P12728
Plastigage
P12697
P12698
A10523
Number Mark
Number
Mark
EM-86
- ENGINE MECHANICALCYLINDER BLOCK
1070 Author: Date:
2001 AVALON (RM808U)
(f) Lay a strip of Plastigage across the crank pin.
(g) Install the connecting rod cap with the 2 bolts (See page
EM-101).
Torque:
1st: 24.5 N´m (250 kgf´cm, 18 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 steps (b) and (c)).
(i) Measure the Plastigage at its widest point.
Standard oil clearance:
0.038 - 0.064 mm (0.0015 - 0.0025 in.)
Maximum oil clearance: 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 replacing a bearing, replace it with one having the same num-
ber as marked on the connecting rod. There are 4 sizes of stan-
dard bearings, marked º1º, º2º, º3º and º4º accordingly.
Reference:
Standard bearing center wall thickness:
Markmm (in.)
º1º1.484 - 1.487 (0.0584 - 0.0585)
º2º1.487 - 1.490 (0.0585 - 0.0587)
º3º1.490 - 1.493 (0.0587 - 0.0588)
º4º1.493 - 1.496 (0.0588 - 0.0589)
(j) Completely remove the Plastigage.
S06200
Joint Surface
P12495
P12980
Plastigage
P12954
P12993
EM-88
- ENGINE MECHANICALCYLINDER BLOCK
1072 Author: Date:
2001 AVALON (RM808U)
NOTICE:
Pull up the main bearing cap little by little to the right and
the left by turns and pay attention not to damage the joint
surface of the cylinder block and the main bearing cap.
HINT:
Keep the lower bearing and main bearing cap together.
Arrange the main bearing caps and lower thrust washers
in correct order.
(d) Lift out the crankshaft.
HINT:
Keep the upper bearings together with the cylinder block.
(e) Clean each main journal and bearing.
(f) Check each main journal and bearing for pitting and
scratches.
If the journal or bearing is damaged, replace the bearings. If
necessary, replace the crankshaft.
(g) Place the crankshaft on the cylinder block.
(h) Lay a strip of Plastigage across each journal.
(i) Install the 4 main bearing caps. (See page EM-101)
Torque:
12 pointed head bolts:
1st: 22 N´m (225 kgf´cm, 16 ft´lbf)
2nd: Turn extra 90°
Hexagon head bolts:
27 N´m (275 kgf´cm, 20 ft´lbf)
NOTICE:
Do not turn the crankshaft.
(j) Remove the main bearing caps. (See steps (a) to (c) )
(k) Measure the Plastigage at its widest point.
Standard oil clearance:
No.1 and No.4 journals0.014 - 0.034 mm (0.0006 - 0.0013 in.)
No.2 and No.3 journals0.026 - 0.046 mm (0.0010 - 0.0018 in.)
Maximum clearance:
No.1 and No.4 journals0.05 mm (0.0020 in.)
No.2 and No.3 journals0.06 mm (0.0024 in.)
If the oil clearance is greater than maximum, replace the bear-
ings. If necessary, replace the crankshaft.
A10530
A09696
Less than 6 mm
A10529
P12753
10 11
12 13
14
151
162
3
45
6
7
89
P25741
Painted Mark
Front90°
90° EM-104
- ENGINE MECHANICALCYLINDER BLOCK
1088 Author: Date:
2001 AVALON (RM808U)
(b) Temporarily place the 4 main bearing caps level and let
them in their proper locations.
(c) Apply a light coat of engine oil on the threads and under
the main bearing cap bolts for the 12 pointed head.
(d) Temporarily install the 8 main bearing cap bolts to the in-
side positions.
(e) Insert the main bearing cap with your hand until the clear-
ance between the main bearing cap and the cylinder
block will become less than 6 mm (0.23 in.) by making the
2 internal main bearing cap bolts as a guide.
(f) Using a plastic-faced hammer, lightly tap the bearing cap
to ensure a proper fit.
8. INSTALL 12 POINTED HEAD MAIN BEARING CAP
BOLTS
HINT:
The main bearing cap bolts are tightened in 2 progressive
steps (steps (b) and (d)).
If any of the main bearing cap bolts is broken or deformed,
replace it.
(a) Apply a light coat of engine oil on the threads and under
the main bearing cap bolts.
(b) Install and uniformly tighten the 16 main bearing cap bolts
in several passes and in the sequence shown.
Torque: 22 N´m (225 kgf´cm, 16 ft´lbf)
If any of the main bearing cap bolts does not meet the torque
specification, replace the main bearing cap bolt.
(c) Mark the front of the main bearing cap bolts with paint.
(d) Retighten the main bearing cap bolts by 90° in the numer-
ical order shown.
(e) Check that the painted mark is now at a 90° angle to the
front.
P12586
1
2
34
567
8
A10528
Front Mark
(Cavity)
Front Mark
(Cavity)RH Piston
LH Piston
P12699
P12801
Front
Protrusion
- ENGINE MECHANICALCYLINDER BLOCK
EM-105
1089 Author: Date:
2001 AVALON (RM808U)
9. INSTALL HEXAGON HEAD MAIN BEARING CAP
BOLTS
(a) Install a new seal washer to the main bearing cap bolt.
(b) Install and uniformly tighten the 8 main bearing cap bolts
in several passes and in the sequence shown.
Torque: 27 N´m (275 kgf´cm, 20 ft´lbf)
10. CHECK CRANKSHAFT THRUST CLEARANCE
(See page EM-83)
11. INSTALL PISTON AND CONNECTING ROD AS-
SEMBLES
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.
HINT:
The shape of the piston varies for the RH and LH banks. The
RH piston is marked with ºRº, the LH piston with ºLº.
12. PLACE CONNECTING ROD CAP ON CONNECTING
ROD
(a) Match the numbered connecting rod cap with the con-
necting rod.
(b) Align the pin dowels of the connecting rod cap with the
pins of the connecting rod, and install the connecting rod.
(c) Check that the protrusion of the connecting rod cap is fac-
ing in the correct direction.
13. INSTALL CONNECTING ROD CAP BOLTS
HINT:
The connecting rod cap bolts are tightened in 2 progres-
sive steps (steps (b) and (d)).
If any of the connecting rod cap bolts is broken or de-
formed, replace it.
P12697
P25743
Painted Mark
Front90°
90°
P12911
Seal Width
2 - 3 mm A
BA
B EM-106
- ENGINE MECHANICALCYLINDER BLOCK
1090 Author: Date:
2001 AVALON (RM808U)
(a) Apply a light coat of engine oil on the threads and under
the heads of the connecting rod cap bolts.
(b) Install and alternately tighten the 2 connecting rod cap
bolts in several passes.
Torque: 24.5 N´m (250 kgf´cm, 18 ft´lbf)
If any of the connecting rod cap bolts does not meet the torque
specification, replace the connecting rod cap bolts.
(c) Mark the front of the connecting cap bolts with paint.
(d) Retighten the cap bolts by 90° as shown.
(e) Check that the painted mark is now at a 90° angle to the
front.
(f) Check that the crankshaft turns smoothly.
14. CHECK CONNECTING ROD THRUST CLEARANCE
(See page EM-83)
15. 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 oil seal
retainer and cylinder block.
Using a razor blade and gasket scraper, remove all
the oil packing (FIPG) material from the gasket sur-
faces and sealing grooves.
Thoroughly clean all components to remove all the
loose material.
Using a non-residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the oil seal retainer as shown in the
illustration.
Seal packing: Part No. 08826-00080 or equivalent
Install a nozzle that has been cut to a 2 - 3 mm (0.08
- 0.12 in.) opening.
Parts must be assembled within 3 minutes of ap-
plication. Otherwise the material must be removed
and reapplied.
Immediately remove nozzle from the tube and rein-
stall cap.
(c) Install the oil seal retainer with the 6 bolts. Uniformly tight-
en the bolt in several passes and in the sequence shown.
Torque: 8 N´m (80 kgf´cm, 69 in.´lbf)
16. INSTALL CYLINDER BLOCK SIDE COVER
Install a new gasket and the cylinder block side cover with the
3 bolts and 2 nuts.
Torque: 9 N´m (90 kgf´cm, 78 in.´lbf)
P12477
Seal Packing
Z09223
Seal Width
3 - 5 mmA
BA
B
- ENGINE MECHANICALCYLINDER BLOCK
EM-107
1091 Author: Date:
2001 AVALON (RM808U)
17. INSTALL ENGINE COOLANT DRAIN UNION
(a) Apply seal packing to 2 or 3 threads.
Seal packing: Part No. 08826-00100 or equivalent
(b) Install the drain union.
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
HINT:
After applying the specified torque, rotate the drain union clock-
wise until its drain port is facing downward.
18. INSTALL WATER SEAL PLATE
(a) Remove any old packing (FIPG) material and be careful
not to drop any oil on the contact surfaces of the seal plate
and cylinder block.
Using a razor blade and gasket scraper, remove all
the old packing (FIPG) material from the gasket sur-
faces and sealing groove.
Thoroughly clean all components to remove all the
loose material.
Using a non-residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the seal plate as shown in the il-
lustration.
Seal packing: Part No. 08826-00100 or equivalent
Install a nozzle that has been cut to a 3 - 5 mm (0.12
- 0.20 in.) opening.
Parts must be assembled within 3 minutes of ap-
plication. Otherwise the material must be removed
and reapplied.
Immediately remove nozzle from the tube and rein-
stall cap.
(c) Install the seal plate with the 2 nuts.
Torque: 18 N´m (180 kgf´cm, 13 ft´lbf)
19. INSTALL OIL FILTER UNION
Torque: 30 N´m (310 kgf´cm, 22 ft´lbf)
20. INSTALL OIL FILTER (See page LU-3)
21. INSTALL OIL PUMP (See page LU-15)
22. INSTALL NO.1 OIL PAN (See page LU-15)
23. INSTALL OIL STRAINER (See page LU-15)
24. INSTALL NO.2 OIL PAN (See page LU-15)
25. INSTALL WATER PUMP (See page CO-8)
26. INSTALL WATER INLET HOUSING
(a) Remove any old packing (FIPG) material and be careful
not to drop any oil on the contact surfaces of the water in-
let housing and cylinder block.
Using a razor blade and gasket scraper, remove all
the old packing (FIPG) material from the gasket sur-
faces and sealing grooves.
Thoroughly clean all components to remove all the
loose material.
P12909
Seal Width 3 - 5 mm
A05253410
2
5
7
93
1
6
8
P12389
SST EM-108
- ENGINE MECHANICALCYLINDER BLOCK
1092 Author: Date:
2001 AVALON (RM808U)
Using a non-residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the water inlet housing as shown in
the illustration.
Seal packing: Part No. 08826-00100 or equivalent
Install a nozzle that has been cut to a 3 - 5 mm (0.12
- 0.20 in.) opening.
HINT:
Avoid applying an excessive amount to the surface.
Parts must be assembled within 3 minutes of ap-
plication. Otherwise the material must be removed
and reapplied.
Immediately remove nozzle from the tube and rein-
stall cap.
(c) Install the water inlet housing with the 8 bolts and 2 nuts.
Uniformly tighten the bolts and nuts in several passes and
in the sequence shown.
Torque: 8 N´m (80 kgf´cm, 69 in.´lbf)
(d) Connect the No.2 ECT switch connector.
(e) Connect the engine wire clamp to the water inlet.
(f) Install the engine wire band.
(g) Install the engine wire clamp.
27. INSTALL KNOCK SENSORS
(a) Using SST, install the 2 knock sensors.
SST 09816-30010
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
(b) Connect the 2 knock sensor connectors.
28. INSTALL NO.2 IDLER PULLEY BRACKET
Torque: 28 N´m (290 kgf´cm, 21 ft´lbf)
29. INSTALL A/C COMPRESSOR HOUSING BRACKET
Torque: 25 N´m (250 kgf´cm, 18 ft´lbf)
P00601
A05416
1
2 34 5
67
8
- ENGINE MECHANICALCYLINDER BLOCK
EM-109
1093 Author: Date:
2001 AVALON (RM808U)
30. INSTALL OIL PRESSURE SWITCH
(See page LU-1)
31. INSTALL GENERATOR, BRACKET AND ADJUSTING
BAR ASSEMBLY
Torque: 43 N´m (440 kgf´cm, 32 ft´lbf)
32. INSTALL ENGINE WIRE
33. CONNECT OIL LEVEL SENSOR CONNECTOR
34. CONNECT OIL PRESSURE SWITCH CONNECTOR
35. CONNECT CRANKSHAFT POSITION SWITCH CON-
NECTOR
36. INSTALL CYLINDER HEAD (See page EM-59)
37. INSTALL TIMING PULLEYS AND BELT
(See page EM-21)
38. REMOVE ENGINE STAND
39. INSTALL DRIVE PLATE
(a) Apply adhesive to 2 or 3 threads of the bolt end.
Adhesive: Part No. 08833-00070, THREE BOND 1324
or equivalent
(b) Install the front spacer, drive plate and rear plate on the
crankshaft.
(c) Install and uniformly tighten the 8 bolts in several passes
and in the sequence shown.
Torque: 83 N´m (850 kgf´cm, 61 ft´lbf)