAKE SYSTEM (ABS)
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J9405-83
Fig. 14 Master Cylinder Brakeline Removal/
Installation
VALVE
INTEGRAL
MOUNTING
BRACKET
COMBINATION
VALVE
RWAL
VALVE
ATTACHING
BOLT
J9405-84
Fig. 15 RWAL Valve/Combination Valve Disassembly
RWAL VALVE/COMBINATION INSTALLATION
(1) Install RWAL valve on combination valve
bracket (Fig. 15). Do not tighten RWAL valve bolt
completely at this time.
(2) Install short brakeline that connects RWAL
valve to combination valve (Fig. 15). Tighten line fit­
tings to 16-23 N-m (140-200 in. lbs.) torque.
(3) Tighten RWAL valve attaching bolt to 23-34
N-m (200-300 in. lbs.) torque.
(4) Install master cylinder on booster mounting
studs.
(5) Attach antilock harness ground wire to combi­
nation valve bracket.
(6) Install combination valve bracket on booster
mounting studs and against master cylinder.
(7) Loosely install nuts that retain master cylinder
and combination valve on booster studs.
(8) Install and connect all remaining brakelines
(Figs. 16 and 10). Tighten line fittings to 16-23 N-m
(140-200 in. lbs.) torque.
J9405-1
Fig. 16 Master Cylinder Brakeline Connections
(9) Connect harness wires to RWAL valve and to
combination valve switch.
(10) Fill and bleed brake system. Refer to proce­
dure i n this section.
FRONT SPEED SENSOR REM0¥AL
(1) Raise vehicle and support vehicle front end.
(2) Remove wheel and tire assembly.
(3) Press caliper piston back into bore with pry
tool.
(4) Remove brake caliper bolts and lift caliper from
knuckle and rotor. Secure caliper to frame or chassis
component with wire. Do not allow brake hose to
support caliper weight.
(5) Remove rotor.
(6) Remove bolts attaching sensor to steering
knuckle (Fig. 18). Retain bolts. They are special and
must be reused i f i n good condition.
(7) Disconnect sensor wire and remove sensor from
vehicle.
FRONT SPEED SENSOR INSTALLATION
(1) Position sensor i n knuckle.