Power Assisted System (Power Steering): General Description: Specifications
GENERAL DESCRIPTION
| Model | Pick-up | ||||
|---|---|---|---|---|---|
| TURBO model | NON-TURBO model | ||||
| Whole system | Minimum turning radius | m (ft) | 5.6+/-0.5 (18.4+/-1.6) | 5.6+/-0.5 (18.4+/-1.6) | |
| Steering angle (Inside - Outside) | 34.5°+/-1.5° - 30.3°+/-1.5° | 34.5°+/-1.5° - 30.3°+/-1.5° | |||
| Steering wheel diameter | mm (in) | 385 (15.16) | |||
| Overall gear ratio | 19.0 | ||||
| Turns lock to lock | 3.4 | 3.4 | |||
| Gearbox | Type | Rack and pinion, Integral | |||
| Backlash | 0 (Automatically adjustable) | ||||
| Valve (Power steering system) | Rotary valve | ||||
| Pump (Power steering system) | Type | Vane pump | |||
| Oil tank | Installed on body | ||||
| Output | cm3 (cu in)/rev. | 8.5 - 0.6 (0.582 - 0.037) | 7.2 (0.439) | ||
| Relief pressure | kPa (kg/cm2 , psi) | 7,846 (80, 1,138) | 9,807 (100, 1,422) | ||
| Hydraulic fluid control | Dropping in response to increased engine revolutions | ||||
| Hydraulic fluid | l (US qt, Imp qt) | 1,000 rpm: 7 (7.4, 6.2) 3,000 rpm: 5 (5.3, 4.4) |
1,000 rpm: 7 (7.4, 6.2) 3,000 rpm: 5 (5.3, 4.4) |
||
| Range of revolution | 500 - 9,000 | ||||
| Revolving direction | Clockwise | ||||
| Working fluid (Power steering system) | Name | ATF DEXRON IIE or III | |||
| Capacity | Oil tank | l (US qt, Imp qt) | 0.3 (0.3, 0.3) | ||
| Total | l (US qt, Imp qt) | 0.7 (0.7, 0.6) | |||
| Steering wheel | Free play | mm (in) | 17 (0.67) | ||
| Turning angle | Inner tire & wheel | 34.5°+/-1.5° | |||
| Outer tire & wheel | 30.3°+/-1.5° | ||||
| Steering shaft | Clearance between steering wheel and column cover | mm (in) | 3.0 (0.118) | ||
| Steering gearbox (Power steering system) | Sliding resistance | N (kgf, lb) | 304.0 (31.0, 68.4) or less | ||
| Rack shaft play in radial direction | Right-turn steering | mm (in) | 0.15 (0.0059) or less | ||
| Left-turn steering | mm (in) | Horizontal movement: 0.3 (0.012) or less Vertical movement: 0.15 (0.0059) or less |
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| Input shaft play | In radial direction | mm (in) | 0.18 (0.0071) or less | ||
| In axial direction | mm (in) | 0.1 (0.004) or less | |||
| Turning resistance | N (kgf, lb) | Within 30 mm (1.18 in) from rack center in straight ahead position: Less than 11.18 (1.14, 2.51) Maximum allowable value: 12.7 (1.3, 2.9) |
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| Oil pump (Power steering system) | Pulley shaft | Radial play | mm (in) | 0.4 (0.016) or less | |
| Axial play | mm (in) | 0.6 (0.024) or less | |||
| Pulley | Ditch deflection | mm (in) | 1.0 (0.039) or less | ||
| Resistance to rotation | N (kgf, lb | 9.22 (0.94, 2.07) or less | |||
| Regular pressure | kPa (kg/cm2 , psi) | 981 (10, 142) or less | |||
| Relief pressure | kPa (kg/cm2 , psi) | 9,807 (100, 1,422) | |||
| Steering wheel effort (Power steering system) | At standstill with engine idling on a concrete road | N (kgf, lb) | 29.4 (3.0, 6.6) or less | ||
| At standstill with engine stalled on a concrete road | N (kgf, lb) | 294.2 (30, 66.2) or less | |||
MANUFACTURER SPECIFICATION
| Recommended power steering fluid | Manufacturer |
|---|---|
| ATF DEXRON III or equivalent | B.P. |
| CALTEX | |
| CASTROL | |
| MOBIL | |
| SHELL | |
| TEXACO |
CAUTION:
This table lists various clearances that must be correctly adjusted to ensure normal vehicle driving without interfering noise, or any other faults.
LOCATION SPECIFICATION
| Location | Minimum allowance |
|---|---|
| (1) Crossmember - Pipe | 5 mm (0.20 in) |
| (2) DOJ - Shaft or joint | 14 mm (0.55 in) |
| (3) DOJ - Valve housing | 11 mm (0.43 in) |
| (4) Pipe - Pipe | 2 mm (0.08 in) |
| (5) Stabilizer - Pipe | 5 mm (0.20 in) |
| (6) Exhaust pipe - Pipe | 15 mm (0.59 in) |
| (7) Exhaust pipe - Gearbox boot | 15 mm (0.59 in) |
| (8) Side frame - Hose A and B | 15 mm (0.59 in) |
| (9) Cruise control pump - Hose A and B | 15 mm (0.59 in) |
| (10) Pipe portion of hose A - Pipe portion of hose B | 1.5 mm (0.059 in) |
| (11) AT cooling hose - Joint | 20 mm (0.79 in) |