1986 TOYOTA SUPRA fuel pressure

9. DISCONNECT ENGINE WIRE
(a) Disconnect these connectors and clamps:
(1) 6 injectors connectors
(2) 2 camshaft position sensor connectors
(3) 3 engine wire clamps from injector holders
(4) VSV connector for EVAP
(b) Remove the 2 bolts, and disconnect the 2 ground straps from
the intake manifold.
(c) Remove the nut, and disconnect the engine wire protector
from the intake manifold.
10. REMOVE STARTER
(See starter removal in Starting System)
11. REMOVE PRESSURE TANK AND VSV ASSEMBLY
(a) Disconnect the 2 vacuum hoses from the pressure tank.
(b) Remove the 2 nuts and pressure tank and VSV assembly.
12. REMOVE FUEL PRESSURE PULSATION DAMPER
(See step 2 in fuel pressure pulsation damper in SFI Sys-
tem)
13. REMOVE FUEL INLET PIPE
Remove the union bolt, 2 gaskets, clamp bolt and fuel inlet
pipe.
14. RE MO V E INTAKE MANIFO LD AND DE LIV E RY PIP E
ASSEMBLY
Remove the 4 bolts, 2 nuts, engine wire bracket, the intake
manifold, delivery pipe assembly and gasket. EG±48
± ENGINEENGINE MECHANICAL

8. INSTALL FUEL INLET PIPE
(a) Connect the fuel inlet pipe with 2 new gaskets and the union
bolt.
Torque: 42 NVm (420 kgfVcm, 30 ftVlbf)
(b) Install the clamp bolt to the intake manifold.
9. INSTALL FUEL PRESSURE PULSATION DAMPER
(See fuel pressure pulsation damper installation in SFI
System)
10. INSTALL INTAKE MANIFOLD STAY
Torque: 39 NVm (400 kgfVcm, 29 ftVlbf)
11. INSTALL WATER OUTLET AND NO.1 BYPASS HOSE
ASSEMBLY
12. CONNECT ENGINE WIRE
(a) Install the engine wire protector to the intake manifold with
the 3 nuts.
(b) Connect these connectors:
w6 injector connectors
HINT: The No.1, No.3 and No.5 injector connectors are dark
gray, and the No.2, No.4 and No.6 injector connectors are
gray.
wECT sensor connector
wECT sender gauge connector
(c) Install the 2 wire clamps to the intake manifold with the bolts.
(d) Install the 2 ground straps to the intake manifold with the
bolts.
(e) Install the engine wire bracket to the water pump with the bolt.
13. INSTALL VACUUM CONTROL VALVE SET
Torque: 21 NVm (210 kgfVcm, 15 ftVlbf)
14. INSTALL AIR INTAKE CHAMBER
(a) Install a new gasket and the intake chamber with the 5 bolts
and nut.
Torque: 27 NVm (280 kgfVcm, 20 ftVlbf)
(b) Install the bolt holding the engine wire protector to the air
intake chamber.
(c) Except California:
Connect the vacuum sensing hose to the fuel pressure regu-
lator.
15. INSTALL STARTER
(See starter removal in Starting System)
16. INS TALL OIL DIP S TICK GUIDE S FO R ENG INE AND
TRANSMISSION
(a) Install a new O±ring to the dipstick guide.
(b) Apply soapy water to the O±ring.
(c) Connect the dipstick guide end to the oil pan.
(d) Install the 2 dipstick guides with the 2 bolts.
17. INSTALL ENGINE WIRE BRACKET
18. CONNECT FUEL RETURN HOSE
± ENGINEENGINE MECHANICALEG±67

(d) Install the seal washers to the mounting bolts.
(e) Install the No.2 cylinder head cover with the 4 seal washers
and 4 bolts.
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
(f) Install the No.1 cylinder head cover with the 4 seal washers
and 4 bolts.
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
(g) Install the PCV valve.
(h) Install the cruise control actuator cable bracket and IAC valve
pipe clamp with the 2 bolts.
7. INSTALL SPARK PLUGS
8. INSTALL IGNITION COILS ASSEMBLIES
(See ignition coils installation in Ignition System)
9. INSTALL TIMING BELT
(See steps 11 to 17 in timing belt installation)
10. INS TALL INTAKE MANIFO LD AND DE LIV E RY PIP E
ASSEMBLY
Install a new gasket, the intake manifold, delivery pipe as-
sembly and engine wire bracket with the 4 bolts and 2 nuts.
Torque: 27 NVm (280 kgfVcm, 20 ftVlbf)
11. INSTALL FUEL INLET PIPE
(a) Connect the fuel inlet pipe with 2 new gaskets and the union
bolt.
Torque: 42 NVm (420 kgfVcm, 30 ftVlbf)
(b) Install the clamp bolt to the intake manifold.
12. INSTALL FUEL PRESSURE PULSATION DAMPER
(See fuel pressure pulsation damper installation in SFI
System)
13. INSTALL PRESSURE TANK AND VSV ASSEMBLY
Torque: 21 NVm (210 kgfVcm, 15 ftVlbf)
14. INSTALL STATER
(See starter installation in Starting System)
15. CONNECT ENGINE WIRE
(a) Install the engine wire protector to the intake manifold with
the nut.
(b) Install the 2 ground straps to the intake manifold with the
bolts.
(c) Connect these connectors and clamps:
wVSV connector fo EVAP EG±70
± ENGINEENGINE MECHANICAL

13. CONNECT ENGINE WIRE TO COWL PANEL
14. INSTALL A/C COMPRESSOR
(a) Using a torx socket (E10), install the stud bolt and and
compressor.
Torque: 26 NVm (265 kgfVcm, 19 ftVlbf)
(b) Connect the compressor connector.
(c) Temporarily install the compressor with nut and 3 bolts.
(d) Alternately tighten the bolt and nut.
Torque: 52 NVm (530 kgfVcm, 38 ftVlbf)
15. INSTALL PS PRESSURE TUBE
16. INSTALL PS PUMP
(a) Install the pump bracket with the 3 bolts.
Torque:
A 58 NVm (590 kgfVcm, 43 ftVlbf)
B 39 NVm (400 kgfVcm, 29 ftVlbf)
(b) Install the pump housing with the 2 bolts.
Torque: 58 NVm (590 kgfVcm, 43 ftVlbf)
(c) Connect these hoses:
wAir hose to throttle body
wAir hose to air intake chamber
17. CONNECT FUEL HOSES
(a) Connect the fuel return hose to the fuel return pipe.
(b) Install the fuel return hose to the clamp of the dipstick guide.
(c) Install the fuel inlet hose with 2 new gaskets and the union
bolt.
Torque: 29 NVm (300 kgfVcm, 22 ftVlbf)
18. CONNECT WIRES AND CONNECTORS
19. CONNECT EVAP HOSE
20. CONNECT BRAKE BOOSTER VACUUM HOSE
21. CONNECT HEATER WATER HOSES
22. INSTALL CHARCOAL CANISTER
23. INSTALL WATER PUMP PULLEY, FAN, FLUID COUPLING
ASSEMBLY AND DRIVE BELT
(See step 10 in water pump installation in Cooling Sys-
tem)
24. M/T:
INSTALL DRIVE BELT TENSIONER DAMPER
(See step 19 timing belt installation)
25. INSTALL AIR CLEANER AND MAF METER ASSEMBLY
26. INSTALL NO.1 AIR HOSE
27. CONNECT CONTROL CABLES TO THROTTLE BODY
28. FILL WITH FUEL
29. FILL WITH ENGINE OIL
30. START ENGINE AND CHECK FOR LEAKS
± ENGINEENGINE MECHANICALEG±131

 
 
 
 
 
 
 
 
 
 
Crankshaft
(cont'd) 
 
 
 
 
 
 
 
 
 
Main bearing center wall thickness (Reference)
Mark 1
Mark 2
Mark 3
Mark 4
Mark 5
Crank pin diameter STD
U/S 0.25
Circle runout Maximum
Main journal taper and out±of±round Maximum
Crank pin taper and out±of±round Maximum 
 
 
 
 
 
 
 
 
 
1.994±1.997 mm (0.0785±0.0786 in.)
1.997±2.000 mm (0.0786±0.0787 in.)
2.000±2.003 mm (0.0787±0.0789 in.)
2.003±2.006 mm (0.0789±0.0790 in.)
2.006±2.009 mm (0.0790±0.0791 in.)
51.982±52.000 mm (2.0465±2.0472 in.)
51.745±51.755 mm (2.0372±2.0376 in.)
0.06 mm (0.0024 in.)
0.02 mm (0.0008 in.)
0.02 mm (0.0008 in.)
TORQUE SPECIFICATIONS
 Part tightened NVm kgfVcm ftVlbf
 Timing belt plate X Oil pump (2JZ±GTE) 7.8 80 69 in.Vlbf
 Idler pulley X Oil pump 34 350 25
 Crankshaft pulley X Crankshaft 324 3,300 239
 Camshaft timing pulley X Camshaft 79 810 59
Timing belt tensioner X Oil pump2627020 Drive belt tensioner X Cylinder head 21 210 15 Drive belt tensioner damper X Tensioner arm (2JZ±GTE M/T) 20 200 14 Drive belt tensioner damper X Tensioner bracket (2JZ±GTE M/T) 20 200 14 EGR cooler X Cylinder head 8.8 90 78 in.Vlbf ECT sensor X Cylinder head (2JZ±GE) 20 200 14 ECT sender gauge X Cylinder head (2JZ±GE) 20 200 14
 Engine hanger X Cylinder head 39 400 29
 Camshaft position sensor X Cylinder head (2JZ±GTE) 8.8 90 78 in.Vlbf
 
 
 
Cylinder head X Cylinder block 1st
2nd
3rd 



34
Turn 905
Turn 905 
 
 
350 
 
 
25
 Camshaft bearing cap X Cylinder head 20 200 14
 No.4 timing belt cover X Cylinder head 8.8 90 78 in.Vlbf
 Cylinder head cover X Cylinder head 2JZ±GE
2JZ±GTE 8.3
5.4 85
55 74 in.Vlbf
48 in.Vlbf
 
 Intake manifold X Cylinder head 2JZ±GE
2JZ±GTE 


27
27 
 280
280 
 20
20
 Fuel inlet pipe X Delivery pipe 42 420 30 Intake manifold stay X Intake manifold 39 400 29
 Intake manifold stay X Cylinder block 39 400 29
 Water outlet X Cylinder head (2JZ±GTE) 21 210 15
 Vacuum control valve set X Intake manifold (2JZ±GE) 21 210 15
 
 
Air intake chamber X Intake manifold 2JZ±GE
2JZ±GTE 


27
27 
 
280
280 
 
20
20
 Air intake chamber stay X Cylinder head (2JZ±GE) 18 185 13
 Air intake chamber stay X Air intake chamber (2JZ±GE) 18 185 13
 Exhaust manifold X Cylinder head 39 400 29
Pressure tank X Intake manifold (2JZ±GTE)2121015 
 Main bearing cap X Cylinder block 1st
2nd
 


44
Turn 905
 
 450
 
 33
EG±138± ENGINEENGINE MECHANICAL

 Connecting rod cap X Connecting rod 1st
2nd 29
Turn 905 300 22
 
Oil nozzle X Crankshaft (2JZ±GTE)
 
8.8
 
90
 
78 in.Vlbf Rear oil seal retainer X Cylinder block 5.9 60 52 in.Vlbf Crankshaft position sensor X Cylinder block (2JZ±GTE) 8.8 90 78 in.Vlbf Engine mounting bracket X Cylinder block 58 590 43 Engine coolant drain plug X Cylinder block 29 300 22 Union for oil cooler X Cylinder block (2JZ±GTE) 39 400 29
 Knock sensor X Cylinder block 44 450 33
 Oil pressure switch X Cylinder block 14 150 11
 Fuel pipe support X Cylinder block 14 145 10
 Oil filter bracket X Cylinder block 88 900 65
 No.2 water bypass pipe X Water pump 21 210 15
 No.2 water bypass pipe X Cylinder block 21 210 15
 Flywheel X Crankshaft (M/T) 1st
2nd 49
Turn 905 500 36
 Drive plate X Crankshaft (A/T) 83 850 61 Clutch cover X Flywheel (M/T) 19 195 14 
 Cylinder block X Transmission 14 mm head
17 mm head 
 39
72 
 400
730 
 29
43
 Clutch service hole cover X Clutch housing (2JZ±GTE M/T) 12 120 9
 Drive plate X Torque converter clutch (A/T) 33 340 25
 Oil cooler tube X Union for transmission (A/T) 34 350 25
 Rear support member X Body 25 260 19
 Rear support member X Engine rear mounting insulator 13 135 10
 Front suspension crossmember X Engine mounting insulator 59 600 43
 Transmission shift lever X Shift lever retainer (M/T) 19 195 14
 Transmission control rod X Shift lever (A/T) 13 130 9
Clutch release cylinder X Transmission (M/T)131309 
Clutch line tube X No.1 oil pan
 
37
 
380
 
27 Ground strap X Transmission (M/T) 37 380 27 Fuel inlet hose X Fuel pipe support 29 300 22 
 A/C compressor X Cylinder block for stud bolt
for bolt and nut 
 26
52 
 265
530 
 19
38
 PS pump front bracket X Cylinder block (2JZ±GE) 58 590 43
 PS pump front bracket X Oil pump (2JZ±GE) 52 530 38
 PS pump housing X PS pump bracket 58 590 43
 PS pump bracket X A/C compressor 58 590 43
 PS pump bracket X Cylinder block 39 400 29
 PS pump rear stay X PS pump bracket 39 400 29
 PS pump rear stay X Intake manifold stay (2JZ±GE) 39 400 29
 Rear center floor crossmember brace X Body (2JZ±GTE) 28 290 21
No.2 front exhaust pipe X Exhaust manifold6263046 No.2 front exhaust pipe X Front exhaust pipe 58 590 43 Pipe support bracket X Transmission 43 440 32 Front exhaust pipe X Center exhaust pipe 58 590 43 Center exhaust pipe X Tailpipe 19 195 14 
 
Sub heated oxygen sensor
x Front exhaust pipe (2JZ±GE (California), 2JZ±GTE) 
 
20 
 
200 
 
14
± ENGINEENGINE MECHANICALEG±139

EVAPORATIVE EMISSION (EVAP)
CONTROL SYSTEM
FUEL VAPOR LINES, FUEL TANK AND
TANK CAP INSPECTION
1. VISUALLY INSPECT LINES AND CONNECTIONS
Look for loose connections, sharp bends or damage.
2. VISUALLY INSPECT FUEL TANK
Look for deformation, cracks or fuel leakage.
3. VISUALLY INSPECT FUEL TANK CAP
Check if the cap and/or gasket are deformed or damaged.
If necessary, repair or replace the cap.
CHARCOAL CANISTER INSPECTION
1. REMOVE CHARCOAL CANISTER
2. VISUALLY INSPECT CHARCOAL CANISTER
Look for cracks or damage.
3. CHECK FOR CLOGGED FILTER AND STUCK CHECK
VA LV E
(a) Using low pressure compressed air (4.71 kPa (0.048
kgf/cm
2, 0.68 psi)), blow into port C and check that air flows
without resistance from the other ports. EG±178
± ENGINEEMISSION CONTROL SYSTEMS (2JZ±GTE)

EVAPORATIVE EMISSION (EVAP)
CONTROL SYSTEM
FUEL VAPOR LINES, FUEL TANK AND
TANK CAP INSPECTION
1. VISUALLY INSPECT LINES AND CONNECTIONS
Look for loose connections, sharp bends or damage.
2. VISUALLY INSPECT FUEL TANK
Look for deformation, cracks or fuel leakage.
3. VISUALLY INSPECT FUEL TANK CAP
Check if the cap and/or gasket are deformed or damaged.
If necessary, repair or replace the cap.
CHARCOAL CANISTER INSPECTION
1. REMOVE CHARCOAL CANISTER
2. VISUALLY INSPECT CHARCOAL CANISTER
Look for cracks or damage.
3. CHECK FOR CLOGGED FILTER AND STUCK CHECK
VA LV E
(a) Using low pressure compressed air (4.71 kPa (0.048
kgf/cm
2, 0.68 psi)), blow into port B and check that air flows
without resistance from the other ports. EG±166
± ENGINEEMISSION CONTROL SYSTEMS (2JZ±GE)