Page 2025 of 5135
A76710
Fan and Generator V Belt
Cylinder Head Cover No. 2 Clip
Engine Mounting
Insulator RH
N´m (kgf´cm, ft´lbf) : Specified torque
7.0 (71, 62 in.lbf)
52 (530, 38)
52 (530, 38)
± ENGINE MECHANICALCAMSHAFT (1ZZ±FE/3ZZ±FE)
14±61
AVENSIS REPAIR MANUAL (RM1018E)
Page 2026 of 5135
A76709
Ventilation Hose No. 2
Clamp Bracket
Ventilation Hose Ignition Coil AssyEngine Wire
Clamp Bracket
Clamp Bracket
Gasket
Cylinder Head Cover
Sub±assy
Seal Washer
N´m (kgf´cm, ft´lbf) : Specified torque
9.0 (92, 80 in.lbf)
9.0 (92, 80 in.lbf)
9.0 (92, 80 in.lbf)
9.0 (92, 80 in.lbf)
11 (112, 8)
11 (112, 8)11 (112, 8)
11 (112, 8)
14±62
± ENGINE MECHANICALCAMSHAFT (1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
Page 2027 of 5135
A64006
V±ribbed Belt
Tensioner Assy
Camshaft Bearing Cap No. 1
Camshaft Timing Gear
or Sprocket
Camshaft Timing Gear Assy
Chain Tensioner
Assy No. 1Camshaft Camshaft No. 2 Camshaft Bearing Cap No. 3
69 (704, 51)
29 (296, 21)
9.0 (92, 80 in.lbf)
23 (235, 17)
54 (551, 40)
54 (551, 40)
13 (133, 10)
N´m (kgf´cm, ft´lbf) : Specified torque
Timing Chain Sub±assy
± ENGINE MECHANICALCAMSHAFT (1ZZ±FE/3ZZ±FE)
14±63
AVENSIS REPAIR MANUAL (RM1018E)
Page 2028 of 5135
141CI±01
A78459
A60622
A79324
A76713
±
ENGINE MECHANICAL CHAIN SUB±ASSY(1ZZ±FE/3ZZ±FE)
14±49
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1.REMOVE RADIATOR SUPPORT OPENING COVER (See page 14±27)
2.REMOVE ENGINE ROOM COVER SIDE (See page 14±27)
3.REMOVE FRONT WHEEL RH
4.REMOVE ENGINE UNDER COVER SUB±ASSY NO.1 (See page 14±27)
5.REMOVE ENGINE UNDER COVER RH (See page 14±27)
6.DRAIN ENGINE COOLANT (See page 16±7)
7.REMOVE CYLINDER HEAD COVER NO.2
(a)Remove the 2 nuts and 2 clips and detach the cylinderhead cover No.2.
8.REMOVE FAN AND GENERATOR V BELT
(a)Turn the V±ribbed belt tensioner clockwise slowly and loosen it. Then, remove the fan and generator V belt and
put back the V±ribbed belt tensioner carefully.
9.REMOVE V±RIBBED IDLER ASSY NO.1
(a)Remove the nut, bolt, tube and idler.
10.REMOVE GENERATOR ASSY (See page 19±7)
11. REMOVE IGNITION COIL ASSY
(a) Remove the 5 clamps from the 5 clamp brackets.
(b) Disconnect the 4 ignition coil connectors.
(c) Remove the 2 nuts which are used to secure the engine wire.
Page 2029 of 5135
A64023
A65078
A64058
A01045
A64005
14±50
± ENGINE MECHANICALCHAIN SUB±ASSY (1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
(d) Remove the 4 bolts and the 4 ignition coils.
12. DISCONNECT VENTILATION HOSE
(a) Disconnect the ventilation hose from the cylinder head
cover.
13. DISCONNECT VENTILATION HOSE NO.2
(a) Disconnect the ventilation hose from the cylinder head
cover.
14. REMOVE ENGINE MOUNTING INSULATOR
SUB±ASSY RH
(a) Place a wooden block on a jack underneath the engine.
Remove the 4 bolts and 2 nuts and detach the engine
mounting insulator RH.
Page 2030 of 5135
A64856
A62185
MarkMark
Mark Timing Chain
Cover Surface
Timing
Notch
A62837SST
A11858
±
ENGINE MECHANICAL CHAIN SUB±ASSY(1ZZ±FE/3ZZ±FE)
14±51
AVENSIS REPAIR MANUAL (RM1018E)
15.REMOVE CYLINDER HEAD COVER SUB±ASSY
(a)Remove the 9 bolts, 2 seal washers, 2 nuts and 3 clamp
brackets and detach the cylinder head cover.
16.SET NO. 1 CYLINDER TO TDC/COMPRESSION
(a)Turn the crankshaft pulley to align the timing notch with timing mark º0º of the timing chain cover.
(b)Check that the point marks of the camshaft timing sprock- et and VVT timing sprocket are in straight line on the tim-
ing chain cover surface as shown in the illustration.
HINT:
If not, turn the crankshaft 1 revolution (360 ) and align the
marks as above.
17.REMOVE CRANKSHAFT PULLEY
(a)Using SST, remove the pulley bolt. SST09960±10010 (09962±01000, 09963±01000)
(b)Remove the crankshaft pulley from the crankshaft.
18.REMOVE V±RIBBED BELT TENSIONER ASSY
(a)Remove the bolt and nut and detach V±ribbed belt ten- sioner.
HINT:
Jack up and down to remove the bolt.
19.REMOVE WATER PUMP ASSY(See page 16±9)
Page 2031 of 5135
A12816
A76692
A62178
Push
A10076
A30848
14±52
± ENGINE MECHANICALCHAIN SUB±ASSY (1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
20. REMOVE TRANSVERSE ENGINE ENGINE
MOUNTING BRACKET
(a) Remove the 3 bolts and the transverse engine engine
mounting bracket.
21. REMOVE CRANKSHAFT POSITION SENSOR
(a) Remove the 2 bolts which are used to secure the crank-
shaft position sensor.
22. REMOVE CHAIN TENSIONER ASSY NO.1
(a) Remove the 2 nuts and the chain tensioner.
NOTICE:
Do not revolve the crankshaft without the chain tensioner.
23. REMOVE TIMING CHAIN OR BELT COVER
SUB±ASSY
(a) Remove the 11 bolts and nuts.
(b) Using a torx wrench socket (E8), remove the stud bolt.
(c) Remove the timing chain cover by prying between the cyl-
inder head and the cylinder block with a screwdriver.
NOTICE:
Be careful not to damage the timing chain cover, the cylin-
der head and the cylinder block.
24. REMOVE TIMING GEAR COVER OIL SEAL
(a) Using a screwdriver, remove the oil seal.
25. REMOVE CRANKSHAFT POSITION SENSOR PLATE
NO.1
26. REMOVE CHAIN TENSIONER SLIPPER
(a) Remove the bolt and the chain tensioner slipper.
Page 2032 of 5135
A30857
A10079
A62170
Set KeyUpward
A62171
Yellow
Color Link
Timing Mark
A62172
SST
± ENGINE MECHANICALCHAIN SUB±ASSY (1ZZ±FE/3ZZ±FE)
14±53
AVENSIS REPAIR MANUAL (RM1018E)
27. REMOVE CHAIN SUB±ASSY
(a) Remove the timing chain with the crankshaft timing gear
by plying it using screwdrivers as shown in the illustration.
NOTICE:
Put shop rag to protect the engine.
In case of revolving the camshafts with the chain off
the sprockets, turn the crankshaft 1/4 revolution
counterclockwise for valves not to touch the pistons.
28. INSTALL CHAIN SUB±ASSY
(a) Set No. 1 cylinder to TDC/compression.
(1) Turn the camshafts with a wrench and align the
point marks of the camshaft timing sprockets.
(2) Using a crankshaft pulley bolt, turn the crankshaft
and set the set key on the crankshaft upward.
(b) Install the timing chain to the crankshaft timing sprocket
with the yellow color link aligned with the timing mark on
the crankshaft timing sprocket.
HINT:
Three yellow color links are on the chain.
(c) Using SST, install the crankshaft timing sprocket.
SST 09223±22010