1995 TOYOTA SUPRA air suspension

Front Passenger Airbag:
Visually inspect the front passenger airbag assembly (airbag
and inflater).
wUse the diagnosis check to check if there are
abnormalities.
wCheck that there are no cuts, cracks or noticeable color
changes in the front passenger airbag door.
wRemove the front passenger airbag assembly from the
vehicle and check the wiring and front passenger airbag
door for damage and corrosion due to rusting, etc.
If necessary, replace the front passenger airbag assembly.
CAUTION:
wFor removal and replacement of the steering wheel pad
or front passenger airbag assembly, see RS section and
be sure to perform the operation in the correct order.
wBefore disposing of the steering wheel pad or front pas-
senger airbag assembly must first be deployed by using
SST (See RS section).
18. INSPECT STEERING GEAR HOUSING OIL
Check the steering gear housing for oil leakage.
19. INSPECT BALL JOINTS AND DUST COVERS
(a) Inspect the ball joints for excessive looseness.
wJack up the front of the vehicle and support it with
stands.
wMake sure the front wheels are in a straight±ahead
position, and depress the brake pedal.
wJack up the lower suspension arm until there is about
half a load on the front coil spring.
wMove the front wheel up and down and check that the
ball joint has no excessive play.
Maximum lower ball joint vertical play:
0.3 mm (0.012 in.)
If the play is greater than maximum, replace the ball joint.
(b) Visually check the dust covers for damage.
20. I NSPECT TRANSMISSION OIL (FLUID) AND
DIFFERNTIAL OIL
Visually check the transmission and differential for oil (fluid)
leakage.
If leakage is found, check for the cause and repair.
± MAINTENANCEMAINTENANCE OPERATIONSMA±13

22. TIGHTEN BOLTS AND NUTS ON CHASSIS AND BODY
Tighten the following parts:
wFront seat±to±body mounting bolts
Torque: 37 NVm (375 kgfVcm, 27 ftVlbf).
wFront suspension member±to±body mounting bolt
Torque:
Front side
125 NVm (1,280 kgfVcm, 92 ftVlbf)
Rear side
200 NVm (2,040 kgfVcm, 148 ftVlbf)
wRear suspension member±to±body mounting bolts.
Torque: 175 NVm (1,790 kgfVcm, 129 ftVlbf)
wRear suspension member rear cushion±to±body
mounting bolts
Torque: 58 NVm (590 kgfVcm, 43 ftVlbf)
23. BODY INSPECTION
(a) Check the body exterior for dents, scratches and rust.
(b) Check the underbody for rust and damage.
If necessary, replace or repair.
24. ROAD TEST
(a) Check the engine and chassis for abnormal noises.
(b) Check that the vehicle does not wander or pull to one side.
(c) Check that the brakes work properly and do not drag.
(d) Perform setting of the parking brake shoes and drum.
25. FINAL INSPECTION
(a) Check the operation of the body parts:
wHood
Auxiliary catch operates properly
Hood locks securely when closed
wFront and rear doors
Door locks operate properly
Doors close properly
wLuggage compartment door
Door lock operates properly
wSeats
Seat adjusts easily and locks securely in any position
Front seat back locks securely in any position
Folding±down rear seat backs lock securely
(b) Be sure to deliver a clean car. Especially check:
wSteering wheel
wShift lever knob
wAll switch knobs
wSeats MA±16
± MAINTENANCEMAINTENANCE OPERATIONS

 VSV for EVAP Resistance at 20°C (68°F) 30±34

 VSV for EGR Resistance at 20°C (68°F) 30±34

 
 
 
 
 
ECT sensor 
 
 
 
 
Resistance at ±20°C (±4°F)
at 0°C (32°F)
at 20°C (68°F)
at 40°C (104°F)
at 60°C (140°F)
at 80°C (176°F) 
 
 
 
 
10±20 k

4±7 k

2±3 k

0.9±1.3 k

0.4±0.7 k

0.2±0.4 k

 
 
 
EGR gas
temperature
sensor 
 
 
Resistance at 50°C (122°F)
at 100°C (212°F)
at 150°C (302°F) 
 
 
64±97 k

11±16 k

2±4 k

 Main heated
oxygen sensor Heater coil resistance at 20°C (68°F) 11±16

 
 Sub heated
oxygen sensor 
 Heater coil resistance at 20°C (68°F) 
 11±16

 Fuel cut rpm Fuel return rpm 1,100 rpm
TORQUE SPECIFICATIONS
 Part tightened NVm kgfVcm ftVlbf
Fuel line for union bolt2930022 for flare nut 30 310 22 Fuel pressure regulator x Delivery pipe 8.8 90 78 in.Vlbf Delivery pipe x Intake manifold 21 210 15 Injector holder x Delivery pipe 7.8 80 69 in.Vlbf Fuel inlet pipe x Delivery pipe 41 420 30 Fuel return pipe x Fuel pressure regulator 27 280 20 Air intake chamber x Intake manifold 27 280 20 Manifold stay x Air intake chamber 39 400 29
 Manifold stay x Cylinder head 39 400 29
 EGR pipe x Cylinder head 27 270 20
 EGR pipe x EGR valve 64 650 47
 Control cable bracket x Air intake chamber 19 195 14
 Air intake chamber stay x Intake manifold 19 195 14
 Air intake chamber stay x Control cable bracket 19 195 14
 
 
Fuel pressure pulsation damper x Fuel pipe support
for SST 
 
41
35 
 
420
350 
 
30
25
 Fuel tank band x Body 39 400 29
 MAF meter x Air cleaner case 6.9 70 61 in.Vlbf
Throttle body x Air intake chamber2121015 
IAC valve x Air intake chamber
 
21
 
210
 
15 
EGR gas temperature sensor x EGR valve
 
20
 
200
 
14 Knock sensor x Cylinder block 44 450 33 Main heated oxygen sensor x Exhaust manifold 20 200 14 Sub heated oxygen sensor x Center exhaust pipe 20 200 14 
 Upper front crossmember extension x Front suspension Bolt
Nut 
 29
33 
 300
340 
 22
25
 
 
Front lower arm bracket stay x Front suspension Bolt
Nut 
 
44
59 
 
450
600 
 
33
43
EG±328± ENGINESFI SYSTEM (2JZ±GTE)

PRECAUTION
wCare must be taken to replace parts properly because they could affect the
performance of the steering system and result in a driving hazard.
wThe steering wheel pad has an SRS (Supplemental Restraint System) airbag built in,
so take all due precautions when handling it. For more details, see the RS section.
TROUBLESHOOTING
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, repair or replace these parts.
SA±3SA±4SR±7SA±27SR±49SR±47SA±16
Tires (improperly inflated)Steering column (Binding)Suspension arm ball joints (Worn)Steering system joints (Worn)Drive belt (Loose)Fluid level (Low)Front wheel alignment (Incorrect)Electronic controlSolenoid valveSteering gear housingSliding yoke (Worn)Front wheel bearing (Worn)
Hard steering
Abnormal noise
Excessive play
Poor return
See page
Parts
Name
Trouble
SA±30
SR±2± STEERINGTROUBLESHOOTING

ON±VEHICLE REPAIR
COMPONENTS
± SUSPENSION AND AXLEREAR DIFFERENTIALSA±57

(d) After the moisture on the ring gear has completely
evaporated, quickly install the ring gear to the differential
case.
HINT: Align the matchmarks on the ring gear and the differen-
tial case.
(e) Temporarily tighten the 2 bolts so that the bolt holes in the ring
gear and differential case are not misaligned.
NOTICE: The ring gear set bolts should not be tightened
until the ring gear has cooled sufficiently.
4. INSTALL RING GEAR SET BOLTS
(a) After the ring gear has cooled sufficiently, install new ring
gear set bolts to which thread lock has been applied.
Thread lock:
Part No. 08833±00100, THREE BOND 1360 K or
equivalent.
NOTICE: New ring gear set bolts should be used in every
case.
(b) Torque the set bolts uniformly and a little at a time.
Torque: 64 NVm (650 kgfVcm, 47 ftVlbf)
(c) Tighten the bolts an additional 60±90°.
NOTICE: Tighten the bolts in diagonally opposite pairs.
5. INSTALL SIDE BEARINGS
Using SST and a press, install the side bearings.
2JZ±GTE M/T:
SST 09608±35014 (09608±06020),
09710±30050, 09726±36010
Except 2JZ±GTE M/T:
SST 09608±35014 (09608±06020,
09608±06100), 09710±30050
6. INSTALL DRIVE PINION BEARING OUTER RACES AND
ADJUSTING PLATE WASHER
NOTICE: Always reassemble with a new adjusting plate
washer.
HINT: The adjusting plate washer is used for adjusting the
tooth contact pattern. 42 types of washer with differential
thicknesses are available.
First fit a washer with the same thickness as the washer
which was removed, then after checking the tooth contact
pattern, replace the washer with one of a different thickness
if necessary.
± SUSPENSION AND AXLEREAR DIFFERENTIALSA±71

CAC REMOVAL
Installation is in the reverse order of removal.
1. REMOVE NO.1 AIR HOSE
2. REMOVE ENGINE UNDER COVER
3. w/o Auto Spoiler:
REMOVE NO.2 ENGINE UNDER COVER
4. REMOVE RH FRONT FENDER SPLASH SHIELD SEAL
5. w/ Auto Spoiler:
REMOVE RH ENGINE UNDER COVER
6. DISCONNECT AIR HOSE FROM CAC
(a) Remove the 2 bolts holding the No.2 air tube (3) to the body.
(b) Disconnect these hoses:
(1) No.2 air hose from CAC
(2) No.4 air hose from No.2 air tube
(3) No.3 air hose from CAC
(c) Remove the No.2 air tube (4).
7. REMOVE CAC AND CAC DUCT ASSEMBLY
w/o Auto Spoiler:
Remove the nut, 2 bolts and CAC.
Torque: 13 NVm (135 kgfVcm, 10 ftVlbf)
w/ Auto Spoiler:
(a) Fully turn the tire in the illustration direction.
(b) Remove the nut, 2 bolts and CAC.
Torque: 13 NVm (135 kgfVcm, 10 ftVlbf)
HINT: Remove the CAC between the suspension and body
at the illustrated angle of the CAC.
8. REMOVE CAC DUCT FROM CAC
Remove the 4 bolts and CAC duct.
Torque: 4.9 NVm (50 kgfVcm, 43 in.Vlbf)
± ENGINETURBOCHARGER SYSTEM (2JZ±GTE)EG±161

SERVICE SPECIFICATIONS
SERVICE DATA
 
 
 
Turbocharger 
 
 
Turbocharging pressure
Impeller wheel axial play Limit
Impeller wheel radial play Limit 
 
 
61±75 kPa (0.62±0.76 kgf/cm2, 8.8±10.8 psi)
0.162 mm (0.0064 in.)
0.110 mm (0.0045 in.)
TORQUE SPECIFICATIONS
 
 Part tightened 
 NVm 
 kgfVcm 
 ftVlbf
 Turbocharger x Turbine outlet elbow 25 250 18
 Turbo water pipe x Turbocharger 8.8 90 78 in.Vlbf
 Side bearing housing plate x Turbocharger 8.8 90 78 in.Vlbf
 No.2 air tube x No.2 turbocharger 21 210 15 
 Turbocharger x Exhaust manifold
 
 54
 
 550
 
 40
 Turbo oil pipe x Turbocharger 21 210 15
 Turbo oil pipe x Cylinder block 39 400 29
 Turbocharger stay x Turbocharger 43 440 32 
 Turbocharger stay x Cylinder block
 
 43
 
 440
 
 32
 Exhaust gas control valve x Turbine outlet elbow 69 700 51
 Main heated oxygen sensor x Exhaust gas control valve 20 200 14
 Exhaust gas control valve stay x Exhaust gas control valve 43 440 32 
 Exhaust gas control valve stay x Cylinder block
 
 43
 
 440
 
 32
 Exhaust bypass pipe x Turbine outlet elbow 25 250 18
 Exhaust bypass pipe x Exhaust gas control valve 25 250 18
 Intake air control valve x No.2 turbocharger 21 210 15 
No.4 air tube x No.1 turbocharger 
21 
210 
15 
 No.1 air tube x No.1 turbocharger
 
 21
 
 210
 
 15
 No.2 front exhaust pipe x Exhaust gas control valve 62 630 46
 Front exhaust pipe x No.2 front exhaust pipe 58 590 43
 Pipe support bracket x Transmission 43 440 32 
 
 
Upper front crossmember extension x Front suspension Bolt
Nut
 
 
 
29
33
 
 
 
300
340
 
 
 
22
25
 
 
Front lower arm bracket stay x Front suspension Bolt
Nut 
 
44
59 
 
450
600 
 
33
43
 CAC duct x CAC 4.9 50 43 in.Vlbf
 CAC x Body 13 135 10
EG±162± ENGINETURBOCHARGER SYSTEM (2JZ±GTE)