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FRONT WHEEL ALIGNMENT [DIMENSIONS]

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2016 – MX-5 – Body and Accessories

FRONT WHEEL ALIGNMENT [DIMENSIONS]

Specification (Unloaded Condition)

Item

Specification

Total toe-in

Tire [Tolerance ±4 {0.2}]

(mm )

1.6 {0.063}

Rim inner [Tolerance ±2.8 {0.11}]

1.1 {0.043}

degree

0°09′±20′

Steering angle [Tolerance ±3°]

Inner

37°42′

Outer

32°06′

Steering axis inclination (Reference value)

13°53′

Camber

[Tolerance ±1°]

Vehicle height: From the end of the front fender to the center of the wheel (mm )

350—358 {13.8—14.0}

-0°30′

359—367 {14.2—14.4}

-0°18′

368—376 {14.5—14.8}

-0°07′

377—385 {14.9—15.1}

0°02′

386—394 {15.2—15.5}

0°08′

Caster

[Tolerance ±1°]

Vehicle height: From the end of the rear fender to the center of the wheel (mm )

350—358 {13.8—14.0}

8°18′

359—367 {14.2—14.4}

8°04′

368—376 {14.5—14.8}

7°51′

377—385 {14.9—15.1}

7°38′

386—394 {15.2—15.5}

7°24′

NOTE:

  • Unloaded condition: Fuel tank is full. Engine coolant and engine oil are at specified level. Jack and tools are in designated position.

  • Difference between the left and right camber and caster angles must be within .

Steering Angle Adjustment

1. Loosen the tie-rod end locknuts.

2. Remove the steering gear boot clamp.

3. Rotate the tie rod and adjust the steering angle.

NOTE:

  • The travel distance of the right and left tie rods should be the same.

4. Rotate the tie rod and adjust so that dimension L shown in the figure does not exceed the specification.

    Specification

  • 49.8—63.8 mm {1.97—2.51 in} (difference between left and right: 3 mm {0.1 in} or less)

5. Tighten the tie-rod end locknuts.

    Tightening torque

  • 69—98 N·m {7.1—9.9 kgf·m, 51—72 ft·lbf}

6. Verify that the boot does not have any twisting and install the boot clamp.

7. After steering angle adjustment, always inspect and adjust the total toe-in. (See Total Toe-in Adjustment.)

Camber Adjustment

CAUTION:

  • Adjust the camber before adjusting the caster.

  • When adjusting the camber, abnormal noise may occur if the adjusting cam bolt and nut are reused after removing the adjusting cam bolt installation nut. When adjusting the camber, be careful not to completely remove the adjusting cam bolt installation nut.

    • If the installation nut for the adjusting cam bolt is removed, replace the adjusting cam bolt and nut with new ones.

1. Loosen the installation nut of the adjusting cam bolt on the front side of the front lower arm.

2. Rotate the adjusting cam bolt in either direction to adjust the camber. Specification

Vehicle height*

Camber

350—358 {13.8—14.0}

-0°30′±1°

359—367 {14.2—14.4}

-0°18′±1°

368—376 {14.5—14.8}

-0°07′±1°

377—385 {14.9—15.1}

0°02′±1°

386—394 {15.2—15.5}

0°08′±1°

*
Vehicle height: From the end of the front fender to the center of the wheel (mm )

Left wheel

Right wheel

Positive direction

Clockwise

Counterclockwise

Negative direction

Counterclockwise

Clockwise

NOTE:

  • Refer to the following figure to adjust the angle of the adjusting cam bolts in single increments.

Adjustment table of adjusting cam bolt on front side of front lower arm

Scale

Link movement (mm )

Camber change amount (angle)

1

1.2 mm {0.047 in}

-0°23′

2

2.3 mm {0.091 in}

-0°45′

3

3.2 mm {0.13 in}

-1°03′

4

3.9 mm {0.15 in}

-1°18′

5

4.3 mm {0.17 in}

-1°27′

6

4.5 mm {0.18 in}

-1°30′

3. Tighten the nut.

    Tightening torque

  • 135—165 N·m {14—16 kgf·m, 100—121 ft·lbf}

4. Adjust the front caster angle and total toe-in. (See Caster Adjustment.) (See Total Toe-in Adjustment.)

Caster Adjustment

CAUTION:

  • Adjust the caster after adjusting the camber.

  • When adjusting the caster, abnormal noise may occur if the adjusting cam bolt and nut are reused after removing the adjusting cam bolt installation nut. When adjusting the caster, be careful not to completely remove the adjusting cam bolt installation nut.

    • If the installation nut for the adjusting cam bolt is removed, replace the adjusting cam bolt and nut with new ones.

1. Loosen the installation nut of the adjusting cam bolt on the rear side of the front lower arm.

2. Rotate the adjusting cam bolt in either direction to adjust the caster. Specification

Vehicle height*

Caster

350—358 {13.8—14.0}

8°18′±1°

359—367 {14.2—14.4}

8°04′±1°

368—376 {14.5—14.8}

7°51′±1°

377—385 {14.9—15.1}

7°38′±1°

386—394 {15.2—15.5}

7°24′±1°

*
Vehicle height: From the end of the rear fender to the center of the wheel (mm )

Left wheel

Right wheel

Increase

Clockwise

Counterclockwise

Decrease

Counterclockwise

Clockwise

NOTE:

  • Refer to the following figure to adjust the angle of the adjusting cam bolts in single increments.

Adjustment table of adjusting cam bolt on rear side of front lower arm

Scale

Link movement (mm )

Caster change amount (angle)

1

1.9 mm {0.075 in}

0°34′

2

3.8 mm {0.15 in}

1°05′

3

5.3 mm {0.21 in}

1°32′

4

6.5 mm {0.26 in}

1°53′

5

7.2 mm {0.28 in}

2°06′

6

7.5 mm {0.30 in}

2°11′

3. Tighten the nut.

    Tightening torque

  • 135—165 N·m {14—16 kgf·m, 100—121 ft·lbf}

4. Adjust the total toe-in. (See Total Toe-in Adjustment.)

Total Toe-in Adjustment

1. Loosen the locknut of the tie-rod end.

2. Remove the boot clamp.

3. Adjust the total toe-in by rotating each tie rod (left and right) in the opposite directions by the same amount respectively.

    Specification

  • 1.6±4 mm {0.063±0.2 in} (0°09′±20′)

NOTE:

  • Toe angle changes by approx. 7 mm {0.3 in} in per one rotation of the tie rod for one wheel.

  • Each tie rod has a right-hand thread.

4. Tighten the locknut of the tie-rod end.

    Tightening torque

  • 69—98 N·m {7.1—9.9 kgf·m, 51—72 ft·lbf}

5. Verify that the boot does not have any twisting and install the boot clamp.

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