Upper Arm Ball Joint - Mazda MX-5 1990 Workshop Manual

R
~ ~!
1mm
(0.04 in)
"=
R-18
FRONT SUSPENSION
(DOUBLE.WIS~BONE)
05UORX·039
05UORX·040
05UORX·042
05UORX·043
Removal note
Upper arm ball joint
Separate the upper arm ball jOint from the knuckle with the
SST,
Ball joint dust boot
Remove the dust boot with a chisel.
Caution
• Do not damage the ball jOint stud.
Installation note
Ball jOint dust boot
1 . Press the dust boot on with a 30mm (1 1/8 in) socket until
the dust boot contacts the seat.
Caution
• Install the dust boot squarely and do not press ex-
cessively; the inner metal ring will be deformed if
not done correctly.
2. Verify that the clearance between the boot and the seat is
less than 1 mm (0.04 in),
3. Shake the ball joint stud several times to make sure there
is no grease leakage,
Inspection
Upper arm ball joint
Ball joint rotation torque
1. Shake the ball joint stud 5 times.
2, Connect the SST to the ball stUd, and measure the rota-
tion torque with a pull scale.
Rotation torque:
0.4-1.2 N·m (4-12 em-kg, 3.5-10.0 in-Ib)
Pull seale reading:
3.9-11.8 N (0.4-1.2 kg, 2.9-8.8
Ib)