Page 928 of 1463
HYDRAULIC BRAKES 4A-13
Construction
LCRV consists of sensing part and hydraulic control part.
1. Sensing Part
It detects the changes of vehicle height caused by vehicle
load. It consists of load sensing spring and control lever
which change according to vehicle load.
2. Hydraulic Control Part
It consists of valve stem devices which controls hydraulic
pressure according to load detected by sensing part.
Trouble Shooting
Poor Braking
Possible Cause
Air in Brake System
Poor Adjustment of Sensor Spring
Damaged Sensor Spring
Fluid Leaking from LCRVRemedy
Bleeding
Adjust
Replace
Replace
Possible Cause
Poor Adjustment of Sensor Spring
Internal Fluid Leaking of LCRVRemedy
Adjust
Replace
Abnormal Locking
Page 929 of 1463
4A-14 HYDRAULIC BRAKES
LCRV SETTING METHOD
1. LCRV setting should be performed with unladen vehicle
condition.
2. Install the connecting rod (a) to the No.1 hole.
Tightening Torque14 - 18 Nm
3. Adjust the clearance “X” to be 0 mm and tighten the bolt (c)
using the lock nut (b).
Tightening Torque 14 - 18 Nm
4. Remove the connecting rod (a) from the No.1 hole and
reinstall it to the No. 2 hole.
5. Place alignment marks between the lock nut (b) and
adjusting screw (c) after the valve setting.
Page 939 of 1463
SECTION 4D
FRONT DISC BRAKES
TABLE OF CONTENTS
Specifications . . . . . . . . . . . . . . . . . . . . . . . . 4D-1
Fastener Tightening Specifications . . . . . . . . . 4D-1
Maintenance and Repair . . . . . . . . . . . . . . . 4D-2
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . 4D-2
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Application
Caliper Mounting Bolt
Brake Hose Bolt & Nut
Caliper BoltN
· ·· ·
·m
85 - 105
25 - 35
22 - 34
Front Disc Brake . . . . . . . . . . . . . . . . . . . . . . . 4D-2
Unit Repair . . . . . . . . . . . . . . . . . . . . . . . . . . 4D-5
Front Disc Brake . . . . . . . . . . . . . . . . . . . . . . . 4D-5
Page 940 of 1463
4D-2 FRONT DISC BRAKES
1 Eye-Hose Bolt......................................25-35 Nm
2 Gasket ................................................... Replace
3 Brake Hose
4 Brake Caliper
5 Bolt........................................................... 20 Nm
6 Washer
MAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
FRONT DISC BRAKE
Preceding Work : Removal of wheels and tires
7 Front Disc Assembly
8 Brake Pad
9 Brake Hose and Nut.............................25-35 Nm
10 Gasket ................................................... Replace
11 Washer
1 2 Bolt....................................................85-105 Nm
Page 941 of 1463
FRONT DISC BRAKES 4D-3
Removal & Installation Procedure
1. MANDO Brake
Tightening Torque 25 - 35 Nm
2. PBR Brake
Remove the eye-hose bolt and disconnect the hose.
Installation Notice
Tightening Torque 15 - 18 Nm
3. Remove the wheel speed sensor (for ABS vehicies).
Installation Notice
Tightening Torque 6 - 8 Nm
4. Remove the mounting bolts and then caliper assembly.
Installation Notice
Tightening Torque 85 - 105 Nm
Remove the hose mounting nut and disconnect the hose.
Installation Notice
Page 942 of 1463
4D-4 FRONT DISC BRAKES
5. Pull out the brake pads. Replace pads if necessary.
Notice
Always change the all pads on one wheel at a time.
6. Installation should follow the removal procedure in the
reverse order.
7. Bleed the air from the system.
Page 943 of 1463
FRONT DISC BRAKES 4D-5
4. Measure rotor disc thickness.
UNIT REPAIR
FRONT DISC BRAKE
Inspection Procedure
1. Clean all components and visually check the followings.
lCheck the cylinder and piston for wear, rust or damage.
lCheck the caliper body and guide pin for wear, damage
or crank.
lCheck the pads for uneven wear or oiliness.
lCheck the boots for damage or tear.
2. Measure caliper housing inner diameter.
Item
With PBR
With MANDOWear Limit
f 61.4 mm
f 61.0 mm
Standard
10 mmWear Limit
2.0 mm
Standard
f 60.4 mm
f 60.0 mm
3. Measure pad thickness.
Notice
Always change the all pads on one wheel at a time.
5. Check the rotor disc for score or runout.
Standard
24 mmWear Limit
22 mm
Page 944 of 1463
SECTION 4E
REAR DISC BRAKES
TABLE OF CONTENTS
Specifications . . . . . . . . . . . . . . . . . . . . . . . . 4E-1
Fastener Tightening Specifications . . . . . . . . . 4E-1
Maintenance and Repair . . . . . . . . . . . . . . . 4E-2
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . 4E-2
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Application
Caliper Mounting Bolt
Brake Hose
Caliper BoltN
· ·· ·
·m
85 - 105
15 - 18
20
Rear Disc Brake . . . . . . . . . . . . . . . . . . . . . . . 4E-2
Unit Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . 4E-4
Rear Disc Brake . . . . . . . . . . . . . . . . . . . . . . . 4E-4