TOYOTA SUPRA 1986 Service Repair Manual

3. INSTALL UPPER THRUST WASHERS
Install the 2 thrust washers under the No.4 main journal posi-
tion of the cylinder block with the oil grooves facing outward.
4. PLACE CRANKSHAFT ON CYLINDER BLOCK
5. INSTALL MAIN BEARING CAP AND LOWER THRUST
WASHERS
A. Place main bearing cap and lower thrust washers on cyl-
inder block
(a) Install the lower thrust washers on the No.4 main bearing with
the grooves facing outward.
(b) Install the main bearing caps in numerical order with the
arrows facing forward.
B. Install main bearing cap bolts
HINT:
wThe main bearing cap bolts are tightened in 2
progressive steps (steps (b) and (d)).
wIf any of the main bearing bolts break or deform, replace
them.
(a) Apply a light coat of engine oil on the threads and under the
heads of the main bearing cap bolts.
(b) Install and uniformly tighten the 14 main bearing cap bolts,
in several passes, in the sequence shown.
Torque: 44 NVm (450 kgfVcm, 33 ftVlbf)
If any one of the main bearing cap bolts does not meet the
torque specification, replace the main bearing cap bolt. EG±118
± ENGINEENGINE MECHANICAL

(c) Mark the front of the main bearing cap bolt head with paint.
(d) Retighten the main bearing cap bolts 90° in the numerical
order shown above.
(e) Check that the painted mark is now at a 90° angle to the front.
(f) Check that the crankshaft turns smoothly.
6. CHECK CRANKSHAFT THRUST CLEARANCE
(See step 5 in cylinder block disassembly)
7. INSTALL PISTON AND CONNECTING ROD ASSEMBLIES
Using a piston ring compressor, push the correctly numbered
piston and connecting rod assemblies into each cylinder with
the front mark of the piston facing forward.
8. INSTALL CONNECTING ROD CAPS
A. Place connecting rod cap on connecting rod
(a) Match the numbered connecting rod cap with the connecting
rod.
(b) Install the connecting rod cap with by aligning the dowel pin
to the corrosponding hole.
B. Install connecting rod cap bolts
HINT:
wThe connecting rod cap bolts are tightened in 2
progressive steps (steps (b) and (d)).
wIf any of the connecting rod bolts break or deform,
replace them.
(a) Apply a light coat of engine oil on the threads and under the
heads of the connecting rod cap bolts.
(b) A t first, in sta ll an d alte rn a te ly tig h te n th e bo lts of th e
connecting rod cap in several passes.
Torque: 29 NVm (300 kgfVcm, 22 ftVlbf)
If any one of the connecting rod cap bolts does not meet the
torque specification, replace the cap bolt.
± ENGINEENGINE MECHANICALEG±119

(c) Mark the front of the connecting rod cap bolt with paint.
(d) Retighten the connecting rod cap bolts 90° in the numerical
order shown.
(e) Check that the painted mark is now at a 90° angle to the front.
(f) Check that the crankshaft turns smoothly.
9. CHECK CONNECTING ROD THRUST CLEARANCE
(See step 2 in cylinder block disassembly)
10. INSTALL REAR OIL SEAL RETAINER
(a) Remove any old packing (FIPG) material and be careful not
to drop any oil on the contact surfaces of the retainer and
cylinder block.
wUsing a razor blade and gasket scraper, remove all the
old packing (FIPG) material from the gasket surfaces
and sealing groove.
wThoroughly clean all components to remove all debris.
wUsing a non±residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the retainer as shown in the illustration.
Seal packing:
Part No. 08826±00080 or equivalent
wInstall a nozzle that has been cut to a 2±3 mm
(0.08±0.12 in.) opening.
wParts must be assembled within 3 minutes of
application. Otherwise the material must be removed
and reapplied.
wImmediately remove nozzle from the tube and reinstall
cap.
(c) Install the retainer with the 6 bolts.
Torque: 5.9 NVm (60 kgfVcm, 52 in.Vlbf)
EG±120± ENGINEENGINE MECHANICAL

AFTER ASSEMBLY
1. INSTALL OIL PUMP
(See oil pump installation in Lubrication System)
2. INSTALL WATER PUMP
(See water pump installation in Cooling System)
3. 2JZ±GTE:
INSTALL CRANKSHAFT POSITION SENSOR
Torque: 8.8 NVm (90 kgfVcm, 78 in.Vlbf)
4. INSTALL RH ENGINE MOUNTING BRACKET AND
INSULATOR ASSEMBLY
HINT: The RH mounting bracket is marked ºA u EXº.
Torque: 58 NVm (590 kgfVcm, 43 ftVlbf)
5. INSTALL ENGINE COOLANT DRAIN PLUG
Torque: 29 NVm (300 kgfVcm, 22 ftVlbf)
6. 2JZ±GTE:
INSTALL UNION FOR OIL COOLER HOSE
(a) Apply adhesive to 2 or 3 threads of the union.
Adhesive:
Part No. 08833±00070, THREE BOND 1324, or
equivalent
(b) Install the union.
Torque: 39 NVm (400 kgfVcm, 29 ftVlbf)
7. INSTALL KNOCK SENSORS AND OIL PRESSURE
SWITCH
(a) Apply adhesive to 2 or 3 threads of the oil pressure switch.
Adhesive:
Part No. 08833±00080, THREE BOND 1344, LOCTITE
242 or equivalent
(b) Using SST, install the 2 knock sensors and oil pressure
switch.
SST 09816±30010
Torque:
Knock sensor
44 NVm (450 kgfVcm, 33 ftVlbf)
Oil pressure switch
14 NVm (150 kgfVcm, 11 ftVlbf)
± ENGINEENGINE MECHANICALEG±121

8. INSTALL FUEL PIPE SUPPORT
Torque: 14 NVm (145 kgfVcm, 10 ftVlbf)
9. INSTALL LH ENGINE MOUNTING BRACKET AND
INSULATOR ASSEMBLY
HINT: LH mounting bracket is marked ºA u INº.
Torque: 58 NVm (590 kgfVcm, 43 ftVlbf)
10. INSTALL OIL FILTER BRACKET
(a) Check and clean the oil filter bracket installation.
(b) Place a new O±ring in position on the oil filter bracket.
(c) Apply clean engine oil to the O±ring.
(d) Install a new gasket to the union bolt.
(e) Install the oil filter braket with the union bolt.
Torque: 88 NVm (900 kgfVcm, 65 ftVlbf)
11. INSTALL NO.2 WATER BYPASS PIPE
(a) Install a new gasket to the water pump.
(b) 2JZ±GE:
Install the water bypass pipe with the bolt and 2 nuts.
Torque: 21 NVm (210 kgfVcm, 15 ftVlbf)
(c) 2JZ±GTE:
Install the water bypass pipe with the 2 bolts and 2 nuts.
Torque: 21 NVm (210 kgfVcm, 15 ftVlbf)
12. 2JZ±GTE:
INSTALL OIL COOLER
(See oil cooler installation in Lubrication System)
13. INSTALL OIL FILTER
(See oil and filter replacement in Lubrication System)
14. INSTALL CYLINDER HEAD
(See cylinder head installation)
15. INSTALL TIMING PULLEYS AND BELT
(See timing belt installation)
16. INSTALL GENERATOR
(See generator installation in Charging System)
17. REMOVE ENGINE STAND FROM ENGINE
18. M/T:
INSTALL FLYWHEEL
HINT: The flywheel bolts are tightened in 2 progressive step,
(b) and (d).
(a) Install the flywheel on the crankshaft.
(b) Install and uniformly tighten the 8 bolts, in several passes, in
the sequence shown.
Torque: 49 NVm (500 kgfVcm, 36 ftVlbf)
EG±122± ENGINEENGINE MECHANICAL

(c) Mark the flywheel bolt with paint.
(d) Retighten the flywheel bolts by an additional 90°.
(e) Check that the painted mark is now at a 90° angle to (d).
19. A/T:
INSTALL DRIVE PLATE
(a) Install the front spacer, drive plate and rear plate on the
crankshaft.
Adhesive:
Part No. 08833±00070, THREE BOND 1324 or equivalent
(b) Apply adhesive to 2 or 3 threads of the mounting bolt end.
(c) Install and uniformly tighten the 8 bolts, in several passes, in
the sequence shown.
Torque: 83 NVm (850 kgfVcm, 61 ftVlbf)
± ENGINEENGINE MECHANICALEG±123

ENGINE & TRANSMISSION ASSEMBLY
1. A/T:
CHECK TORQUE CONVERTER CLUTCH INSTALLATION
Using calipers and straight edge, measure from the installed
surface of the torque converter clutch to the front surface of
the transmission.
Correct distance:
Less than 0.1 mm (0.004 in.)
If the distance is not as specified, check for an improper
installation.
2. 2JZ±GE M/T:
INSTALL CLUTCH DISC AND COVER
(a) Insert SST in the clutch disc, and then set them and the cover
in position.
SST 09301±00110
(b) Align the matchmarks on the clutch cover and flywheel.
(c) Tighten the bolts evenly and gradually while pushing SST.
Make several passes around the cover until it is snug.
SST 09301±00110
(d) Torque the bolts on the clutch cover in the order shown.
Torque: 19 NVm (195 kgfVcm, 14 ftVlbf)
3. ASSEMBLE ENGINE AND TRANSMISSION
(a) M/T:
Align the input spline with the clutch disc and install the trans-
mission to the engine.
(b) Align the 2 knock pins on the cylinder block with the pin holes
of the clutch housing.
(c) Install the transmission with the 6 bolts.
Torque:
14 mm head
39 NVm (400 kgfVcm, 29 ftVlbf)
17 mm head
72 NVm (730 kgfVcm, 43 ftVlbf)
EG±124± ENGINEENGINE MECHANICAL

4. 2JZ±GTE M/T:
INSTALL CLUTCH COVER SET BOLTS
(a) Align the matchmarks.
(b) Install the 6 bolts while turning the crankshaft to gain access.
Tighten the bolts evenly.
Torque: 19 NVm (195 kgfVcm, 14 ftVlbf)
(c) Install the service hole cover with the 2 bolts.
Torque: 12 NVm (120 kgfVcm, 9 ftVlbf)
5. A/T:
INSTALL TORQUE CONVERTER CLUTCH MOUNTING
BOLTS
(a) First, install the gray bolt. Then install 5 black bolts while
turning the crankshaft to gain access. Tighten the bolts
evenly.
Torque: 33 NVm (340 kgfVcm, 25 ftVlbf)
(b) Install the hole plug.
6. 2JZ±GE A/T:
CONNECT THROTTLE CABLE
7. A/T:
INSTALL OIL COOLER TUBES FOR TRANSMISSION
(a) Temporarily install the 2 oil cooler tubes, 2 hose clamps and
tube clamp with 3 clamp bolts.
(b) Connect the 2 oil cooler tubes to the unions on the
transmission. Tighten the union nuts.
Torque: 34 NVm (350 kgfVcm, 25 ftVlbf)
(c) Tighten the 3 clamp bolts.
8. INSTALL STARTER
9. CONNECT ENGINE WIRE TO TRANSMISSION
10. A/T:
INSTALL OIL DIPSTICK GUIDE AND DIPSTICK FOR
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 dipstick tube of the oil
pan.
(d) Install the dipstick guide with the bolt.
(e) Install the dipstick.
± ENGINEENGINE MECHANICALEG±125

ENGINE INSTALLATION (2JZ±GE)
1. INSTALL ENGINE AND TRANSMISSION ASSEMBLY IN
VEHICLE
(a) Attach the engine hoist chain to the engine hangers.
(b) Lower the engine and transmission assembly into the engine
compartment.
NOTICE: Install the engine and transmission assembly care-
fully without damaging the shift lever retainer (M/ T), A/C com-
pressor and PS solenoid valve.
(c) Insert the stud bolts of the front engine mounting insulators
into the stud bolt holes of the front suspension crossmember.
(d) Temporarily install the 2 nuts holding the engine front
mounting insulators to the front suspension crossmember.
(e) Keep the engine level with a jack.
(f) Remove the hoist chain.
(g) Temporarily install the support member to the engine rear
mounting insulator with the 4 nuts.
(h) Install the 4 bolts holding the support member to the body.
Torque: 25 NVm (260 kgfVcm, 19 ftVlbf)
(i) Tighten the 4 nuts holding the support member to the engine
rear mounting insulator.
Torque: 13 NVm (135 kgfVcm, 10 ftVlbf)
(j) Tig h t e n th e 2 nu t s ho ld in g th e en g in e fro n t mounting
insulators to the front suspension crossmember.
Torque: 59 NVm (600 kgfVcm, 43 ftVlbf)
2. M/T:
INSTALL TRANSMISSION SHIFT LEVER
Torque: 19 NVm (195 kgfVcm, 14 ftVlbf)
3. INSTALL PROPELLER SHAFT
(See propeller shaft installation in Propeller Shaft)
4. A/T:
CONNECT TRANSMISSION CONTROL ROD
(a) Shift the shift lever to N position.
(b) Fully turn the control shaft lever back and return 2 notches.
It is now in neutral position.
(c) Connect the control rod to the shift lever with the nut.
Torque: 13 NVm (130 kgfVcm, 9 ftVlbf)
EG±126± ENGINEENGINE MECHANICAL

5. INSTALL EXHAUST PIPE HEAT INSULATOR
6. INSTALL NO.2 FRONT EXHAUST PIPE
(a) Install 2 new gaskets and the No.2 front exhaust pipe to the
exhaust manifold with 4 new nuts.
Torque: 62 NVm (630 kgfVcm, 46 ftVlbf)
(b) Install the pipe support bracket with the 2 bolts.
Torque: 43 NVm (440 kgfVcm, 32 ftVlbf)
(c) Install a new gasket and the No.2 front exhaust pipe to the
front exhaust pipe with the 2 bolts and 2 new nuts.
Torque: 58 NVm (590 kgfVcm, 43 ftVlbf)
7. M/T:
INSTALL CLUTCH RELEASE CYLINDER AND GROUND
STRAP
(a) Install the clutch release cylinder with the 2 bolts.
Torque: 13 NVm (130 kgfVcm, 9 ftVlbf)
(b) Install the ground strap with the bolt.
Torque: 37 NVm (380 kgfVcm, 27 ftVlbf)
8. M/T:
INSTALL UPPER CONSOLE PANEL, SHIFT LEVER
BOOTS AND HOLDING BOLTS
9. CONNECT ENGINE WIRE TO CABIN
(a) Push in the engine wire through the cowl panel.
NOTICE: Be careful not to damage the engine wire.
(b) Connect the connector to the connector cassette.
(c) Connect the connector to the instrament panel wire
connector.
(d) Connect the 2 connectors to the ECM.
(e) Insert the ECM bracket into the stay on the floor panel.
(f) Install the ECM with the nut.
(g) Install the ECM protector with the 2 nuts.
(h) Install the floor carpet.
(i) Install the scuff plate.
10. CONNECT ENGINE WIRE TO COWL PANEL
11. INSTALL A/C COMPRESSOR
(a) U s i n g a t o r x s o c k e t ( E 1 0 ) , i n s t a l l t h e s t u d b o l t a n d
compressor.
Torque: 26 NVm (265 kgfVcm, 19 ftVlbf)
(b) Connect the compressor connector.
(c) Temporarily install the compessor with the nut and 2 bolts.
(d) Alternately tighten the nut and 2 bolts.
Torque: 52 NVm (530 kgfVcm, 38 ftVlbf)
12. INSTALL PS PRESSURE TUBE
Install the pressure tube with the 2 clamp bolts.
± ENGINEENGINE MECHANICALEG±127