1986 TOYOTA SUPRA water pump

17. REMOVE VSV ASSEMBLY
(a) Disconnect these hoses:
(1) Air hose from actuator for waste gate valve
(2) Air hose from actuator for exhaust gas control valve
(3) Air hose from hose clamp
(4) Engine wire from wire clamp
(b) Remove the 2 bolts.
(c) Disconnect the 2 VSV connectors, and remove the VSV
assembly.
18. REMOVE AIR TUBES AND INTAKE AIR CONNECTOR
(a) Disconnect the connector and hoses:
(1) Crankshaft position sensor connector from clamp
(2) Water bypass hose (from water pump) from No.1 turbo
water pipe
(3) Water bypass hose (from water outlet) from No.1 turbo
water pipe
(4) Water bypass hose (from water outlet) from No.2 turbo
water pipe
(b) Remove the bolt, and disconnect the No.2 turbo water pipe
from the No.4 air tube.
(c) Remove the 2 bolts, and disconnect the No.1 air tube from
the No.1 turbocharger. Remove the gasket.
INSTALLATION HINT: Use a new gasket.
Torque: 21 NVm (210 kgfVcm, 15 ftVlbf)
(d) Remove the 2 bolts holding the No.4 air tube to the No.1
turbocharger. Remove the gasket.
INSTALLATION HINT: Use a new gasket.
Torque: 21 NVm (210 kgfVcm, 15 ftVlbf)
(e) Disconnect these hoses, and remove the No.4 air tube and
air bypass valve assembly.
(1) Air hose from No.4 air tube
(2) Air hose from intake air connector
± ENGINETURBOCHARGER SYSTEM (2JZ±GTE)EG±153

TIMING BELT REMOVAL
1. REMOVE RADIATOR ASSEMBLY
(See radiator removal in Cooling System)
2. 2JZ±GTE M/T:
REMOVE DRIVE BELT TENSIONER DAMPER
Remove the 2 nuts and tensioner damper.
3. REMOVE DRIVE BELT, FAN, FLUID COUPLING
ASSEMBLY AND WATER PUMP PULLEY
(See step 6 in water pump removal in Cooling System)
4. REMOVE NO.3 TIMING BELT COVER
(a) Remove the oil filler cap.
(b) 2JZ±GE:
Using a 5 mm hexagon wrench, remove the 6 bolts and belt
cover.
(c) 2JZ±GTE:
Using a 5 mm hexagon wrench, remove the 10 bolts and belt
cover.
5. REMOVE NO.2 TIMING BELT COVER
Using a 5 mm hexagon wrench, remove the 3 bolts, belt cover
and gasket.
If you are unable to loosen the bolt on the right because the
PS pump pulley interferes with the hexagon wrench, first re-
move the pulley.
6. REMOVE DRIVE BELT TENSIONER
Remove the 3 bolts and tensioner. EG±24
± ENGINEENGINE MECHANICAL

(c) 2JZ±GTE:
Install the timing belt plate with the bolt.
Torque: 7.8 NVm (80 kgfVcm, 69 in.Vlbf)
2. INSTALL IDLER PULLEY
(a) Apply adhesive to 2 or 3 threads of the pivot bolt.
Adhesive:
Part No. 08833±00080, THREE BOND 1344, LOCTITE
242 or equivalent
(b) Using a 10 mm hexagon wrench, install the plate washer and
pulley with the pivot bolt.
Torque: 34 NVm (350 kgfVcm, 25 ftVlbf)
(c) Check that the pulley bracket moves smoothly.
3. TEMPORARILY INSTALL TIMING BELT
NOTICE: The engine should be cold.
(a) Using the crankshaft pulley bolt, turn the crankshaft, and
align the timing marks on the crankshaft timing pulley and on
the oil pump body.
(b) Remove any oil or water on the crankshaft timing pulley and
idler pulley, and keep them clean.
(c) Install the timing belt on the crankshaft timing pulley and idler
pulley.
HINT (When re±using timing belt): Align the match marks of
the crankshaft timing pulley and timing belt, and install the
belt with the arrow pointing in the direction of engine revolu-
tion.
4. INSTALL TIMING BELT GUIDE
Install the guide, facing the cup side outward.
5. INSTALL NO.1 TIMING BELT COVER EG±30
± ENGINEENGINE MECHANICAL

(c) Remove the 1.5 mm hexagon wrench from the tensioner.
14. CHECK VALVE TIMING
(a) Slowly turn the crankshaft pulley 2 revolutions from TDC to
TDC.
NOTICE: Always turn the crankshaft clockwise.
(b) Check that each pulley aligns with the timing marks as shown
in the illustration.
If the marks do not align, remove the timing belt and reinstall
it.
15. INSTALL DRIVE BELT TENSIONER
Install the tensioner with the 3 bolts.
Torque: 21 NVm (210 kgfVcm, 15 ftVlbf)
NOTICE: Be careful not to drop the bolts inside the timing belt
cover.
16. INSTALL NO.2 TIMING BELT COVER
17. INSTALL NO.3 TIMING BELT COVER
18. INSTALL WATER PUMP PULLEY, FAN, FLUID COUPLING
ASSEMBLY AND DRIVE BELT
(See step 10 in water pump installation in Cooling Sys-
tem)
19. 2JZ±GTE M/T:
INSTALL DRIVE BELT TENSIONER DAMPER
Torque: 20 NVm (200 kgfVcm, 14 ftVlbf)
20. INSTALL RADIATOR ASSEMBLY
(See radiator installation in Cooling System)
21. ROAD TEST VEHICLE
Check for abnormal noise, shock, slippage, correct shift
points and smooth operation.
± ENGINEENGINE MECHANICALEG±33

12. REMOVE AIR INTAKE CHAMBER STAYS
(a) Remove the bolt, nut and No.1 stay.
(b) Remove the bolt, nut and No.2 stay.
13. REMOVE NO.2 VACUUM PIPE AND VSV ASSEMBLY
14. REMOVE NO.3 TIMING BELT COVER
(a) Remove the oil filler cap.
(b) Using a 5 mm hexagon wrench, remove the 6 bolts and timing
belt cover.
15. REMOVE CYLINDER HEAD REAR COVER
Using a 5 mm hexagon wrench, remove the 4 bolts and cylin-
der head rear cover.
16. D I S C O N N E C T H I G H ± T E N S I O N C O R D S F R O M
CYLINDER HEAD COVERS
(See step 4 in high±tension cords and cord clamps re-
moval in Ignition System)
17. REMOVE DISTRIBUTOR AND CORDS ASSEMBLY
(See steps 1 to 3 in distributor removal in Ignition Sys-
tem)
18. REMOVE SPARK PLUGS
19. RE MO V E TIMING BE LT FRO M CAMS HAFT TIMING
PULLEYS
(See steps 5 to 8 in timing belt removal)
NOTICE:
wSupport the timing belt, so that the meshing of the crank-
shaft timing pulley and timing belt does not shift.
wBe careful not to drop anything inside the timing belt cov-
er.
wDo not allow the timing belt to come into contact with oil,
water or dust.
20. REMOVE WATER BYPASS OUTLET AND NO.1 WATER
BYPASS PIPE
(See step 13 in water pump removal in Cooling System)
21. DISCONNECT FUEL RETURN HOSE
(a) Disconnect the fuel return hose from the fuel return pipe. Plug
the hose end.
(b) Disconnect the fuel return hose from the oil dipstick guide.
22. REMOVE ENGINE WIRE BRACET
Remove the bolt and bracket, disconnect the engine wire the
intake manifold stay. EG±42
± ENGINEENGINE MECHANICAL

23. REMOVE OIL DIPSTICK GUIDES FOR ENGINE AND
TRANSMISSION
(a) Remove the 2 bolts.
(b) Pull out the dipstick guide together with the dipstick.
(c) Remove the O±ring from the dipstick guide.
24. REMOVE STARTER
(See starter removal in Starting System)
25. REMOVE AIR INTAKE CHAMBER
(a) Except California:
Disconnect the vacuum sensing hose from the fuel pressure
regulator.
(b) Remove the bolt holding the engine wire protector to the the
air intake chamber.
(c) Remove the 5 bolts, nut, air intake chamber and gasket.
26. REMOVE VACUUM CONTROL VALVE SET
(a) Disconnect the VSV connector.
(b) Remove the 2 nuts and vacuum control valve set.
27. DISCONNECT ENGINE WIRE
(a) Remove the bolt, and disconnect the engine wire bracket
from the water pump.
(b) Remove the 2 bolts, and disconnect the 2 ground straps from
the intake manifold.
(c) Remove the 2 bolts, and disconnect the 2 wire clamps from
the intake manifold.
(d) Disconnect these connectors:
w6 injector connectors
wECT sensor connector
wECT sender gauge connector
± ENGINEENGINE MECHANICALEG±43

4. REMOVE DRIVE BELT
Loosen the drive belt tension by turning the drive belt tension-
er clockwise, and remove the drive belt.
5. REMOVE WATER OUTLET AND NO.1 WATER BYPASS
PIPE
(a) Disconnect the upper radiator hose from the water outlet.
(b) Disconnect the ECT sensor and sender gauge connectors.
(c) Remove the 2 bolts, water outlet and gasket.
(d) Remove the No.1 water bypass pipe and 2 O±rings.
6. DISCONNECT PS PUMP WITHOUT DISCONNECTING
HOSES
(a) Disconnect these hoses:
(1) Air hose from throttle body
(2) Air hose from air intake chamber
(b) Remove the 2 bolts, and disconnect the pump housing from
the pump bracket.
HINT: Put aside the pump housing, and suspend it securely.
7. DISCONNECT FUEL RETURN HOSE
Disconnect the fuel return hose from the fuel return pipe. Plug
the hose end.
8. REMOVE AIR INTAKE CHAMBER ASSEMBLY
(See injector removal in SFI System)
± ENGINEENGINE MECHANICALEG±47

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