Nissan Sentra B18 (2020-2025) Service Manual: Adjustment

Adjustment

BALANCING WHEELS (ADHESIVE WEIGHT TYPE)

Preparation Before Adjustment

Remove inner and outer balance weights from the wheel. Using releasing agent, remove double-faced adhesive tape from the wheel.

CAUTION:

• Be careful not to scratch the wheel and tire during removal.

• After removing double-faced adhesive tape, wipe clean all traces of releasing agent from the wheel and tire.

Wheel Balance Adjustment

CAUTION:

• DO NOT use center hole cone-type clamping machines to hold the wheel during tire removal/installation or balancing or damage to the wheel paint, cladding or chrome may result. Use only rim-type or universal lug-type clamping machines to hold the wheel during servicing.

• If a balancer machine has an adhesive weight mode setting, select the adhesive weight mode setting and skip Step 2 below. If a balancer machine only has the clip-on (rim flange) weight mode setting, follow Step 2 to calculate the correct size adhesive weight.

1. Set wheel and tire on balancer machine using the center hole as a guide. Start the balancer machine.

2. For balancer machines that only have a clip-on (rim flange) weight mode setting, follow this step to calculate the correct size adhesive weight to use. When inner and outer imbalance values are shown on the balancer machine indicator, multiply outer imbalance value by 5/3 (1.67) to determine balance weight that should be used. Select the outer balance weight with a value closest to the calculated value above and install in to the designated outer position of or at the designated angle in relation to the wheel and tire.

   1. Indicated imbalance value × 5/3 (1.67) = balance weight to be installed

      

      Calculation example:

      23 g (0.81 oz) × 5/3 (1.67) = 38.33 g (1.35 oz) ⇒ 40 g (1.41 oz) balance weight (closer to calculated balance weight value)

      Note:

      Note that balance weight value must be closer to the calculated balance weight value.

      Example:

      37.4 ⇒ 35 g (1.23 oz)

      37.5 ⇒ 40 g (1.41 oz)

   2. Install balance weight in the position shown.

      

      CAUTION:

      • Do not install the inner balance weight before installing the outer balance weight.

      • Before installing the balance weight, be sure to clean the mating surface of the wheel and tire.

      • When installing balance weight (1) to wheel and tire, set it into the grooved area (A) on the inner wall of the wheel and tire as shown so that the balance weight center (B) is aligned with the balancer machine indication position (angle) (C).

        CAUTION:

        • Always use Genuine NISSAN adhesive balance weights.

        • Balance weights are non-reusable; always replace with new ones.

        • Do not install more than three sheets of balance weights.

   3. If calculated balance weight value exceeds 50 g (1.76 oz), install two balance weight sheets in line with each other as shown.

      

      CAUTION:

      Do not install one balance weight sheet on top of another.

3. Start balancer machine again.

4. Install balance weight on inner side of wheel and tire in the balancer machine indication position (angle).

   CAUTION:

   Do not install more than two balance weights.

5. Start balancer machine. Make sure that inner and outer residual imbalance values are 5 g (0.17 oz) each or below.

6. If either residual imbalance value exceeds 5 g (0.17 oz), repeat installation procedures.

BALANCING WHEELS (STEEL WHEEL)

Preparation Before Adjustment

Remove balance weight from the wheel.

Wheel Balance Adjustment

• The details of the adjustment procedure are different for each model of balancer machine. Therefore, refer to each instruction manual.

• If a balancer machine has an adhesive weight mode settings and a drive-in (clip-on rim flange) weight mode setting, select a drive-in weight mode suitable for steel wheels.

1. Set wheel and tire on balancer machine. Start balancer machine.

2. Install balance weight to wheel according to the imbalance and position (angle) displayed on balancer machine.

   CAUTION:

   • Never install three or more balance weights on one side.

   • Always use Genuine NISSAN balance weights.

   • Balance weights are non-reusable; always replace with new ones.

   • Always use a plastic hammer when attaching the weight.

3. Start balancer machine. Check that the inner and outer residual imbalance value is within the allowable imbalance value.

4. If either residual imbalance value exceeds the allowable imbalance value, repeat installation procedures.

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