Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Power Steering
POWER STEERING SPECIFICATIONS
| Applied model | QG18DE | QR25DE | ||
|---|---|---|---|---|
| Steering gear type | Rack and Pinion (PR25T) | |||
| Pump type | F40 | |||
| Rack sliding force N (kg, lb) Under normal operating oil pressure |
Range within +/-11.5 mm (+/-0.453 in) from the neutral position at rack speed of 3.5 mm (0.138 in)/s | Average rack sliding force | 140 - 330 (14.3 - 33.6, 31.5 - 74.1) | 160 - 350 (16.3 - 35.7, 36.0 - 78.7) |
| Maximum force deviation | 98 (10, 22) | |||
| Except for the above range | Maximum rack sliding force | 294 (30, 66) | ||
| Maximum force deviation | 147 (15, 33) | |||
| Steering wheel turning force (Measured at one full turn from the neutral position) N (kg, lb) |
39 (4, 9) or less | |||
| Fluid capacity (Approximate l (US qt, Imp qt) | 1.0 (1-1/8, 7/8) | |||
| Oil pump maximum pressure kPa (kg/cm,2 , psi) | 7, 649 - 8, 238 (78 - 84, 1, 109 - 1, 194) | 8, 000 - 8, 800 (82 - 90, 1, 160 - 1, 276) | ||
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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