gearbox SSANGYONG MUSSO 1998 Workshop Repair Manual

Application
Steering Wheel
Steering Gear Box
Oil Pump
Steering Column
Minmum Turning Radius
Oil
SECTION 6A
POWER STEERING SYSTEM
TABLE OF CONTENTS
Specifications . . . . . . . . . . . . . . . . . . . . . . . . 6A-1
General Specifications . . . . . . . . . . . . . . . . . . 6A-1
Fastener Tightening Specifications . . . . . . . . . 6A-1
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A-2
Hard Steering . . . . . . . . . . . . . . . . . . . . . . . . . 6A-2
Steering Pulls to One Side . . . . . . . . . . . . . . . 6A-2
Excessive Wheel Play . . . . . . . . . . . . . . . . . . . 6A-2
Poor Return of Steering Wheel . . . . . . . . . . . . 6A-2
Steering Wheel Shimmy . . . . . . . . . . . . . . . . . 6A-3
SPECIFICATIONS
GENERAL SPECIFICATIONS
Abnormal Noise From Steering System . . . . . 6A-3
Component Locator . . . . . . . . . . . . . . . . . . . 6A-4
Steering System . . . . . . . . . . . . . . . . . . . . . . . 6A-4
Maintenance and Repair . . . . . . . . . . . . . . . 6A-5
On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . 6A-5
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A-5
Oil Pump Pressure Check . . . . . . . . . . . . . . . . 6A-6
Bleeding of Power Steering System . . . . . . . . 6A-6
Steering Gear Box . . . . . . . . . . . . . . . . . . . . . 6A-7
Number of Spoke
Outer Diameter
Type
Gear Ratio
Inner Steering Angle
Outer Steering Angle
Type
Maximum Pressure
Upper Tilting Angle
Lower Tilting Angle
Type
Capacity
Change Interval
Description
4
396 mm
Rack and Pinion
¥
33°37'
31°50'
Vane
75-82 kg/cm
2
4.646°
6.969°
5.25m
ATF DEXRON II
1 L
Every 24,000 km
FASTENER TIGHTENING SPECIFICATIONS
Application
Steering Shaft Bolt
Pressure Hose Bolt
Return Pipe Nut
Slotted Nut
Steering Gearbox BoltNlm
30 - 40
12 - 18
12 - 18
35 - 45
35 - 45

6A-2 POWER STEERING SYSTEM
Checks
Damaged or Binding Steering Ball Joint
Improper Preload of Steering Pinion
Damaged Wheel or Tire
Faulty Suspension SystemChecks
Worn Steering Gear
Worn or Damaged Steering Ball Joint
Loosened Steering Gearbox BoltsChecks
Damaged Steering Linkage
Damaged Wheel and Tire
Faulty Brake System
Faulty Suspension SystemChecks
Lack of Lubrication
Abnormal Wear or Binding of Steering Ball Joint
Damaged or Faulty Steering Gear
Improper Preload of Steering Pinion
Faulty Steering Shaft Joint
Steering Fluid Leaks
Lack of Fluid or Air-in System
Faulty Steering Oil Pump
Damaged or Loosened Pump Drive Belt
Clogging Oil Line
Damaged Wheel or Tire
Faulty Suspension System
DIAGNOSIS
HARD STEERING
Action
Lubricate
Replace
Replace gear assembly
Adjust
Replace
Repair or replace
Replenish or bleed
Replace
Adjust or replace
Repair or replace
Repair or replace
Repair or replace
STEERING PULLS TO ONE SIDE
Action
Repair
Repair or replace
Repair or replace
Repair or replace
EXCESSIVE WHEEL PLAY
Action
Replace gear assembly
Replace
Retighten
POOR RETURN OF STEERING WHEEL
Action
Replace
Replace gear assembly
Repair or replace
Repair or replace

POWER STEERING SYSTEM 6A-3
Checks
Loosened Steering Gearbox Mounting Bolt
Faulty Steering Gear
Steering Column Linterference
Loosened Steering Linkage
Damaged or Loosened Oil Pump Drive Belt
Loosened Oil Pump Bracket
Loosened Oil Pump Mounting Bolt
Air-in System
Faulty Oil PumpChecks
Damaged Steering Linkage
Loosened Steering Gearbox Mounting Bolt
Damaged or Binding Steering Ball Joint
Worn or Damaged Front Wheel Bearing
Damaged Wheel or Tire
Faulty Suspension System
STEERING WHEEL SHIMMY
Action
Replace
Retighten
Replace
Replace
Repair or replace
Repair or replace
ABNORMAL NOISE FROM STEERING SYSTEM
Action
Retighten
Replace gear assembly
Replace
Retighten
Adjust or replace
Retighten
Retighten
Bleed
Replace

POWER STEERING SYSTEM 6A-7
STEERING GEAR BOX
1 Bolt.......................................................30-40Nm
2 Spring Washer
3 Lower Shaft
4 Pressure Hose......................................12-18Nm
5 Return Pipe..........................................12-18Nm
6 Cotter Pin7 Slotted Nut............................................35-45Nm
8 Nut
9 Spring Washer
1 0 Bolt.......................................................35-45Nm
11 Washer
12 Steering Gearbox Assembly