1997 TOYOTA SUPRA engine

EM0AO-02
P02447
P04467
P12207Knock Sensor
Union for Oil Cooler HoseOil Pressure
Switch
SST
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
EM-71
1176 Author
: Date
:
1997 SUPRA (RM502U)
DISASSEMBLY
1. M/T:
REMOVE FLYWHEEL
2. A/T:
REMOVE DRIVE PLATE
3. INSTALL ENGINE TO ENGINE STAND FOR
DISASSEMBLY
4. REMOVE GENERATOR
5. REMOVE TIMING BELT AND PULLEYS
(See page EM-15)
6. REMOVE CYLINDER HEAD (See page EM-29)
7. REMOVE OIL COOLER (See page LU-20)
8. REMOVE NO.2 WATER BYPASS PIPE WITH HOSE
Remove the 2 bolts, 2 nuts, water bypass pipe and gasket.
9. REMOVE KNOCK SENSORS
Using SST, remove the switch and sensors.
SST 09816-30010
10. REMOVE OIL FILTER BRACKET
Remove the union bolt, gasket, oil filter bracket and O-ring.
11. REMOVE LH ENGINE MOUNTING BRACKET AND IN-
SULATOR ASSEMBLY
12. REMOVE FUEL PIPE SUPPORT
13. REMOVE OIL PRESSURE SWITCH AND KNOCK SEN-
SORS
(a) Using SST, remove the switch and sensors.
SST 09816-30010
(b) Remove the union nut and gasket.
14. REMOVE UNION FOR OIL COOLER HOSE
15. REMOVE ENGINE COOLANT DRAIN PLUG
16. REMOVE RH ENGINE MOUNTING BRACKET AND IN-
SULATOR ASSEMBLY
17. REMOVE CRANKSHAFT POSITION SENSOR
18. REMOVE WATER PUMP (See page CO-7)
19. REMOVE OIL PUMP (See page LU-9)
20. REMOVE REAR OIL SEAL RETAINER
(a) Remove the 6 bolts.
(b) Remove the oil seal retainer by prying the area between
the oil seal retainer and main bearing cap with a screw-
driver.
21. CHECK CONNECTING ROD THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while mov-
ing the connecting rods back and forth.
Standard thrust clearance:
0.250 - 0.402 mm (0.0098 - 0.0158 in.)
Maximum thrust clearance:
0.50 mm (0.0197 in.)
If the thrust clearance is greater than maximum, replace the
connecting rod assembly(s). If necessary, replace the crank-
shaft.

P02436
P04469
P04599
Plastigage
P02426
EM-72
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
1177 Author
: Date
:
1997 SUPRA (RM502U)
Connecting rod thickness:
25.898 - 25.950 mm (1.0196 - 1.0217 in.)
22. REMOVE CONNECTING ROD CAPS AND CHECK
OIL CLEARANCE
(a) Check the matchmarks on the connecting rod and cap to
ensure correct reassembly.
(b) Remove the connecting rod cap bolts.
(c) Using the 2 removed connecting rod bolts, remove the
connecting rod cap and lower bearing by wiggling the
connecting rod cap right and left.
HINT:
Keep the lower bearing inserted with the connecting rod cap.
(d) Clean the crank pin and bearings.
(e) Check the crank pin and bearing for pitting and scratches.
If the crank pin or bearing is damaged, replace the bearings. If
necessary, replace the crankshaft.
(f) Lay a strip of Plastigage across the crank pin.
(g) Install the connecting rod cap with the 2 bolts.
(See page EM-88)
1st 29 N´m (300 kgf´cm, 22 ft´lbf)
2nd Turn extra 90°
NOTICE:
Do not turn the crankshaft.
(h) Remove the 2 bolts, connecting rod cap and lower bear-
ing. (See procedure step (b) and (c))

P04470
Z02391
1, 2, 3, 4 or 5Mark
1, 2, or 3 Mark
0, 1 or 2 Mark
No. 1
No. 2
No. 3No. 4No. 6
No. 5
Connecting rod cap
Crankshaft
Use bearingNumber mark
Connecting rod cap º3º +Crankshaft º1º EXAMPLE:
= Total number 4 (Use bearing º4º)0123
12312
01 2
4 2301 2
4 35
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
EM-73
1178 Author
: Date
:
1997 SUPRA (RM502U)
(i) Measure the Plastigage at its widest point.
Standard oil clearance:
STD 0.023 - 0.041 mm (0.0009 - 0.0016 in.)
U/S 0.25 0.028 - 0.066 mm (0.0011 - 0.0026 in.)
Maximum oil clearance.
STD 0.07 mm (0.0027 in.)
U/S 0.25 0.08 mm (0.0031 in.)
If the oil clearance is greater than maximum, replace the bear-
ings. If necessary, grind or replace the crankshaft.
HINT:
If using a standard bearing, replace with one having the same
number. If the number of the bearing cannot be determined, se-
lect the correct bearing by adding together the numbers im-
printed on the connecting rod cap and crankshaft, then select-
ing the bearing with the same number as the total. There are 5
sizes of standard bearings, marked º1º, º2º, º3º, º4º and º5º ac-
cordingly.
Reference:
Connecting rod big end inside diameter:
Mark º1º55.025 - 55.031 mm (2.1663 - 2.1666 in.)
Mark º2º55.031 - 55.037 mm (2.1666 - 2.1668 in.)
Mark º3º55.037 - 55.043 mm (2.1668 - 2.1670 in.)
Crankshaft crank pin diameter:
Mark º0º51.994 - 52.000 mm (2.0470 - 2.0472 in.)
Mark º1º51.988 - 51.994 mm (2.0468 - 2.0470 in.)
Mark º2º51.982 - 51.988 mm (2.0465 - 2.0468 in.)
Bearing center wall thickness:
Mark º1º1.498 - 1.501 mm (0.0590 - 0.0591 in.)
Mark º2º1.501 - 1.504 mm (0.0591 - 0.0592 in.)
Mark º3º1.504 - 1.507 mm (0.0592 - 0.0593 in.)
Mark º4º1.507 - 1.510 mm (0.0593 - 0.0594 in.)
Mark º5º1.510 - 1.513 mm (0.0594 - 0.0596 in.)
(j) Completely remove the Plastigage.

P02288
P04472
Z07401
10
11 12
13 14
5 6
7 8
1 2
3 4
9
P04471
P04792
Plastigage EM-74
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
1179 Author
: Date
:
1997 SUPRA (RM502U)
23. REMOVE PISTON AND CONNECTING ROD
ASSEMBLIES
(a) Using a ridge reamer, remove all the carbon from the top
of the cylinder.
(b) Push the piston, connecting rod assembly and upper
bearing through the top of the cylinder block.
HINT:

Keep the bearings, connecting rod and cap together.

Arrange the piston and connecting rod assemblies in cor-
rect order.
24. CHECK CRANKSHAFT THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while prying
the crankshaft back and forth with a screwdriver.
Standard thrust clearance:
0.020 - 0.220 mm (0.0008 - 0.0087 in.)
Maximum thrust clearance:
0.30 mm (0.0118 in.)
If the thrust clearance is greater than maximum, replace the
thrust washers as a set.
Thrust washer thickness:
1.940 - 1.990 mm (0.0764 - 0.0783 in.)
25. REMOVE MAIN BEARING CAPS AND CHECK OIL
CLEARANCE
(a) Uniformly loosen and remove the 14 main bearing cap
bolts, in several passes, in the sequence shown.
(b) Using the removed main bearing cap bolts, pry the main
bearing cap back and forth, and remove the main bearing
caps, lower bearings and lower thrust washers (No.4
main bearing cap only).
HINT:

Keep the lower bearing and main bearing cap together.

Arrange the main bearing caps and lower thrust washers
in correct order.
(c) Lift out the crankshaft.
HINT:
Keep the upper bearing and upper thrust washers together with
the cylinder block.
(d) Clean each main journal and bearing.
(e) Check each main journal and bearing for pitting and
scratches.
If the journal or bearing is damaged, replace the bearings. If
necessary, grind or replace the crankshaft.
(f) Place the crankshaft on the cylinder block.
(g) Lay a strip of Plastigage across each journal.

P02284
10 11
1213
14 5
6 7
81
2 3
49
P04468
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
EM-75
1180 Author
: Date
:
1997 SUPRA (RM502U)
(h) Install the main bearing caps.(See page EM-88)
Torque:
1st
44 N´m (450 kgf´cm, 33 ft´lbf)
2nd
Turn extra 90°
NOTICE:
Do not turn the crankshaft.
(i) Remove the main bearing caps.
(See procedure step (a) and (b))
(j) Measure the Plastigage at its widest point.
Standard clearance:
STD
0.026 - 0.040 mm (0.0010 - 0.0016 in.)
U/S 0.25
0.025 - 0.061 mm (0.0010 - 0.0024 in.)
Maximum clearance:
STD
0.06 mm (0.0024 in.)
U/S
0.25: 0.08 mm (0.0031 in.)

Z02701
1, 2, 3, 4 or 5Mark 0, 1, 2, 3, 4 Mark
No. 1
No. 2
No. 3
No. 4No. 6
No. 5No. 7
No. 1
No. 2
No. 3
No. 4No. 6
No. 5No. 7 5, 6 or 7
0, 1, 2, 3, 4 Mark
5, 6 or 7 (A)
(B)Cylinder block (A)
Cankshaft (B) =+
Use bearingTotal number º º:Number mark
0 - 2
3 - 56 - 8 9 - 11 12 - 14Cylinder block º3º (A) + Crankshaft º4º(B)
= Total number 7 (Use bearing º3º) EXAMPLE:º1º º2º º3º º4º º5º
Cylinder block number mark Crankshaft
number mark
0123
456
7
11 12223 3
11 22233 3
12 22333 4
222333 44
53334455
33 34455 5
33 44555 5
0
1
2
3
4
2
22 33 3 44 4
6
7
Cylinder block º3º Crankshaft º4º
= Use bearing º3º EXAMPLE: EM-76
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
1181 Author
: Date
:
1997 SUPRA (RM502U)
If the oil clearance is greater than maximum, replace the bear-
ings. If necessary, grind or replace the crankshaft.
HINT:
If using a standard bearing, replace with one having the same
number. If the number of the bearing cannot be determined, se-
lect the correct bearing by adding together the numbers im-
printed on the cylinder block and crankshaft, then refer to the
table below for the appropriate bearing number. There are 5
sizes of standard bearings, marked º1º, º2º, º3º, º4º and º5º ac-
cordingly.
Standard sized bearing selection chart

P02292
Z16762
5mm
Hexagon
Wrench
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
EM-77
1182 Author
: Date
:
1997 SUPRA (RM502U)
Reference:
Cylinder block main journal bore diameter (A):
Mark º0º66.020 - 66.022 mm (2.59922 - 2.59929 in.)
Mark º1º66.022 - 66.024 mm (2.59929 - 2.59936 in.)
Mark º2º66.024 - 66.026 mm (2.59936 - 2.59944 in.)
Mark º3º66.026 - 66.028 mm (2.59944 - 2.59952 in.)
Mark º4º66.028 - 66.030 mm (2.59952 - 2.59960 in.)
Mark º5º66.030 - 66.032 mm (2.59960 - 2.59968 in.)
Mark º6º66.032 - 66.034 mm (2.59968 - 2.59976 in.)
Mark º7º66.034 - 66.036 mm (2.59976 - 2.59984 in.)
Crankshaft main journal diameter (B):
Mark º0º61.998 - 62.000 mm (2.44086 - 2.44094 in.)
Mark º1º61.996 - 61.998 mm (2.44078 - 2.44086 in.)
Mark º2º61.994 - 61.996 mm (2.44070 - 2.44078 in.)
Mark º3º61.992 - 61.994 mm (2.44063 - 2.44070 in.)
Mark º4º61.990 - 61.992 mm (2.44055 - 2.44063 in.)
Mark º5º61.988 - 61.990 mm (2.44047 - 2.44055 in.)
Mark º6º61.986 - 61.988 mm (2.44039 - 2.44047 in.)
Mark º7º61.984 - 61.986 mm (2.44031 - 2.44039 in.)
Bearing center wall thickness:
Mark º1º1.994 - 1.997 mm (0.0785 - 0.0786 in.)
Mark º2º1.997 - 2.000 mm (0.0786 - 0.0787 in.)
Mark º3º2.000 - 2.003 mm (0.0787 - 0.0789 in.)
Mark º4º2.003 - 2.006 mm (0.0789 - 0.0790 in.)
Mark º5º2.006 - 2.009 mm (0.0790 - 0.0791 in.)
(k) Completely remove the Plastigage.
26. REMOVE CRANKSHAFT
(a) Lift out the crankshaft
(b) Remove the upper bearings and upper thrust washers
from the cylinder block.
HINT:
Arrange the main bearing caps, bearings and thrust washers in
the correct order.
27. REMOVE OIL NOZZLES (WITH RELIEF VALVES)
Using a 5 mm hexagon wrench, remove the bolt and oil nozzle.
Remove the 6 oil nozzles.

P02123
P02108
P02069
P02278
EM-78
- ENGINE MECHANICAL (2JZ-GTE)CYLINDER BLOCK
1183 Author
: Date
:
1997 SUPRA (RM502U)
28. CHECK FIT BETWEEN PISTON AND PISTON PIN
Try to move the piston back and forth on the piston pin.
If any movement is felt, replace the piston and pin as a set.
29. REMOVE PISTON RINGS
(a) Using a piston ring expander, remove the 2 compression
rings.
(b) Remove the 2 side rails and oil ring expander by hand.
HINT:
Arrange the piston rings in correct order only.
30. DISCONNECT CONNECTING ROD FROM PISTON
(a) Using a small screwdriver, remove the 2 snap rings.
(b) Gradually heat the piston to about 80°C (176°F).
(c) Using a plastic-faced hammer and brass bar, lightly tap
out the piston pin and remove the connecting rod.
HINT:

The piston and pin are a matched set.

Arrange the pistons, pins, rings, connecting rods and
bearings in the correct order.