Caster Adjustment

WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Adjust the caster after adjusting the camber.
If the return angle of the adjusting cam bolt and nut exceeds 360°, replace them with new ones.

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

Courtesy of MAZDA MOTORS CORP.

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

Specification

Vehicle height⁽¹⁾

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°

⁽¹⁾	Vehicle height: From the end of the rear fender to the center of the wheel (mm {IN})

	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 {IN})	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'

Tighten the nut.
Tightening torque

135-165 N.m {14-16 kgf.m, 100-121 ft.lbf}
Adjust the total toe-in. (See TOTAL TOE-IN ADJUSTMENT .)