check oil TOYOTA RAV4 2006 Service Owner's Guide

2AZ-FE ENGINE MECHANICAL – ENGINE UNITEM–127
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52. INSPECT BALANCE SHAFT OIL CLEARANCE
(a) Using several steps, uniformly loosen and remove
the 8 bolts in the sequence shown in the illustration.
(b) Remove the balance shaft housing from the
crankcase.
HINT:
Keep the lower bearing and balance shaft housing
together.
(c) Lift out the No. 1 and No. 2 balance shafts.
HINT:
Keep the upper bearing with the crankcase.
(d) Clean each bearing and journal.
(e) Check each bearing and journal for pitting and
scratches.
If a bearing or journal is damaged, replace the
bearings. If necessary, replace the balance shaft.
(f) Inspect the balance shaft housing bolt.
(1) Using a vernier caliper, measure the length of
the bolts from the seat to the end.
Standard bolt length:
58.3 to 59.7 mm (2.295 to 2.350 in.)
Maximum bolt length:
60.3 mm (2.374 in.)
If the bolt length is greater than the maximum,
replace the balance shaft bolt.
(g) Place the No. 1 and No. 2 balance shafts onto the
crankcase.
(h) Lay a strip of Plastigage across each journal.
(i) Install the balance shaft housing.
(j) Apply a light coat of engine oil on the threads and
under the heads of the bolts.
(k) Using several steps, uniformly install and tighten the
8 bolts in the sequence shown in the illustration.
Torque: 21.6 N*m (220 kgf*cm, 16 ft.*lbf)
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(l) Mark the front of the bolts with paint.
(m) Retighten the bolts 90
as shown in the illustration.
(n) Check that the paint mark is now at a 90
angle to
the front.
(o) Remove the balance shaft housing from the
crankcase.
(p) Measure the Plastigage at its widest point.
Standard oil clearance:
0.004 to 0.049 mm (0.0002 to 0.0019 in.)
Maximum oil clearance:
0.049 mm (0.0019 in.)
NOTICE:
Remove the Plastigage completely after the
measurement.
If the oil clearance is greater than the maximum,
replace the bearing. If necessary, replace the
balance shaft.
HINT:
If replacing a bearing, select a new one with the
same number.
Standard balance shaft housing journal bore
diameter
Standard balance shaft journal diameter:
22.985 to 23.000 mm (0.9049 to 0.9055 in.)
Standard bearing center wall thickness
53. REMOVE BALANCE SHAFT
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Item Specified Condition
Mark 1 26.000 to 26.006 mm (1.0236 to
1.0239 in.)
Mark 2 26.007 to 26.012 mm (1.0239 to
1.0214 in.)
Mark 3 26.013 to 26.018 mm (1.0241 to
1.0243 in.)
Item Specified Condition
Mark 1 1.486 to 1.489 mm (0.05850 to
0.05862 in.)
Mark 2 1.490 to 1.492 mm (0.05866 to
0.05874 in.)
Mark 3 1.493 to 1.495 mm (0.0585 to 0.0586
in.)
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2AZ-FE ENGINE MECHANICAL – ENGINE UNITEM–129
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54. REMOVE NO. 1 BALANCE SHAFT BEARING
55. REMOVE ENGINE REAR OIL SEAL
(a) Using a knife, cut off the lip of the oil seal.
(b) Using a screwdriver with its tip wrapped with tape,
pry out the oil seal.
NOTICE:
After removing, check the crankshaft for
damage. If damaged, smooth the surface with
400-grit sandpaper.
56. REMOVE STIFFENING CRANKCASE ASSEMBLY
(a) Using several steps, uniformly loosen and remove
the 11 bolts in the sequence shown in the
illustration.
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2AZ-FE ENGINE MECHANICAL – ENGINE UNITEM–131
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(a) Using marking paint, write the matched cylinder
number on each connecting rod and cap.
HINT:
The matchmarks in the connecting rods and caps
are for ensuring correct reassembly.
(b) Using a 12 mm socket wrench, remove the 2 bolts
and connecting rod cap.
(c) Clean the crank pin and bearing.
(d) Check the crank pin and bearing for pitting and
scratches.
(e) Lay a strip of Plastigage on the crank pin.
(f) Check that the front mark of the connecting rod cap
is facing in the correct direction.
(g) Apply a light coat of engine oil to the threads and
under the heads of the connecting rod bolts.
(h) Using a 12 mm socket wrench, tighten the bolts in
several passes to the specified torque.
Torque: 24.5 N*m (250 kgf*cm, 18 ft.*lbf)
(i) Mark the front of the connecting rod bolts with paint.
(j) Retighten the cap bolts 90
as shown in the
illustration.
(k) Check that the crankshaft turns smoothly.
(l) Using a 12 mm socket wrench, remove the 2 bolts
and connecting rod cap.
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EM–1342AZ-FE ENGINE MECHANICAL – ENGINE UNIT
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HINT:
The thrust washer thickness is 1.93 to 1.98 mm
(0.0760 to 0.0780 in.).
65. INSPECT CRANKSHAFT OIL CLEARANCE
NOTICE:
Do not turn the crankshaft during the measurement.
(a) Using several steps, uniformly loosen and remove
the 10 bearing cap bolts in the sequence shown in
the illustration.
(b) Remove the 5 bearing caps from the cylinder block.
HINT:
• Keep the No. 2 crankshaft bearings and
crankshaft bearing caps together.
• Arrange the bearing caps in correct order.
(c) Remove the crankshaft.
HINT:
Keep the crankshaft bearings and crankshaft thrust
washer uppers 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, replace the crankshaft.
(f) Place the crankshaft onto the cylinder block.
(g) Lay a strip of Plastigage across each journal.
(h) Examine the front marks and numbers, and install
the bearing caps onto the cylinder block in the order
shown in the illustration.
(i) Apply a light coat of engine oil to the threads and
under the heads of the crankshaft bearing cap set
bolts.
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EM–1422AZ-FE ENGINE MECHANICAL – ENGINE UNIT
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(d) Subtract the piston pin diameter measurement from
the piston pin bore diameter measurement.
Standard oil clearance:
0.001 to 0.007 mm (0.00004 to 0.0003 in.)
Maximum oil clearance:
0.013 mm (0.0005 in.)
If the oil clearance is greater than the maximum,
replace the connecting rod. If necessary, replace
the piston and piston pin as a set.
(e) Subtract the piston pin diameter measurement from
the connecting rod small end bore diameter
measurement.
Standard oil clearance:
0.005 to 0.011 mm (0.0002 to 0.0004 in.)
Maximum oil clearance:
0.017 mm (0.0007 in.)
If the oil clearance is greater than the maximum,
replace the connecting rod. If necessary, replace
the connecting rod and piston pin as a set.
8. INSPECT CONNECTING ROD SUB-ASSEMBLY
(a) Using a connecting rod aligner and feeler gauge,
check the connecting rod alignment.
(1) Check for misalignment.
Maximum misalignment:
0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
If the misalignment is greater than the
maximum, replace the connecting rod.
(2) Check for twist.
Maximum twist:
0.15 mm (0.0059 in.) per 100 mm (3.94 in.)
If the twist is greater than the maximum,
replace the connecting rod.
9. INSPECT CONNECTING ROD BOLT
(a) Using a vernier caliper, measure the tension portion
diameter of the bolt.
Standard diameter:
7.2 to 7.3 mm (0.283 to 0.287 in.)
Maximum diameter:
7.0 mm (0.276 in.)
If the diameter is less than the minimum, replace the
connecting rod bolt.
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2AZ-FE ENGINE MECHANICAL – ENGINE UNITEM–143
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10. INSPECT CRANKSHAFT
(a) Using a dial indicator and V-blocks, measure the
circle runout as shown in the illustration.
Maximum taper and distortion:
0.003 mm (0.0001 in.)
If the taper and distortion are greater than the
maximum, replace the crankshaft.
(b) Using a micrometer, measure the diameter of each
main journal.
Standard diameter:
54.988 to 55.000 mm (2.1830 to 2.1654 in.)
If the diameter is not as specified, check the
crankshaft oil clearance.
(c) Check each main journal for taper and distortion as
shown in the illustration.
Maximum taper and distortion:
0.003 mm (0.0001 in.)
If the taper and distortion are greater than the
maximum, replace the crankshaft.
Standard diameter (Reference)
(d) Using a micrometer, measure the diameter of each
crank pin.
Standard diameter:
47.990 to 48.000 mm (1.8894 to 1.8898 in.)
If the diameter is not as specified, check the
connecting rod oil clearance.
(e) Inspect each crank pin for taper and distortion as
shown in the illustration.
Maximum taper and distortion:
0.003 mm (0.0001 in.)
If the taper and distortion are greater than the
maximum, replace the crankshaft.
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Mark Specified Condition
0 54.999 to 55.000 mm (2.1653 to
2.1654 in.)
1 54.997 to 54.998 mm (2.1652 to
2.1653 in.)
2 54.995 to 54.996 mm (2.1652 to
2.1652 in.)
3 54.993 to 54.994 mm (2.1651 to
2.1651 in.)
4 54.991 to 54.992 mm (2.1650 to
2.1650 in.)
5 54.998 to 54.990 mm (2.1649 to
2.1650 in.)
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2AZ-FE ENGINE MECHANICAL – ENGINE UNITEM–145
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REPLACEMENT
1. REPLACE TIMING CHAIN COVER OIL SEAL
HINT:
There are 2 methods to replace the oil seal.
(a) If the timing chain cover is removed from the
cylinder block:
(1) Using a screwdriver and hammer, tap out the
oil seal.
(2) Apply multi-purpose grease to the lip of a new
oil seal.
NOTICE:
Keep the lip free of foreign objects.
(3) Using SST and a hammer, tap in the new oil
seal until its surface is flush with the timing
chain cover edge.
SST 09223-22010
NOTICE:
Do not tap the oil seal at an angle.
(b) If the timing chain cover oil seal is installed to the
cylinder block:
(1) Remove the fan and generator V belt (see page
EM-6).
(2) Remove the crankshaft pulley (see page EM-
25).
(3) Using a knife, cut off the lip of the oil seal.
(4) Using a screwdriver with its tip wrapped with
tape, pry out the oil seal.
NOTICE:
After removing, check the crankshaft for
damage. If damaged, smooth the surface
with 400-grit sandpaper.
(5) Apply multi-purpose grease to the lip of a new
oil seal.
NOTICE:
Keep the lip free of foreign objects.
(6) Using SST and a hammer, tap in the new oil
seal until its surface is flush with the timing
chain cover edge.
SST 09223-22010
NOTICE:
Do not tap the oil seal at an angle.
(7) Install the crankshaft pulley (see page EM-38).
(8) Install the fan and generator V belt (see page
EM-7).
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EM–1462AZ-FE ENGINE MECHANICAL – ENGINE UNIT
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2. REPLACE ENGINE REAR OIL SEAL
(a) Using a knife, cut off the lip of the oil seal.
(b) Using a screwdriver with its tip wrapped with tape,
pry out the oil seal.
NOTICE:
After removing, check the crankshaft for
damage. If damaged, smooth the surface with
400-grit sandpaper.
(c) Apply multi-purpose grease to the lip of a new oil
seal.
NOTICE:
Keep the lip free of foreign objects.
(d) Using SST and a hammer, tap in the new oil seal
until its surface is flush with the rear oil seal retainer
edge.
SST 09223-15030, 09950-70010 (09951-07100)
NOTICE:
• Wipe any extra grease off the crankshaft.
• Do not tap the oil seal at an angle.
3. REPLACE STUD BOLT (for Cylinder Block)
NOTICE:
If the stud bolt is deformed or the threads are
damaged, replace it.
(a) Remove the 8 stud bolts.
(b) Install the 8 stud bolts into the cylinder block.
To r q u e
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Item Specified Condition
A 5.0 N*m (51 kgf*cm, 44 in.*lbf)
B 21.5 N*m (219 kgf*cm, 16 ft.*lbf)
C 5.0 N*m (51 kgf*cm, 44 in.*lbf)
D 5.0 N*m (51 kgf*cm, 44 in.*lbf)

2GR-FE ENGINE MECHANICAL – ENGINE ASSEMBLYEM–41
EM
62. ADD AUTOMATIC TRANSAXLE FLUID
(a) 2WD:
Add automatic transmission fluid (see page AX-
177).
(b) 4WD:
Add automatic transmission fluid (see page AX-
178).
63. ADD TRANSFER OIL (for 4WD) (See page TF-45)
64. ADD ENGINE OIL (See page LU-6)
65. ADD ENGINE COOLANT (See page CO-8)
66. CHARGE REFRIGERANT (See page AC-172)
67. CHECK FOR LEAKAGE OF REFRIGERANT (See
page AC-173)
68. CHECK FOR ENGINE OIL LEAKS (See page LU-6)
69. CHECK FOR ENGINE COOLANT LEAKS (See page
CO-1)
70. CHECK FOR FUEL LEAKS
71. INSPECT EXHAUST GAS LEAKS
72. INSPECT SHIFT LEVER POSITION
(a) 2WD:
Inspect the shift lever position (see page AX-159).
(b) 4WD:
Inspect the shift lever position (see page AX-158).
73. ADJUST TRANSMISSION CONTROL CABLE
(a) 2WD:
Adjust the shift lever position (see page AX-159).
(b) 4WD:
Adjust the shift lever position (see page AX-159).
74. INSTALL FRONT FLOOR COVER (See page FU-39)
75. INSTALL NO. 2 ENGINE UNDER COVER
(a) Install the under cover with the 2 clips.
76. INSTALL REAR ENGINE UNDER COVER LH
(a) Install the under cover with the 2 clips.
77. INSTALL REAR ENGINE UNDER COVER RH
(a) Install the under cover with the 2 clips.
78. INSTALL NO. 1 ENGINE UNDER COVER
(a) Install the under cover with the 4 bolts and 12 clips.