丰田Toyota RAV4 Repair Manual/Steering Column.pdf
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1、STEERING COLUMN STEERING SYSTEM SR3 SR PROBLEM SYMPTOMS TABLE (2006/01- ) HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the “Suspected Area“ column of the table. Check each symptom by checking
2、the suspected areas in the order they are listed. Replace parts as necessary. Steering system ON-VEHICLE INSPECTION 1.CHECK STEERING WHEEL FREE PLAY (a)Stop the vehicle and align the tires facing straight ahead. (b)Turn the steering wheel gently right and left, and check the steering wheel free play
3、. Maximum free play: 30 mm (1.18 in.) If the free play exceeds the maximum, replace the steering intermediate shaft sub-assembly or steering gear. SymptomSuspected AreaSee page Hard steering 1. Front tires (Improperly inflated or unevenly worn)TW-1 2. Front wheel alignment (Incorrect)SP-3 3. Front s
4、uspension (Lower ball joint)SP-27 4. Steering intermediate shaftSR-11 5. Steering columnSR-11 6. Steering gearPS-42 7. Power steering ECUPS-46 Poor return 1. Front tires (Improperly inflated or unevenly worn)TW-1 2. Front wheel alignment (Incorrect)SP-3 3. Steering columnSR-11 4. Steering gearPS-42
5、5. Power steering ECUPS-46 No free play or excessive play 1. Steering intermediate shaftSR-11 2. Steering gearPS-42 Knocking (or clunking) sound occurs when steering wheel turned while power steering in operation 1. Steering intermediate shaftSR-11 2. Front suspension (Lower ball joint)SP-27 3. Fron
6、t axle hub (Hub bearing)AH-7 4. Steering gearPS-42 Friction sound occurs when steering wheel turned during low speed driving 1. Power steering motorSR-11 2. Steering columnSR-11 High-pitched sound (squealing sound) occurs when steering wheel turned slowly with vehicle stopped 1. Power steering motor
7、SR-11 Steering wheel vibrates and noise occurs when steering wheel turned while vehicle stopped 1. Power steering motorSR-11 2. Steering columnSR-11 Maximum Free Play 30 mm C128822E01 SR4 STEERING COLUMN STEERING SYSTEM SR REPAIR 1.CORRECT STEERING OFF CENTER (a)Check whether the steering wheel is o
8、ff-center. (1)Apply masking tape to the top center of the steering wheel and the upper steering column cover. (2)Drive the vehicle in a straight line for 100 meters at a constant speed of 56 km/h (35 mph), holding the steering wheel to maintain the course. (3)Draw a line on the masking tape, as show
9、n in the illustration. (4)Turn the steering wheel to the center position. HINT: Look at the upper surface of the steering wheel, the steering spokes and the SRS airbag line to determine the center position. (5)Draw another line on the masking tape on the steering wheel, as shown in the illustration.
10、 (6)Measure the distance between the 2 lines on the masking tape on the steering wheel. (7)Convert the measured distance to the steering angle. HINT: Measured distance of 1 mm (0.04 in.) = Approximately 1 degree steering angle. Make a note of the steering angle. (b)Adjust the steering angle. C128823
11、E01 C128824E01 C128825E01 STEERING COLUMN STEERING SYSTEM SR5 SR (c)For the following 2steps, carry out the RH and LH procedures separately. (1)Draw a line on the tie rod and rack end where it can easily be seen. (2)Using a paper gauge, measure the distance between the tie rod end and the rack end s
12、crew. (3)Remove the RH and LH boot clips from the rack boots. (4)Loosen the RH and LH lock nuts. (5)Turn the RH and LH rack ends by the same amount (but in opposite directions) in accordance with the steering angle. HINT: Electronic power steering: 1 turn (360) of rack end (1.5 mm (0.059 in.) horizo
13、ntal movement) - 10.8 of steering angle. (6)Tighten the RH and LH lock nuts. Torque: 88 N*m (897 kgf*cm, 65 ft.*lbf) NOTICE: Make sure that the difference in length between the RH and LH tie rod ends and rack end screws is less than 1.5 mm (0.059 in.). (7)Install the RH and LH boot clips. C128833 C1
14、28834 SR12 STEERING COLUMN STEERING COLUMN ASSEMBLY SR REMOVAL CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing the steering column (see page RS-1). 1.PLACE FRONT WHEELS FACING STRAIGHT AHEAD 2.DI
15、SCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. 3.REMOVE STEERING PAD (See page RS-336) 4.REMOVE STEERING WHEEL ASSEMBLY (a)Remove the nut and
16、 place matchmarks on the steering wheel and steering column. (b)Using SST, remove the steering wheel. SST09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021) NOTICE: Apply a small amount of grease to the threads and tip of SST (center bolt) before use. 5.REMOVE STEERING COLUMN COVER (a)D
17、etach the 4 claws, release the tilt lever and remove the lower steering column cover. Matchmark C132123E01 SST C132124E01 C128491 STEERING COLUMN STEERING COLUMN ASSEMBLY SR13 SR (b)Detach the claw and remove the upper steering column cover. 6.REMOVE SPIRAL CABLE SUB-ASSEMBLY (a)Disconnect all conne
18、ctors from the turn signal switch with spiral cable. 7.REMOVE COMBINATION SWITCH ASSEMBLY (a)Detach the clamp shown in the illustration and remove the combination switch from the steering column. 8.REMOVE INSTRUMENT PANEL SUB-ASSEMBLY (a)Remove the instrument panel (see page IP-4). 9.DISCONNECT POWE
19、R STEERING ECU (a)Detach the power steering motor wire harness and torque sensor wire harness clamps from the power steering ECU side. (b)Disconnect the 2 steering column connectors from the power steering ECU. 10. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL (See page IP-20) C128492 C128493 C128800 L
20、ockUnlock C128906E03 SR14 STEERING COLUMN STEERING COLUMN ASSEMBLY SR 11. REMOVE COLUMN HOLE COVER SILENCER SHEET (a)Turn back the floor carpet, remove the 2 clips and remove the column hole cover silencer sheet. 12. REMOVE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY (a)Place matchmarks on the steeri
21、ng intermediate shaft and steering gear. (b)Remove bolt A and detach the steering assembly from the steering gear. (c)Place matchmarks on the steering intermediate shaft and steering column. (d)Remove bolt B and detach the steering intermediate shaft shaft from the steering column. 13. REMOVE BRAKE
22、PEDAL SUPPORT ASSEMBLY (a)Remove the brake pedal support (see page BR-12). 14. REMOVE STEERING COLUMN ASSEMBLY (a)Disconnect all connectors and detach all wire harness clamps from the steering column. (b)Remove the bolt and 2 nuts and remove the steering column from the instrument panel reinforcemen
23、t. C128486 A B Matchmark Matchmark C128805E01 C128489 STEERING COLUMN STEERING COLUMN ASSEMBLY SR15 SR DISASSEMBLY 1.REMOVE TRANSPONDER KEY AMPLIFIER (a)Detach the 2 claws and slide the transponder key amplifier in the direction shown in the illustration, to detach it from the steering column upper
24、with switch bracket. 2.REMOVE STEERING COLUMN UPPER WITH SWITCH BRACKET ASSEMBLY (a)Fix the steering post in a vise between aluminum plates. NOTICE: Do not overtighten the vise. (b)Using a drill, drill a hole in each of the steering lock set bolt to insert a screw extractor. (c)Using a screw extract
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