2012 SSANGYONG RODIUS Service Manual

07-10
(2) Coil Spring
High tensile steel used.
Minimum length should be 20 mm longer than the fully compressed length.
Spring seat used. -
-
-
Description 4WD 2WD
Part number45110-21000 45110-21000
Spring rate (kg/mm)12.0 ±5% 12.0 ±5%
Coil diameter (mm)15.9 15.9
Inner diameter (mm)69.1 69.1
Pitch (mm)85.0 85.0
Number of windings9.55 9.55
Number of active windings8.35 8.35
CVW (Curved Vehicl
e
Weight)Height (mm)250 250
Weight (kg)880 880
Stress (kg/mm)
62.1 62.1
Winding directionClockwise Clockwise
Spring length (mm)323.3 323.3
Dimension ▶

08-34850-03
Brake oil Grade DOT 4
Service interval Replace every 2 years
1. SPECIFICATIONS
Description Specification
Front brake Type Ventilated disc
Rear brake Type Ventilated disc
Master cylinder Type Step feed bore tandem, double cylinder
Brake booster Type Tandem type(integrated level sensor)
Operating type Foot operated type

08-4
2. SPECIAL SERVICE TOOL
Piston Puller Caliper Piston Compressor

08-54850-03
3. TROUBLESHOOTING
Problem Possible Cause Action
Noise or vehicle
vibration when
appliedIncorrectly mounted back plate or caliper Repair
Loosened bolt of back plate or caliper Retighten
Uneven wear of brake disc Replace
Brake pad contamination Clean or replace
Sticking brake pad on contact surface Replace
Wear or hardening of brake pad Replace
Excessive clearance between caliper and pad Repair
Uneven contact of pad Repair
Lack of lubrication in sliding parts Lubricate
Improper operation of caliper Replace
Dust cover missing Repair
Loosened suspension mounting bolt Retighten
Pulls to one side
when brakingUnbalanced tire pressure between left and right Adjust
Poor contact of brake pad Repair
Oil or grease on brake pad Replace
Scratch, uneven wear, distortion of brake disc Replace
Improperly installed brake caliper Repair
Improper operation of auto adjuster Repair
Crack or distortion of brake pad Replace
Poor braking Oil leak or contamination Repair or replace
Air in brake line Bleed air
Improper operation of brake booster Repair
Poor contact of brake pad Repair
Oil or grease on brake pad Replace
Improper operation of auto adjuster Repair
Clogged brake line Repair
Improper operation of proportioning valve Repair

08-6
Problem Possible Cause Action
Increased pedal
strokeAir in brake line Bleed air
Oil leak Repair
Worn brake pad Replace
Excessive clearance between push rod and master
cylinderAdjust
Worn or damaged piston seal Replace
Brake dragging Parking brake is not fully released Replace
Incorrect adjustment of parking brake Adjust
Incorrectly adjusted clearance of parking brake shoe Adjust
Faulty brake pedal return spring Replace
Incorrectly adjusted free play of brake pedal Adjust
Faulty master cylinder Replace
Lack of lubrication in sliding parts Lubricate
Faulty brake booster (vacuum leak) Repair
Poor parking brake Wear, hardening or poor contact of brake pad Replace
Oil or water on lining Repair or replace
Fixed or broken parking brake cable Replace
Excessive stroke of brake lever Adjust notch
Faulty auto clearance adjuster Repair
Increased stroke of
parking brake leverLoosened parking brake cable Adjust or replace
Incorrectly adjusted parking brake cable Adjust
Defective automatic lining clearance adjuster Repair or replace
Worn brake liningReplace

08-70000-00
Problem Cause Action
Burning smell
around tireToo frequent braking in high driving speed Reduce the use of
foot brake/use
engine brake
properly sed only foot brake during downhill driving
Driving with foot on brake pedal Get off the foot
from pedal
Foreign materials such as dirt or sand in brake system Replace: caliper,
wheel cylinder,
master cylinder,
return spring
Broken return spring in shoe assembly Replace
Incorrectly adjusted parking brake cable Adjust
Incorrect wheel or wheel cover
(generating the heat)Replace

08-8
Measure the disc thickness at over four
points.
If any of measured points is below the
wear limit, replace the brake disc with new
one. 1.
2.
Clean the dissembled components and visually check the followings:
-Wear, rust and damage on the cylinder and piston
- Damage, crack and wear on cylinder body and guide pin
- Uneven wear and oil contamination on pad
- Damage and tear on boot
- Scratch and bending on disc plate
▶Pad Thickness
Remove the front tire.
Measure the pad thickness and replace it
if it is below the wear limit. 1.
2.
New pad Wear limit
28.0 mm 25.4 mm
▶Brake Disc Thickness
New pad Wear limit
10.5 mm 2 mm
4. INSPECTION
1) Front Brake System
Replace the brake pads at both sides as a
set.

08-94850-03
Install the dial gauge on the side of brake
disc and measure the run-out while rotating
the brake disc.
If the measured value exceeds the limit,
replace the brake disc with new one.
Otherwise, it may cause the pedal vibration
and shimmy when braking. 1.
2.
Limit0.03 mm
(before installation)
0.07 mm (after installation)
Disc Run-Out ▶