sensor TOYOTA AVALON 2001 Service Repair Manual

EM04B-04
A10521
Knock Sensor Connector
Engine Wire Band
Engine WireKnock Sensor
Water Inlet Housing
(With Water Inlet)
No.2 Idler Pulley Bracket
Water Seal Plate
Engine Coolant
Drain Union
Oil Filter Union
Oil Filter  Gasket
Cylinder Block
Side Cover
 Gasket
Water Pump
 Crankshaft
Front Oil Seal
Crankshaft
Position Sensor
Connector
Oil Pressure
Switch
Oil Pressure Switch
Connector
A/C Compressor
Housing Bracket
No.1 Oil Pan
x 17 Oil Pump
 Gasket
 Gasket
Engine WireGenerator
Drain Plugx 10No.2 Oil Pan Oil Strainer
 Non-reusable part
N´m (kgf´cm, ft´lbf): Specified torque
Precoated part

8 (80, 69 in.´lbf)
8 (80, 69 in.´lbf)
10 mm Head 8 (80, 69 in.´lbf)
12 mm Head 19.5 (200, 14)
10 mm Head 8 (80, 69 in.´lbf)
12 mm Head 19.5 (200, 14)
45 (460, 33)
8 (80, 69 in.´lbf)
9 (90, 78 in.´lbf)
x 8
8 (80, 69 in.´lbf)
28 (290, 21)


18 (180, 13)
25 (250, 18)
39 (400, 29)
No.2 ECT Switch
Connector
 O-Ring
x 9
19.5 (200, 14)
- ENGINE MECHANICALCYLINDER BLOCK
EM-81
1065 Author
: Date
:
2001 AVALON (RM808U)
CYLINDER BLOCK
COMPONENTS

A05415
EM0ZN-02
S04921
A05252
P18761
- ENGINE MECHANICALCYLINDER BLOCK
EM-83
1067 Author
: Date
:
2001 AVALON (RM808U)
DISASSEMBLY
1. REMOVE DRIVE PLATE
Remove the 8 bolts, rear plate, drive plate and front spacer.
2. INSTALL ENGINE TO ENGINE STAND FOR DIS-
ASSEMBLY
3. REMOVE TIMING BELT AND PULLEYS
(See page EM-15)
4. REMOVE CYLINDER HEAD (See page EM-31)
5. DISCONNECT CRANKSHAFT POSITION SENSOR
CONNECTOR
6. DISCONNECT OIL PRESSURE SWITCH CONNECTOR
7. DISCONNECT OIL LEVEL SENSOR CONNECTOR
8. REMOVE ENGINE WIRE
(a) Disconnect the 2 wire clamps from the wire brackets.
(b) Remove the 2 bolts and nut, and disconnect the engine
wire.
9. REMOVE GENERATOR, ADJUSTING BAR AND
BRACKET ASSEMBLY
Remove the 3 nuts, the generator, adjusting bar and bracket as-
sembly.
10. REMOVE OIL PRESSURE SWITCH
(See page LU-1)
11. REMOVE A/C COMPRESSOR HOUSING BRACKET
Remove the 2 bolts and compressor housing bracket.
12. REMOVE NO.2 IDLER PULLEY BRACKET
Remove the 2 bolts and idler pulley bracket.

P12389
SST
A05253
P18763
WaterSeal
Plate
Oil Filter
Union
12 mm
Hexagon
Wrench
Coolant
Drain
Union
A02010
P12508
EM-84
- ENGINE MECHANICALCYLINDER BLOCK
1068 Author
: Date
:
2001 AVALON (RM808U)
13. REMOVE KNOCK SENSORS
(a) Disconnect the 2 knock sensor connectors.
(b) Using SST, remove the 2 knock sensors.
SST 09816-30010
14. REMOVE WATER INLET HOUSING
(a) Remove the engine wire band.
(b) Disconnect the engine wire clamp from the bracket.
(c) Remove the 8 bolts, 2 nuts and water inlet housing.
15. REMOVE WATER PUMP (See page CO-6)
16. REMOVE NO.2 OIL PAN (See page LU-9)
17. REMOVE OIL STRAINER (See page LU-3)
18. REMOVE NO.1 OIL PAN (See page LU-3)
19. REMOVE OIL PUMP (See page LU-9)
20. REMOVE OIL FILTER (See page LU-3)
21. REMOVE OIL FILTER UNION
Using a 12 mm hexagon wrench, remove the oil filter union.
22. REMOVE WATER SEAL PLATE
Remove the 2 nuts and seal plate.
23. REMOVE ENGINE COOLANT DRAIN UNION
24. REMOVE CYLINDER BLOCK SIDE COVER
Remove the 3 bolts, 2 nuts, cylinder block side cover and gas-
ket.
25. REMOVE REAR OIL SEAL RETAINER
(a) Remove the 6 bolts.
(b) Using a screwdriver, remove the oil seal retainer by prying
the portions between the oil seal retainer and main bear-
ing cap.

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)

Water Bypass Hose
A10522
PS Pressure Tube
Throttle Body Bracket
Engine WireThrottle Position
Sensor Connector
Vacuum Hose Brake Booster
39 (400,29)
IAC Valve
Connector
Accelerator Cable
Purge Hose
Hose Vacuum

Gasket
VSV Connector for No.2 ACIS
Engine Coolant
Reservoir Hose
43 (440,32)
ECT Sender
Gauge Connector
ECT Sensor
Connector
Grand Strap
Connector
15 (150,11)
Water Outlet
15 (150,11)
Water Bypass
Hose
Upper Radiator
HoseFuel Inlet Hose
Injector Connector Intake Manifold
Assembly

Retainer
Heater Hose

GasketIgnition Coil
Connector

Non-reusable part: Specified torque
N´m (kgf´cm, ft´lbf)
19.5 (200, 14)
No.1 Engine
Hanger
VSV Connector for
EVAP
Ground Cable
PCV Hose Ground Cable
Air Intake Chamber
Assembly

Gasket
Spark PlugIgnition Coil
Ground Strap
DLC1
Gasket
Fuel Hose Clamp
VSV Connector
for No.1 ACIS
Throttle Cable
- ENGINE MECHANICALCYLINDER HEAD
EM-27
1011 Author
: Date
:
2001 AVALON (RM808U)

A06660
Engine Wire
Engine Wire
RH Exhaust Manifold
49 (500, 36)
x 6Cylinder Head Rear Plate
PS Pump Bracket
43 (440, 32)
Gasket
No.3 Timing Belt Cover
CollarWater Inlet
Pipe
x 6

O-Ring Oil Dipstick Guide
N´m (kgf´cm, ft´lbf) : Specified torque

Non-reusable part
Gasket
Engine Wire
Engine Wire
49 (500, 36)
Bushing
Camshaft Position
Sensor
LH Exhaust
Manifold Stay
x 6

Gasket

O-Ring

O-Ring
LH Exhaust Manifold

O-Ring
Camshaft
Timing Oil
Control Valve
Camshaft Position
SensorRH Exhaust
Manifold Stay

O-Ring

O-Ring
- ENGINE MECHANICALCYLINDER HEAD
EM-29
1013 Author
: Date
:
2001 AVALON (RM808U)

A06661
Manifold
Stay
A07283
New O-Ring
A07281
Manifold
Stay
A05188Inlet PipeRear
Plate
EM-66
- ENGINE MECHANICALCYLINDER HEAD
1050 Author
: Date
:
2001 AVALON (RM808U)
11. INSTALL RH EXHAUST MANIFOLD
(a) Install a new gasket and the exhaust manifold with the 6
nuts. Uniformly tighten the nuts in several passes.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
(b) Install the exhaust manifold stay with the bolt and nut. Al-
ternately tighten the bolt and nut.
Torque: 34 N´m (350 kgf´cm, 25 ft´lbf)
(c) Connect the A/F sensor connector.
12. INSTALL OIL DIPSTICK AND GUIDE
(a) Install a new O-ring to the dipstick guide.
(b) Apply soapy water to the O-ring.
(c) Push in the dipstick guide end into the guide hole of the
No.1 oil pan.
(d) Install the dipstick guide with the bolt.
Torque: 8 N´m (80 kgf´cm, 69 in.´lbf)
(e) Install the dipstick.
13. INSTALL LH EXHAUST MANIFOLD
(a) Install a new gasket and the exhaust manifold with the 6
nuts. Uniformly tighten the nuts in several passes.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
(b) Install the exhaust manifold stay with the bolt and nut. Al-
ternately tighten the bolt and nut.
Torque: 34 N´m (350 kgf´cm, 25 ft´lbf)
(c) Connect the A/F sensor connector.
14. INSTALL WATER INLET PIPE
(a) Install a new O-ring to the water inlet pipe.
(b) Apply soapy water to the O-ring.
(c) Connect the water inlet pipe to the water inlet.
(d) Install the bolt holding the water inlet pipe to the cylinder
head.
Torque: 19.5 N´m (200 kgf´cm, 14 ft´lbf)
15. INSTALL CYLINDER HEAD REAR PLATE
Torque: 8 N´m (80 kgf´cm, 69 in.´lbf)
16. INSTALL ENGINE WIRE PROTECTOR
17. INSTALL CAMSHAFT TIMING OIL CONTROL VALVES
18. INSTALL CAMSHAFT POSITION SENSORS
19. INSTALL NO.3 TIMING BELT COVER
(a) Check that the timing belt cover gaskets have no cracks
or peeling, etc.
If the gaskets have cracks or peeling etc., replace them using
these steps:

Using a screwdriver and gasket scraper, remove all
the old gasket material.

A05194
L = 133 mm (5.24 in.)
L = 180 mm (7.09 in.)L = 72 mm (2.83 in.)
L = 335 mm (13.19 in.)L = 180 mm
(7.09 in.)
L = Length Join
LineJoin
Line
Z14262New Gasket
- ENGINE MECHANICALCYLINDER HEAD
EM-67
1051 Author
: Date
:
2001 AVALON (RM808U)

Thoroughly clean all components to remove all the
loose material.

Remove the backing paper from a new gasket and
install the gasket evenly to the part of the timing belt
cover shaded black in the illustration.
NOTICE:
When joining 2 gaskets, do not leave a gap between them.
Cut off any excess gasket.

After installing the gasket, press down on it so that
the adhesive firmly sticks to the timing belt cover.
(b) Install the timing belt cover with the 6 bolts.
Torque: 8.5 N´m (85 kgf´cm, 74 in.´lbf)
(c) Install the 3 engine wire clamps to the timing belt cover.
20. INSTALL NO.2 IDLER PULLEY (See page EM-21)
21. INSTALL CAMSHAFT TIMING PULLEYS
(See page EM-21)
22. INSTALL TIMING BELT (See page EM-21)
23. INSTALL SPARK PLUGS
24. INSTALL IGNITION COILS
25. INSTALL WATER OUTLET
(a) Install 2 new gaskets.
(b) Connect the water outlet to the bypass hose.
(c) Install the water outlet with the 2 bolts, 2 nuts and 2 plate
washers. Alternately tighten the bolts and nuts.
Torque: 15 N´m (150 kgf´cm, 11 ft´lbf)
NOTICE:
Do not scratch the seal surface of the water outlet with the
stud bolt.
(d) Connect the ECT sender gauge connector.
(e) Connect the ECT sensor connector.
(f) Connect the ground strap connector.
(g) Connect the upper radiator hose.
(h) Connect the engine coolant reservoir hose.

- ENGINE MECHANICALCYLINDER HEAD
EM-69
1053 Author
: Date
:
2001 AVALON (RM808U)
(n) Install the PS pressure tube with the 2 nuts.
(o) Connect the throttle position sensor connector.
(p) Connect the IAC valve connector.
(q) Connect the No.1 VSV connector for the ACIS.
(r) Connect the No.2 VSV connector for the ACIS.
(s) Connect the VSV connecter for the EVAP.
(t) Connect the DLC1 to the bracket on the intake air control
valve.
(u) Connect the throttle cable.
(v) Connect the accelerator cable.
29. INSTALL AIR CLEANER CAP HOSE WITH RESONA-
TOR
30. INSTALL V-BANK COVER
(a) Using a 5 mm hexagon wrench, install the V-bank cover
with the 3 cap nuts.
(b) Press down the V-bank cover fastener.
31. INSTALL FRONT EXHAUST PIPE (See page EM-77)
32. INSTALL PS PUMP (See page SR-35)
33. INSTALL GENERATOR DRIVE BELT
(See page CH-16)
34. FILL WITH ENGINE COOLANT
35. START ENGINE AND CHECK FOR LEAKS
36. VEHICLE ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points
and smoothly operation.
37. RECHECK ENGINE COOLANT LEVEL