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AUTOMATIC TRANSMISSION (4 A / T) 7B1-77
ªAº, (d)
1. Drive plate
2. Torque converter
3. Case right stiffener (if equipped)
4. Automatic transmissionTightening torque
(a): 50 N´m
5.0 kg-m
36.5 lb-ft
(b): 65 N´m
6.5 kg-m
47.0 lb-ft
(c): 85 N´m
8.5 kg-m
61.5 lb-ft
(d): 78 N´m
7.8 kg-m
56.5 lb-ft
1. Automatic transmission
2. Transfer (4WD)
3. Engine rear mounting
4. Engine rear mounting member Tightening torque
(a): 50 N´m (5.0 kg-m, 36.5 lb-ft) ªAº: Sealant 99000-31110
REMOUNTING
WARNING:
When moving transmission assembly with torque convert-
er equipped in it, be sure to keep it horizontal. Tilting it with
its front facing down may allow converter to fall off. Where-
by an injury may result.
For remounting, reverse dismounting procedure. Use specified
torque as given below and left.
Tightening torque
N.mkg-mlb-ft
Exhaust No.1 pipe to manifold
bolts or nuts505.036.5
Muffler to exhaust No.2 pipe
nuts606.043.5
Universal joint flange bolts and
nuts505.036.5
Oil filler tube bolts
Select cable bracket bolts232.317.0
Clamp wiring harness and hoses securely.
Refer to ªSelect Cableº section for adjusting procedure of select
cable.
Refer to ªA / T Throttle Cableº section for tuning of A / T throttle
cable.
Follow fluid level check procedure for refilling automatic transmis-
sion fluid and its level adjusting.
Connect battery, and confirm that engine and transmission func-
tion acceptably.
When remounting drive plate, use specified bolts.
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1. Master cylinder
1. Attaching bolt
2. Attaching nut
3. Clevis pin
ªAº
7C1-6 CLUTCH
INSTALLATION
1) To bleed air from master cylinder itself, tilt it as shown in figure
and add fluid into it.
NOTE:
After bleeding air from master cylinder, plug pipe hole in it
to prevent fluid from spilling out of it till pipe is connected.
2) Install master cylinder assembly and new gasket to body, attach-
ing bolt, nuts and push rod clevis pin.
NOTE:
Do not reuse gasket.
3) Torque attaching bolt and nut to specification.
4) Connect fluid pipe and torque flare nut to specification.
Tightening Torque
(a): 13 N
.m (1.3 kg-m, 9.5 lb-ft)
(b): 16 N
.m (1.6 kg-m, 11.5 lb-ft)
5) Apply grease to clevis pin and install it.
ªAº: Grease 99000-25010
6) Fill reservoir with specified brake fluid and check fluid leakage.
7) After installation, bleed air from system and check clutch pedal
free travel. Refer to BRAKE section for air bleeding procedure.
FLUID INSPECTION
Fluid level should be always between MIN and MAX lines on reser-
voir. If fluid decreases quickly, check for leakage, repair leaky point,
if any, and add fluid up to MAX level.
NOTE:
Brake fluid damages painted surface badly. Should it get on
painted surface, remove it immediately and clean surface
thoroughly.
Do not use shock absorber fluid or any other fluid which con-
tains mineral oil. Do not use container which has been used
for mineral oil or which is wet from water. Mineral oil will
cause swelling and distortion of rubber parts in hydraulic
clutch system and water will mix with brake fluid, lowering
fluid boiling point. Keep all fluid containers capped to pre-
vent contamination.
Make sure not to use fluid whose container cap was first
opened more than a year ago.
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7D-2 TRANSFER
DIAGNOSIS
DIAGNOSIS TABLE
Before attempting to repair the transfer or related components for any reason other than mechanical failure, the
condition and probable causes should be identified.
Transfer failures are revealed by shifting difficulties such as excessive shifting effort, gear clash, or gear grinding.
When any of these conditions occur, the following inspections should be made before disassembling the transfer.
1) Check transfer oil level for insufficient or incorrect oil. Refer to ªTransfer and Differential Oil Inspection and
Changeº in SECTION 0B ªMAINTENANCE AND LUBRICATIONº.
2) Check transfer mountings for wear or looseness.
3) Check gearshift control lever for distortion or excessive wear.
After performing the above inspections, refer to following diagnosis table.
Condition
Possible CauseCorrection
Gear slipping out of meshWorn shift fork shaft
Worn shift fork or synchronizer sleeve
Weak or damaged locating spring
Worn bearings on output rear shaft
Worn chamfered tooth on sleeve or gear
Missing or disengagement of circlip(s)Replace
Replace
Replace
Replace
Replace sleeve and gear
Install
Gears refusing to disengageWeakened or broken synchronizer spring
Distorted shift shaft or shift forkReplace
Replace
Hard shiftingWeakened front drive shift shaft spring
Distorted or mispositioned front drive shift
shaft circlip and washer
Inadequate or insufficient lubricant
Worn synchronizer ring
Worn chamfered tooth on sleeve or gear
Distorted shift shaftReplace
Replace
Replenish
Replace
Replace sleeve and gear
Replace
NoiseInadequate or insufficient lubricant
Damaged or worn bearing(s)
Damaged or worn gear(s)
Damaged or worn synchronizer ring
Damaged or worn chamfered tooth on
sleeve or gearReplenish
Replace
Replace
Replace
Replace
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1. Wood block
2. Dash panel
t: 45 mm / 1.8 in.
H: 200 mm / 8 in.
W: 100 ± 150 mm / 4 ± 6 in.
1. Transmission jack
2. Engine rear mounting member
3. Gear shift lever case
4. Bolt
TRANSFER 7D-5
TRANSFER ASSEMBLY
Dismounting and remounting of transfer and transmission together
as a unit is described in Section 7A for Manual Transmission or 7B1
for Automatic Transmission, but it is also possible to dismount and
remount transfer assembly by itself as described below.
DISMOUNTING
IN ENGINE ROOM
1) Disconnect negative (±) cable from battery.
2) Remove distributor assembly (if equipped).
3) Place wood block between engine and dash panel so that it
serves as stopper when engine, transmission and transfer unit
hangs down as rear mounting member is removed.
CAUTION:
Make sure to use wood block to prevent contact which
may occur between dash panel and CMP sensor case
(G16), CMP sensor (J20) or intake manifold (H25), and fan
and shroud.
IN CABIN
1) Remove console box.
2) Remove shift lever of transmission and transfer.
ON LIFT
1) Drain transfer oil.
2) Remove rear propeller shaft.
3) Remove front propeller shaft.
4) Disconnect exhaust center pipe.
5) Disconnect speed sensor coupler.
6) Place transmission jack and remove mounting member.
7) Lower transmission jack gradually and check to ensure that
wood block serves as stopper between engine and dash panel.
8) Remove bolts for gear shift lever case.
9) Pull off breather hose.
Page 501 of 801
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1. Bolt
2. Transfer assembly
1. Bolt
2. Engine rear mounting3. Transfer assembly
1. Bolt
2. Transfer assembly
3. Transmission jack
7D-6 TRANSFER
IN CABIN
Remove gear shift lever case and then remove transfer center case
bolt.
ON LIFT
1) Remove transfer mounting (engine rear mounting) by removing
bolts.
2) Apply transmission jack to transfer to support it.
3) Remove couplers for 4WD / 4WD-LOW switches lead.
4) Remove transfer front case bolts.
5) With transfer assembly supported with transmission jack, slide
it rearward and when it is apart from transmission, lower it.
REMOUNTING
For remounting, reverse dismounting procedure described above,
noting following.
Be sure to use specified torque for tightening.
Clamp wiring and breather hose securely.
Clamp shift lever boot securely.
Fill specified gear oil by specified amount.
Connect battery and check for function.
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DIFFERENTIAL (FRONT) 7E-5
DIAGNOSIS
DIAGNOSIS TABLE
Differential Assembly
ConditionPossible CauseCorrection
Gear noiseDeteriorated or water mixed lubricant
Inadequate or insufficient lubricant
Maladjusted backlash between bevel
pinion and gear
Improper tooth contact in the mesh between
bevel pinion and gear
Loose bevel gear securing bolts
Damaged side gear(s) or side pinion(s)Repair and replenish
Repair and replenish
Adjust
Adjust or replace
Replace or retighten
Replace
Bearing noise(Constant noise) Deteriorated or water
mixed lubricant
(Constant noise) Inadequate or insufficient
lubricant
(Noise while coasting) Damaged bearing(s)
of bevel pinion
(Noise while turning) Damaged diff. side
bearing(s) or axle bearing(s)Repair and replenish
Repair and replenish
Replace
Replace
Oil leakageWorn or damaged oil seal
Excessive oil
Loose differential carrier boltsReplace
Adjust oil level
Replace or retighten
2WD / 4WD
switching errorDefective actuator
Abnormality in 4WD control systemReplace
Inspect referring to ª4WD
CONTROL SYSTEM DIAG-
NOSTIC FLOW TABLEº.
4WD Control System Diagnostic Flow Table
Before performing the trouble diagnosis, check that the transfer and front differential are in good condition and
there is no air leakage from air hoses and the actuator. Refer to ªON-VEHICLE SERVICEº in this section for air
leakage.
[NOTES ON SYSTEM CIRCUIT INSPECTION]
Be sure to read ªPrecautions for Electrical Circuit Serviceº in Section 0A before circuit inspection and observe
what is written there.
For system circuit, refer to the figure of ªGENERAL DESCRIPTIONº in this section.
For terminal arrangement, refer to ª4WD Control Circuit Inspectionº in this section.
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DIFFERENTIAL (FRONT) 7E-9
Viscosity chart SAE
Temperature
ON-VEHICLE SERVICE
MAINTENANCE SERVICE
NOTE:
When having driven through water, check immediately if wa-
ter has entered (if so, oil is cloudy). Water mixed oil must be
changed at once.
Whenever vehicle is hoisted for any other service work than
oil change, also be sure to check for oil leakage and status
of breather hoses.
Gear Oil Change
NOTE:
Hypoid gear oil must be used for differential.
It is highly recommended to use SAE 80W ± 90 viscosity.
1) Before oil change or inspection, be sure to stop engine and lift
up vehicle horizontally.
2) Check oil level and existence of leakage. If leakage is found, cor-
rect its cause.
3) Drain old oil and pour proper amount of gear oil as specified be-
low (roughly up to level hole).
4) Apply sealant to thread of drain plug (b) and torque plugs to
specification.
Sealant 99000-31110
Tightening Torque
(a): 23 N
.m (2.3 kg-m, 17.0 lb-ft)
(b): 23 N
.m (2.3 kg-m, 17.0 lb-ft)
Specified gear oil: Hypoid gear oil API GL-5
SAE 75W ± 85, 90 or 80W ± 90
For oil viscosity, refer to left chart.
Oil capacity: 1.0 liters (2.1 / 1.8 US / lmp. pt)
Page 518 of 801
YH4
GRAND
VITARA
7E-16 DIFFERENTIAL (FRONT)
(a)
(a)
(a)
1. Drive shaft joint R
2. Differential housing3. Transmission jack
4. Screw driver
8) Using 2 large screwdrivers as levers, pull out right side drive
shaft joint from differential and dismount housing assembly from
vehicle.
CAUTION:
During above work, use care not to cause damage to
drive shaft boot.
REMOUNTING
For remounting, reverse dismounting procedure and use following
tightening torque.
Tightening Torque
(a): 50 N
.m (5.0 kg-m, 36.5 lb-ft)
After tightening all fasteners properly, fill hypoid gear oil as speci-
fied and check tightening of plugs with specification.