2002 SUZUKI GRAND VITARA front diff

YH4
GRAND
vol.1
RELATED MANUAL
MANUAL NAMEMANUAL NO.APPLICABILITY
SQ416 / SQ420 / SQ625
Unit Repair Manual99501-65D01-xxxTransmission, Transfer and Differentials
(Front and Rear) of SQ series.
SQ416 / SQ420 / SQ625
Wiring Diagram Manual99512-65D10-015Applicable model mentioned in FOREWORD
of this manual.
SQ416 / SQ420 / SQ625
Service Manual99500-65D00-xxxVehicles before the vehicle identification number
mentioned in FOREWORD of this manual.
SQ416 / SQ420 / SQ625
Wiring Diagram Manual99512-65D01-015

YH4
GRAND
vol.1
0A
0B
1A
1B
3
3A
3B1
3C
3C1
3D
3E
3F
4A2
4B
5
6
7A5A
5B
5C
5E1
6A1
6A2
6A4
6B
6C
6E1
6E2
6F1
6F2
6G
6G1
6H
6K
7A1
7B1
7C1
7D
7E
7F
8
8B
8C
8D
8G
9
10
10A
8A
10B
6-1ENGINE
General Information and
Diagnosis (G16 / J20)
General Information and
Diagnosis (H25)
Engine Mechanical (G16)
Engine Mechanical (H25)
Engine Mechanical (J20)
Engine Cooling
Engine Fuel
Engine and Emission Control
System (SFI for G16 / J20)
Engine and Emission Control
System (SFI for H25)
Ignition System (G16)
Ignition System (J20 / H25)
Cranking System
(Reduction Type)
Cranking System
(No-Reduction Type)
Charging System
Exhaust System
TRANSMISSION, CLUTCH
AND DIFFERENTIAL
Manual Transmission (Type 1)
Manual Transmission (Type 2)
Automatic Transmission
Clutch (Hydraulic Type)
Transfer
Differential (Front)
Differential (Rear)
BODY ELECTRICAL SYSTEM
Wiring Diagram
Lighting System
Instrumentation / Driver
Information
Windows, Mirrors, Security
and Lock
Immobilizer Control System
BODY SERVICE
RESTRAINT SYSTEM
Seat Belt
Air Bag System GENERAL INFORMATION
General Information
Maintenance and Lubrication
TABLE OF CONTENTS TABLE OF CONTENTS SECTIONSECTION
0B
HEATING AND AIR
CONDITIONING
Heater and Ventilation
Air Conditioning
STEERING, SUSPENSION,
WHEELS AND TIRES
Front End Alignment
Power Steering (P / S) System
Steering Wheel and Column
(Not Equipped with Air Bag)
Air Bag Steering Wheel
and Column
Front Suspension
Rear Suspension
Wheel and Tires
1A
3A 0A
1B
3B1
3C
3C1
3D
3E
3F36A16
6A2
6A4
6B
6C
6E1
6E2
6F1
DRIVE SHAFT / PROP. SHAFT
Front Drive Shaft / Shaft
Bearing, Oil Seal
Propeller Shaft
BRAKES
Brake Pipe / Hose / Master
Cylinder
Front Brakes
Parking and Rear Brakes
Antilock Brake System
4A2
4B
5
5A
5B
5C
5E1
6F2
6G
6G1
6H
6K
7A
7A1
7B1
7C1
7D
7E
7F
8
8A
8B
8C
8D
8G
9
10
10A
10B
6-1
NOTE:
The screen toned Sections 6 ± 6K are included in Volume 2 and Section 8A is in Wiring
Diagram Manual.

YH4
GRAND
VITARA
1. Front differential housing
2. Rear axle
housing
When using floor jack:
Front
Rear
1. Safety stands
0A-20 GENERAL INFORMATION
In raising front or rear vehicle end off the floor by jacking, be sure
to put the jack against the center portion of the front suspension
frame or rear axle housing.
WARNING:

Never apply jack against suspension parts (i.e., stabilizer,
etc.) or vehicle floor, or it may get deformed.

If the vehicle to be jacked up only at the front or rear end,
be sure to block the wheels on ground in order to ensure
safety.
After the vehicle is jacked up, be sure to support it on
stands. It is extremely dangerous to do any work on the
vehicle raised on jack alone.
To perform service with either front or rear vehicle end jacked up,
be sure to place safety stands under chassis frame so that body is
securely supported. And then check to ensure that chassis frame
does not slide on safety stands and the vehicle is held stable for
safety's sake.

YH4
GRAND
VITARA
1
1. Clutch pedal free travel
MAINTENANCE AND LUBRICATION 0B-15
CHASSIS AND BODY
ITEM 6-1
Clutch
Pedal inspection
Check clutch pedal for height and free travel referring to Section
7C1. Adjust or correct if necessary.
Fluid inspection
1) Check around master cylinder and reservoir for fluid leakage.
If found leaky, correct.
2) Check fluid level.
If fluid level is lower than the minimum level of reservoir, refilling
is necessary. Fill reservoir with specified brake fluid indicated on
clutch reservoir cap.
For the details, refer to On-vehicle service in Section 7C1.
CAUTION:
Since clutch system of this vehicle is factory-filled with
glycol-base brake fluid, do not use or mix different type
of fluid when refilling system; otherwise serious damage
will occur. Do not use old or used brake fluid, or one taken
from unsealed container.
ITEM 6-2
Brake Discs, Pads, Brake Drums and Shoes Inspection
[Brake discs and pads]
1) Remove wheel and caliper but don't disconnect brake hose from
caliper.
2) Check front disc brake pads and discs for excessive wear, dam-
age and deflection. Replace parts as necessary. For details, re-
fer to Section 5B.
Be sure to torque caliper pin bolts to specification.
[Brake drums and shoes]
1) Remove wheel and brake drum.
2) Check rear brake drums and brake linings for excessive wear
and damage, while wheels and drums are removed. At the same
time, check wheel cylinders for leaks. Replace these parts as
necessary.
For details, refer to Section 5C.

YH4
GRAND
VITARA
MAINTENANCE AND LUBRICATION 0B-19
11) Check coil spring, upper rod, lower rod and lateral rod for de-
formation and damage.
12) Check upper rod, lower rod and lateral rod bushings and bump
stopper for wear, damage and deterioration.
13) Check other suspension parts for damage, loose or missing
parts; also for parts showing signs of wear or lack of lubrication.
Replace any parts found defective in steps 1) to 13).
ITEM 6-9
Propeller Shafts and Drive Shafts Inspection
1) Check universal joint and spline of propeller shaft for rattle. If
rattle is found, replace defective part with a new one.
2) Check propeller shaft (front & rear) flange yoke bolts for tight-
ness, and retighten them as necessary.
Refer to Section 4B for tightening torque.
3) Check drive axle boots (wheel side and differential side) for
leaks, detachment, tear or other damage.
Replace boot as necessary.

YH4
GRAND
VITARA
1. Drain plug
Transfer
Front differential
Rear differential
1
21
2
MAINTENANCE AND LUBRICATION 0B-21
Change
1) Inspect transmission case for evidence of fluid leakage.
Repair leaky point, if any.
2) Make sure that vehicle is placed level for fluid level check.
3) Change fluid. For its procedure, refer to On-vehicle service in
Section 7B1.
Fluid cooler hose change
Replace inlet and outlet hoses of cooler hose and their clamps.
For replacement procedure, refer to On-vehicle service in Section
7B1.
ITEM 6-12 and 6-13
Transfer and Differential Oil Inspection and Change
Inspection
1) Check transfer case and differential for evidence of oil leakage.
Repair leaky point if any.
2) Make sure that vehicle is placed level for oil level check.
3) Remove level plug of transfer or differentials (front and rear) and
check oil level.
Oil level can be checked roughly by means of level plug hole.
That is, if oil flows out of level plug hole or if oil level is found up
to hole when level plug is removed, oil is properly filled.
If oil is found insufficient, pour specified amount of specified oil
referring to Section 7D, 7B or 7F.
4) Tighten level plug to specified torque.
Refer to Section 7D, 7E or 7F for tightening torque.
Change
Change transfer oil or differentials oil with new specified oil referring
to Section 7D, 7E and 7F respectively.

YH4
GRAND
VITARA
MAINTENANCE AND LUBRICATION 0B-25
Steering

Check to ensure that steering wheel is free from in-
stability, or abnormally heavy feeling.

Check that the vehicle does not wander or pull to
one side.
Engine

Check that engine responds readily at all speeds.

Check that engine is free from abnormal noise and
abnormal vibration.
Body, Wheels and Power Transmitting System
Check that body, wheels and power transmitting sys-
tem are free from abnormal noise and abnormal
vibration or any other abnormal condition.
Meters and Gauge
Check that speedometer, odometer, fuel meter, tem-
perature gauge, etc. are operating accurately.
Lights
Check that all lights operate properly.
Windshield Defroster
Periodically check that air comes out from defroster
outlet when operating heater or air conditioning.
Set fan switch lever to ªHIº position for this check.
RECOMMENDED FLUIDS AND LUBRICANTS
Engine oilSG, SH or SJ (Refer to engine oil viscosity chart in item 1-4)
Engine coolant (Ethylene glycol
base coolant)ªAntifreeze / Anticorrosion coolantº
Brake fluidDOT 3
Manual transmission oilRefer to Section 7A or 7A1Transfer oilRefer to Section 7A or 7A1.
Differential oil (front & rear)Refer to Section 7E or 7F.
Automatic transmission fluid and
Power steering fluidRefer to Section 3B1 or 7B1.
Door hingesEngine oil or water resistance chassis greaseHood latch assemblyEngine oil or water resistance chassis grease
Key lock cylinderSpray lubricant

YH4
GRAND
VITARA
3-4 STEERING, SUSPENSION, WHEELS AND TIRES
ConditionPossible CauseCorrection
Wander or Poor
Steering Stability
Mismatched or uneven tires.

Loose ball joints and tie rod
ends.

Faulty shock absorbers / struts or
mounting.

Loose stabilizer bar.

Broken or sagging springs.

Rack and pinion not properly adjusted.
(if equipped with manual steering
gear case)

Disturbed front end alignment.Replace tire or inflate tires to
proper pressure.
Replace suspension control arm or
tie rod end.
Replace absorber / strut or repair
mounting.
Tighten or replace stabilizer bar or
bushes.
Replace spring.
Check or adjust rack and pinion
torque.
Check and adjust front end alignment.
Erratic Steering when
Braking
Worn wheel bearings.

Broken or sagging springs.

Leaking wheel cylinder or caliper.

Warped discs.

Badly worn brake linings.

Drum is out of round in some brakes.

Wheel tires are inflated unequally.

Defective wheel cylinders.

Disturbed front end alignment.Replace wheel bearing.
Replace spring.
Repair or replace wheel cylinder or
caliper.
Replace brake disc.
Replace brake shoe lining.
Replace brake drum.
Inflate tires to proper pressure.
Replace or repair wheel cylinder.
Check front end alignment.
Low or Uneven Trim
Height
Right-to-left trim height
(H) difference should be
within 15 mm (0.6 in.)
with curb weight.
*Same with rear side.
Broken or sagging springs.

Overloaded.

Incorrect springs.Replace spring.
Check loading.
Replace spring.
Ride Too Soft
Faulty shock absorber or struts.Replace shock absorber or strut.
Suspension Bottoms
Overloaded.

Faulty shocks or struts.

Incorrect broken or sagging springs.Check loading.
Replace shock absorber or strut.
Replace spring.