Chrysler 2000 LHS Owner's Manual page 182

2000 LHS, 300M, CONCORDE AND INTREPID
LH
DESCRIPTION AND OPERATION
BASE BRAKE SYSTEM . . . . . . . . . . . . . . . . . . . . . 1
DIAGNOSIS AND TESTING
PROPORTIONING VALVE . . . . . . . . . . . . . . . . . . . 1
REMOVAL AND INSTALLATION
SERVICE WARNINGS AND CAUTIONS . . . . . . . . . 3
DISC BRAKE CALIPER (FRONT) . . . . . . . . . . . . . . 3
DESCRIPTION AND OPERATION
BASE BRAKE SYSTEM
DESCRIPTION
The service procedures in this group are published
for the overseas market. Most base brake system ser-
vice procedures are the same for all LH vehicles how-
ever, if differences are present they will be called out
in this group of the service manual. Refer to Group 5,
Brakes for additional information not covered in this
manual.
DIAGNOSIS AND TESTING
PROPORTIONING VALVE
PROPORTIONING VALVE TEST (WITH AND
WITHOUT ANTILOCK BRAKES)
CAUTION: Not all components use the same type
tubing flare. The tube leading into the proportioning
valve has an ISO flare, while the flex hose coming
out of the proportioning valve has a standard dou-
ble-inverted flare. Use the correct adapters when
installing gauges to test proportioning valves.
Both vehicles, with Antilock Brakes, and without
Antilock Brakes, have two proportioning valves. One
BRAKES
BASE BRAKE SYSTEM
TABLE OF CONTENTS
page
DISC BRAKE SHOES (FRONT) . . . . . . . . . . . . . . . 5
SPECIFICATIONS
BRAKE FASTENER TORQUE
SPECIAL TOOLS
BASE BRAKE SYSTEM . . . . . . . . . . . . . . . . . . . . . 7
valve is connected to each rear flex hose. One propor-
tioning valve controls the right rear brake, and the
other proportioning valve controls the left rear brake.
occurs on a hard brake application, it could be an
indication that a malfunction has occurred with one
of the two rear brake proportioning valves. Test the
valve that controls the side of the vehicle on which
the skid occurs.
ABS cycling occurs on a hard brake application, it
could be an indication that a malfunction has
occurred with one of the two proportioning valves.
Since ABS cycles both rear brakes together, both
valves must be tested to isolate the suspect propor-
tioning valve.
a hoist. See hoisting in the Lubrication and Mainte-
nance section of this manual.
portioning valve, connections, and area.
the suspect proportioning valve.
flex hose which is held stationary by a bracket
mounted on the back side of the crossmember.
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . 7
On vehicles without ABS, if premature wheel skid
On vehicles with ABS, if premature rear wheel
(1) Raise the vehicle on jack stands or centered on
(2) Clean any debris away from the suspect pro-
(3) Remove the chassis brake tube (Fig. 1) from
(4) Remove the proportioning valve from the rear
BRAKES 5 - 1
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