Drive belt TOYOTA AVALON 2001 Service Workshop Manual
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Page 1581 of 1897
SS0G9-03
SS-32
- SERVICE SPECIFICATIONSSTEERING
148 Author: Date:
2001 AVALON (RM808U)
STEERING
SERVICE DATA
DRIVE BELT
Drive belt tension* New belt120 - 185 lbf
Drive belt tension* Used belt95 - 135 lbf
POWER STEERING FLUID
Fluid level rise Maximum5 mm (0.20 in.)
Fluid pressure at idle speed with valve closed Minimum7,845 kPa (80 kgf/cm2, 1,138 psi)
STEERING WHEEL
Steering wheel freeplayMaximum30 mm (1.18 in.)
Steering effort at idle speedReference5.9 N´m (60 kgf´cm, 52 in.´lbf)
POWER STEERING VANE PUMP
Vane pump rotating torque0.3 N´m (2.8 kgf´cm, 2.4 in.´lbf) or less
Oil clearance between pump shaft and bushing STD0.03 - 0.05 mm (0.0012 - 0.0020 in.)
Oil clearance between pump shaft and bushingMaximum0.07 mm (0.0028 in.)
Vane plate heightMinimum8.6 mm (0.339 in.)
Vane plate thickness Minimum1.397 mm (0.0550 in.)
Vane plate lengthMinimum14.991 mm (0.5902 in.)
Clearance between the rotor groove and plateMaximum0.035 mm (0.0014 in.)
Vane plate length Pump rotor and cam ring mark
None14.999 - 15.001 mm (0.59051 - 0.59059 in.)
114.997 - 14.999 mm (0.59043 - 0.59051 in.)
214.995 - 14.997 mm (0.59035 - 0.59043 in.)
314.993 - 14.995 mm (0.59027 - 0.59035 in.)
414.991 - 14.993 mm (0.59020 - 0.59027 in.)
Spring free length Minimum32.3 mm (1.272 in.)
POWER STEERING GEAR
Steering rack runout Maximum0.03 mm (0.0012 in.)
Total preload (Control valve rotating torque)0.8 - 1.4 N´m (8 - 14 kgf´cm, 6.9 - 12.2 in.´lbf)
*: For use with belt tension gauge
Page 1708 of 1897
RS0L9-01
H11925
N´m (kgf´cm, ft´lbf): Specified torque
43 (440, 32)
19 (194, 14)
Driver's seat with bench type:
Driver's seat with bench type: No. 1 Seat Armrest CoverSeatback Frame
AssemblyHeadrest
Headrest Support
Seatback Board
Side Airbag Assembly
Seatback Cover (w/ Pad) Hog Ring Reclining Adjuster
Inside Cover
Front Seat Cushion
Inner Shield
Seat Cushion Assembly
Seat Cushion Assembly
19 (194, 14)
43 (440, 32)
42 (430, 31)
Seat Armrest Assembly
Front Seat Cushion Shield
Power Seat Switch Knob
Front Seat Inner Belt
Non-reusable part
37 (375, 27)
41 (420, 30)
- SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
RS-41
1561 Author: Date:
2001 AVALON (RM808U)
SIDE AIRBAG ASSEMBLY (Power Adjuster Type)
COMPONENTS
Page 1717 of 1897
H11918
H11917
H11924
H11920
H11919
- SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
RS-53
1573 Author: Date:
2001 AVALON (RM808U)
3. INSTALL SEAT CUSHION ASSEMBLY
(a) Driver's seat with bench type:
Install the seat cushion assembly with the 5 bolts.
(b) Except driver's seat with bench type:
Install the seat cushion assembly with 4 bolts.
(c) Install the wire harness to the seat cushion assembly.
4. INSTALL FRONT SEAT CUSHION INNER SHIELD
Install the front seat inner shield with the 2 screws.
5. INSTALL FRONT SEAT INNER BELT
6. INSTALL FRONT SEAT CUSHION SHIELD
Install the front seat cushion shield with the 5 screws.
7. INSTALL POWER SEAT SWITCH KNOBS
8. Driver 's seat with bench type:
INSTALL SEAT ARMREST ASSEMBLY
Install the seat armrest assembly with bolt and cover.
9. INSTALL HEADREST
Page 1719 of 1897
RS0LA-01
H11931
H11919
H11920
RS-42
- SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
1562 Author: Date:
2001 AVALON (RM808U)
REMOVAL
NOTICE:
If the wiring connector of the SRS is disconnected
and the ignition switch is at ON or ACC position, DTCs
will be recorded.
Never use the airbag parts from another vehicle.
When replacing parts, replace them with new parts.
1. REMOVE FRONT SEAT
(a) Remove the 4 seat track covers and 4 bolts.
(b) Disconnect the power seat and side airbag connector.
NOTICE:
When handling the airbag connector, take care not to dam-
age the airbag wire harness.
(c) Remove the front seat.
2. REMOVE HEADREST
3. Driver 's seat with bench type:
REMOVE SEAT ARMREST ASSEMBLY
Remove the cover, bolt and seat armrest assembly.
4. REMOVE POWER SEAT SWITCH KNOBS
5. REMOVE FRONT SEAT CUSHION SHIELD
Remove the 5 screws and front seat cushion shield, as shown
in the illustration.
6. REMOVE FRONT SEAT INNER BELT
7. REMOVE FRONT SEAT CUSHION INNER SHIELD
Remove the 2 screws and front seat inner belt.
8. REMOVE SEAT CUSHION ASSEMBLY
(a) Remove the wire harness from the seat cushion assem-
bly.
Page 1776 of 1897
P06717
SR0ED-03
Z00038
DENSO Borroughs
P06723
CORRECT WRONG WRONG
- STEERINGDRIVE BELT
SR-3
1466 Author: Date:
2001 AVALON (RM808U)
DRIVE BELT
INSPECTION
INSPECT DRIVE BELT
(a) Visually check the drive belt for excessive wear, frayed
cords, etc.
If any defect has been found, replace the drive belt.
HINT:
Cracks on the rib side of a drive belt are considered acceptable.
If the missing chunks from the ribs are found on the drive belt,
it should be replaced.
(b) Using a belt tension gauge, measure the belt tension.
Belt tension gauge:
DENSO BTG-20 (95506-00020)
Borroughs No. BT-33-73F
Drive belt tension:
New belt: 120 - 185 lbf
Used belt: 95 - 135 lbf
If the belt tension is not as specified, adjust it.
HINT:
ºNew beltº refers to a belt which has been used less than
5 minutes on a running engine.
ºUsed beltº refers to a belt which has been used on a run-
ning engine for 5 minutes or more.
After installing a belt, check that it fits properly in the
ribbed grooves.
Check with your hand to confirm that the belt has not
slipped out of the groove on the bottom of the pulley.
After installing a new belt, run the engine for about 5 min-
utes and recheck the belt tension.
Page 1802 of 1897
SR0EN-06
F08851
Connector
Oil Pressure Switch
Union Bolt
Gasket
Return HoseDrive Belt
Clamp Plate
Pressure Feed Tube
Pressure Feed Tube
PS Vane Pump AssemblyHolder
Clamp Plate
Clamp Plate
Front Fender Apron Seal RH
Non-reusable part
43 (440, 32)
*29 (300, 22)
7.8 (80, 69 in.´lbf)
21 (210, 15)
52 (530, 38)
43 (440, 32)
25 (250, 18)
*22 (230, 17)
N´m (kgf´cm, ft´lbf): Specified torque
* For use with SST
- STEERINGPOWER STEERING VANE PUMP
SR-25
1488 Author: Date:
2001 AVALON (RM808U)
POWER STEERING VANE PUMP
COMPONENTS
Page 1808 of 1897
SR0ES-07
F08856
Pressure
Feed
Tube
Stopper
F08855
A
B
Z19285
Clamp
Engine Wire
SST Fulcrum
Length
- STEERINGPOWER STEERING VANE PUMP
SR-35
1498 Author: Date:
2001 AVALON (RM808U)
INSTALLATION
1. INSTALL PRESSURE FEED TUBE
Install the pressure feed tube and gasket to the PS vane pump
assembly with union bolt.
HINT:
Make sure the stopper of the pressure feed tube touches the
front bracket as shown in the illustration, then install the union
bolt.
Torque: 52 N´m (530 kgf´cm, 38 ft´lbf)
2. INSTALL OIL PRESSURE SWITCH
Torque: 21 N´m (210 kgf´cm, 15 ft´lbf)
NOTICE:
Be careful to prevent oil seal from being attached to the
connector.
3. INSTALL PS VANE PUMP ASSEMBLY WITH PRESS-
ER FEED TUBE
Temporarily install the PS vane pump assembly with 2 (A and
B) bolts.
4. INSTALL DRIVE BELT
(a) Adjust drive belt tension (See page SR-3).
(b) Using SST, torque the bolt A.
SST 09249-63010
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)
HINT:
Use a torque wrench with a fulcrum length of 300 mm
(11.81 in.).
Disconnect the clamp with engine wire.
(c) Torque the bolt B.
Torque: 43 N´m (440 kgf´cm, 32 ft´lbf)
(d) Connect the connector to the oil pressure switch.
Page 1812 of 1897
SR0EO-06
F13584
Pressure Feed TubeSST
F08855
A
B
- STEERINGPOWER STEERING VANE PUMP
SR-27
1490 Author: Date:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE FRONT FENDER APRON SEAL RH
Remove the 2 bolts and front fender apron seal RH.
2. DISCONNECT RETURN HOSE
Remove the clip and disconnect the return hose.
NOTICE:
Take care not to spill fluid on the drive belt.
3. DISCONNECT PRESSURE FEED TUBE
(a) Remove the 2 clamp plate set nuts.
(b) Remove the bolt, 2 clamp plates and 2 holders from the
pressure feed tube.
(c) Using a spanner, hold the pressure feed tube steadily and
using SST, disconnect the pressure feed tube.
SST 09023-12700
4. REMOVE DRIVE BELT
Loosen the 2 (A and B) bolts and drive belt.
5. REMOVE PS VANE PUMP ASSEMBLY WITH PRES-
SURE FEED TUBE
(a) Disconnect the connector from the oil pressure switch.
(b) Loosen the bolt A sufficiently so that pump assembly can
be removed.
HINT:
Bolt A cannot be removed.
(c) Remove the bolt B and PS vane pump assembly.
6. REMOVE OIL PRESSURE SWITCH
NOTICE:
Be careful not to drop the switch.
If the switch is dropped or strongly damaged, replace it with a
new one.
7. REMOVE PRESSURE FEED TUBE
(a) Remove the oil pressure switch from the union bolt.
(b) Remove the union bolt, gasket and pressure feed tube.
Page 1816 of 1897
SR0EC-02
SR-2
- STEERINGTROUBLESHOOTING
1465 Author: Date:
2001 AVALON (RM808U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, repair or replace these parts.
SymptomSuspect AreaSee page
Hard steering
1. Tires (Improperly inflated)
2. Power steering fluid level (Low)
3. Drive belt (Loose)
4. Front wheel alignment (Incorrect)
5. Steering system joints (Worn)
6. Suspension arm ball joints (Worn)
7. Steering column (Binding)
8. Power steering vane pump
9. Power steering gearSA-2
SR-5
SR-3
SA-4
-
SA-38
-
SR-25
SR-37
Poor return
1. Tires (Improperly inflated)
2. Front wheel alignment (Incorrect)
3. Steering column (Binding)
4. Power steering gearSA-2
SA-4
-
SR-37
Excessive play
1. Steering system joints (Worn)
2. Suspension arm ball joints (Worn)
3. Universal joint, Intermediate shaft, Sliding yoke (Worn)
4. Front wheel bearing (Worn)
5. Power steering gear-
SA-38
-
SA-9
SR-37
Abnormal noise
1. Power steering fluid level (Low)
2. Steering system joints (Worn)
3. Power steering vane pump
4. Power steering gearSR-5
-
SR-25
SR-37