Nissan Sentra manuals

Nissan Sentra Service Manual: Wheel alignment

Inspection

PRELIMINARY INSPECTION

WARNING:

Always adjust the wheel alignment with the vehicle on a flat surface.

NOTE:

If the wheel alignment is out of specification, inspect and replace any damaged or worn rear suspension parts before making any adjustments.

  1. Check and adjust the wheel alignment with the vehicle under unladen conditions. “Unladen conditions” means that the fuel, engine coolant, and lubricants are full; the spare tire, jack, hand tools and mats are in designated positions.
  2. Check the tires for incorrect air pressure and excessive wear.
  3. Check the wheels for run out and damage. Refer to WT-46, "Inspection".
  4. Check the wheel bearing axial end play. Refer to FAX-6, "Inspection".
  5. Check the shock absorbers for leaks or damage
  6. Check each mounting point of the suspension components for any excessive looseness or damage.
  7. Check each link, arm, and the suspension member for any damage.
  8. Check the vehicle height. Refer to FSU-23, "Wheelarch Height (Unladen*)".

GENERAL INFORMATION AND RECOMMENDATIONS

  1. A Four-Wheel Thrust Alignment should be performed
  1. Make sure the alignment machine is properly calibrated.

THE ALIGNMENT PROCESS

IMPORTANT:

Use only the alignment specifications listed in this Service Manual. Refer to FSU-23, "Wheel Alignment (Unladen*1)".

When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or minus, Go/No Go). Do NOT use these indicators.

Most camera-type alignment machines are equipped with both "Rolling Compensation" method and optional "Jacking Compensation" method to "compensate" the alignment targets or head units.

"Rolling Compensation" is the preferred method.

NOTE:

Do not use the "rolling Compensation" method if you are using sensor-type alignment equipment.

CAMBER, CASTER AND KINGPIN INCLINATION ANGLES INSPECTION

TOTAL TOE-IN INSPECTION

Measure the total toe-in using the following procedure.

WARNING:

  1. Bounce the front of vehicle up and down to stabilize the vehicle height (posture).
  2. Push on the rear wheel to move the vehicle straight ahead about 5 m (16 ft).
  3. Put a mark on base line of the tread (rear side) of both tires at the same height of hub center. These are measuring points.


  1. Measure the distance (A) from the rear side.
  2. Push on the rear wheel to move the vehicle slowly ahead and to rotate the wheels 180 degrees (1/2 turn).

CAUTION:

If the wheels have rotated more than 180 degrees (1/2 turn), try the above procedure again from the beginning. Do not push vehicle backward.

  1. Measure the distance (B) from the front side.


  1. Use the formula below to calculate total toe-in.

Total toe-in : A - B

Total toe-in specification : Refer to FSU-23, "Wheel Alignment (Unladen*1)".

Adjustment

TOTAL TOE-IN

Loosen the steering outer socket. Adjust the length using the steering inner socket.

Toe-in : Refer to FSU-23, "Wheel Alignment (Unladen* 1)".

CAUTION:

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