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Tài liệu hướng dẫn sửa Hệ thống lái trên xe Hilux 2015 2018 manual steering he thong lai . Cung cấp các thông tin cần thiết cho Kỹ thuật viên tiến hành chẩn đoán, sửa chữa nhanh chóng, chính xác, hiệu quả
11/3/17, 10(17 pm POWER ASSIST SYSTEMS POWER STEERING SYSTEM ON-VEHICLE INSPECTION PROCEDURE 1.INSPECT DRIVE BELT for for for for for 1GR-FE: Click hereEngine / Hybrid System>1GR-FE ENGINE MECHANICAL>DRIVE BELT>ON-VEHICLE INSPECTION 1GD-FTV: Click hereEngine / Hybrid System>1GD-FTV ENGINE MECHANICAL>DRIVE BELT>ON-VEHICLE INSPECTION 2GD-FTV: Click hereEngine / Hybrid System>1GD-FTV ENGINE MECHANICAL>DRIVE BELT>ON-VEHICLE INSPECTION 1TR-FE: Click hereEngine / Hybrid System>2TR-FE ENGINE MECHANICAL>DRIVE BELT>ON-VEHICLE INSPECTION 2TR-FE: Click hereEngine / Hybrid System>2TR-FE ENGINE MECHANICAL>DRIVE BELT>ON-VEHICLE INSPECTION 2.BLEED AIR FROM POWER STEERING SYSTEM NOTICE: Do not allow foreign matter in the oil reservoir sub-assembly a Check the fluid level b Jack up the front of the vehicle and support it with stands c Turn the steering wheel i With the engine stopped, turn the steering wheel slowly from lock to lock several times d Lower the vehicle e Start the engine Run the engine at idle for a few minutes f Turn the steering wheel i With the engine idling, turn the steering wheel to the left or right full lock position and hold it there for to seconds Then turn the steering wheel to the opposite full lock position and hold it there for to seconds ii Repeat the step above several times g Stop the engine h Check for foaming or emulsification If the system has to be bled twice because of foaming or emulsification, check for fluid leaks in the system i Check the fluid level *a Correct *b Incorrect 3.CHECK FLUID LEVEL NOTICE: Do not allow foreign matter in the oil reservoir sub-assembly a Keep the vehicle level https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TMHN.html Page of 11/3/17, 10(17 pm b With the engine stopped, check the power steering fluid level in the oil reservoir If necessary, add power steering fluid Power steering fluid: Automatic transmission Fluid DEXRON II or III or equivalent HINT: If the fluid is hot, check that the fluid level is within the HOT range on the oil reservoir If the fluid is cold, check that the fluid level is within the COLD range c Start the engine and run it at idle d Turn the steering wheel to the left or right full lock position, and then turn the steering wheel to the opposite full lock position Repeat this several times to raise the fluid temperature Standard fluid temperature: 40 to 80°C (104 to 176°F) e Check for foaming or emulsification If foaming or emulsification is identified, bleed air from the power steering system *a Correct *b Incorrect f With the engine idling, measure the fluid level in the oil reservoir g Stop the engine h Wait a few minutes and remeasure the fluid level in the oil reservoir Maximum fluid level increase: mm (0.197 in.) If a problem is found, bleed air from the power steering system i Check the fluid level https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TMHN.html Page of 11/3/17, 10(17 pm *a Engine idling *b Engine stopped *c mm or less 4.CHECK STEERING FLUID PRESSURE a Disconnect the pressure feed tube for 1GR-FE: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1GR-FE)>REMOVAL for 1GD-FTV, 2GD-FTV: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1GD-FTV, 2GD-FTV)>REMOVAL for 1KD-FTV, 2KD-FTV: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1KD-FTV, 2KD-FTV)>REMOVAL for 1TR-FE, 2TR-FE: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1TR-FE, 2TR-FE)>REMOVAL for 5L-E: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 5L-E)>REMOVAL b Connect SST as shown in the illustration below (except 5L-E SST 09640-10011 (09641-01010, 09641-01030, 09641-01040) *A for 1GR-FE *1 Pressure Feed Tube *3 Gasket *a In *2 *b Attachment Out https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TMHN.html Page of 11/3/17, 10(17 pm *A for 1GD-FTV, 2GD-FTV *1 Pressure Feed Tube - *3 Gasket *a In *A for 1KD-FTV, 2KD-FTV *1 Pressure Feed Tube *2 Attachment *a In *b Out *2 *b - Attachment Out - https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TMHN.html Page of 11/3/17, 10(17 pm *A for 1TR-FE, 2TR-FE - *1 Pressure Feed Tube *2 *3 Gasket *a In *b Attachment Out NOTICE: Check that the valve of SST is in the open position c Connect SST as shown in the illustration below (for 5L-E) SST 09640-10011 (09641-01020, 09641-01030) *A for 5L-E - - https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TMHN.html Page of 11/3/17, 10(17 pm *1 Pressure Feed Tube *3 Gasket *a In *2 *b Attachment Out NOTICE: Check that the valve of SST is in the open position d Bleed air from the power steering system NOTICE: Check the level of power steering fluid and refill as necessary e Start the engine and run it at idle f Turn the steering wheel to the left or right full lock position Then turn the steering wheel to the opposite full lock position Repeat this several times to raise the fluid temperature Standard fluid temperature: 40 to 80°C (104 to 176°F) g With the engine idling, close the valve of SST and observe the reading on SST Maximum fluid pressure: for 1GR-FE: 8800 to 9300 kPa (89.8 to 94.8 kgf/cm2, 1276 to 1348 psi) for 1GD-FTV, 2GD-FTV: 9300 to 10000 kPa (94.9 to 101 kgf/cm2, 1349 to 1450 psi) for 1KD-FTV, 2KD-FTV: 8800 to 9300 kPa (89.8 to 94.8 kgf/cm2, 1276 to 1348 psi) for 1TR-FE, 2TR-FE: 8800 to 9300 kPa (89.8 to 94.8 kgf/cm2, 1276 to 1348 psi) for 5L-E: 8300 to 8800 kPa (84.7 to 89.7 kgf/cm2, 1204 to 1276 psi) NOTICE: · · Do not keep the valve closed for more than 10 seconds Do not let the fluid temperature become too high *1 Power Steering Link *2 Oil Reservoir *3 Vane Pump Assembly *a Closed If the pressure is above the maximum, check for fluid leaks and replace parts as necessary h i With the engine idling, fully open the valve Measure the fluid pressure at engine speeds of 1000 rpm and 3000 rpm Standard fluid pressure difference: 490 kPa (4.99 kgf/cm2, 71 psi) or less NOTICE: Do not turn the steering wheel If the pressure difference is not within the specified range, check for fluid leaks and replace parts as necessary *1 Power Steering Link *2 Oil Reservoir *3 Vane Pump Assembly https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TMHN.html Page of 11/3/17, 10(17 pm j With the engine idling and the valve fully opened, turn the steering wheel to the full lock position Maximum fluid pressure: for 1GR-FE: 8800 to 9300 kPa (89.8 to 94.8 kgf/cm2, 1276 to 1348 psi) for 1GD-FTV, 2GD-FTV: 9300 to 10000 kPa (94.9 to 101 kgf/cm2, 1349 to 1450 psi) for 1KD-FTV, 2KD-FTV: 8800 to 9300 kPa (89.8 to 94.8 kgf/cm2, 1276 to 1348 psi) for 1TR-FE, 2TR-FE: 8800 to 9300 kPa (89.8 to 94.8 kgf/cm2, 1276 to 1348 psi) for 5L-E: 8300 to 8800 kPa (84.7 to 89.7 kgf/cm2, 1204 to 1276 psi) NOTICE: · · Do not keep the steering wheel in the lock position for more than 10 seconds Do not let the fluid temperature become too high *a Open *1 Power Steering Link *2 Oil Reservoir *3 Vane Pump Assembly *a Open *b Steering wheel to the full lock position If the pressure is above the maximum, check for fluid leaks and replace parts as necessary k l m Disconnect SST Connect the pressure feed tube for 1GR-FE: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1GR-FE)>INSTALLATION for 1GD-FTV, 2GD-FTV: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1GD-FTV, 2GDFTV)>INSTALLATION for 1KD-FTV, 2KD-FTV: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1KD-FTV, 2KDFTV)>INSTALLATION for 1TR-FE, 2TR-FE: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 1TR-FE, 2TR-FE)>INSTALLATION for 5L-E: Click hereSteering>POWER ASSIST SYSTEMS>VANE PUMP(for 5L-E)>INSTALLATION Bleed air from the power steering system NOTICE: Check the level of power steering fluid and refill as necessary 5.CHECK STEERING RESISTANCE a Center the steering wheel b Remove the steering pad c Start the engine and run it at idle d Measure the steering resistance in both directions Standard steering resistance (Reference): 6.0 N*m (61 kgf*cm, 53 in.*lbf) HINT: The tire type, tire pressure and type of surface beneath the vehicle should be taken into consideration before making your diagnosis e Install the steering pad https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TMHN.html Page of 11/3/17, 10(16 pm POWER ASSIST SYSTEMS POWER STEERING SYSTEM PRECAUTION HANDLING PRECAUTIONS FOR STEERING SYSTEM a Care must be taken when replacing parts Incorrect replacement could affect the performance of the steering system and result in a driving hazard https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000MJSY.html Page of 11/3/17, 10(17 pm POWER ASSIST SYSTEMS POWER STEERING SYSTEM PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms If multiple suspected areas are listed, 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 the suspected areas in the order they are listed Replace parts as necessary Power Steering System Symptom Suspected Area Link Tires (improperly inflated) Power steering fluid level (low) Front wheel alignment (incorrect) Steering system joints (worn) - Suspension arm ball joints (worn) - Power steering vane pump assembly (for 1GR-FE) Hard steering Power steering vane pump assembly (for 1GD-FTV, 2GD-FTV) Power steering vane pump assembly (for 1KD-FTV, 2KD-FTV) Power steering vane pump assembly (for 1TR-FE, 2TR-FE) Power steering vane pump assembly (for 5L-E) Power steering link assembly Tires (improperly inflated) Poor return Front wheel alignment (incorrect) Steering column (binding) - Power steering link assembly Excessive free play Steering system joints (worn) - Suspension arm ball joints (worn) - Intermediate shaft sliding yoke (worn) - Front wheel bearing (for 2WD) Front wheel bearing (for 4WD and Pre-Runner) Power steering link assembly Power steering fluid level (low) Steering system joints (worn) - Power steering vane pump assembly (for 1GR-FE) Power steering vane pump assembly (for 1GD-FTV, 2GD-FTV) Abnormal noise Power steering vane pump assembly (for 1KD-FTV, 2KD-FTV) Power steering vane pump assembly (for 1TR-FE, 2TR-FE) Power steering vane pump assembly (for 5L-E) Power steering link assembly https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000TM5F.html Page of 11/3/17, 10(18 pm POWER ASSIST SYSTEMS VANE PUMP(for 1GD-FTV, 2GD-FTV) DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: · · When using a vise, place aluminum plates between the part and vise When using a vise, not overtighten it PROCEDURE 1.SECURE VANE PUMP ASSEMBLY a 44320 Using a SST, secure the vane pump assembly SST 09630-00014 (09631-00132) 2.REMOVE FLOW CONTROL VALVE a Using a 27 mm socket wrench, remove the pressure port union from the front housing b Using a screwdriver, remove the O-ring from the pressure port union c Remove the flow control valve from the front housing d Remove the flow control valve compression spring from the front housing 3.REMOVE POWER STEERING SUCTION PORT UNION a Remove the bolt and suction port union from the vane pump assembly b Remove the O-ring from the suction port union 44337 4.REMOVE REAR HOUSING a Remove the bolts and rear housing from the front housing https://toyotamanuals.com.au/docs/hilux-service-repair-manual-jul-15-current/N00148/manual/repair/contents/RM100000000MJTA.html Page of