boot ACURA NSX 1991 Service Service Manual

Removal

1. Remove the front wheel and bearing unit assembly (page 18-15).
2. Remove the splash guard from the knuckle.

SPLASH GUARD

10 N·m

(1.0 kg-m, 7 Ib-ft)

3 Remove the lower control arm guard.

10 N·m

(1.0 kg-m, 7 Ib-ft)

LOWER ARM GUARD
(cont'd)

Corrosion resistant bolt/nut

COTTER

PIN

Replace.

On reassembly, bend

the pin as shown.

CASTLE NUT

44 N·m

(4.4 kg-m, 32 Ib-ft)
BALL JOINT REMOVER, 28 mm

07MAC-SL00200
7. Install a 12 mm hex nut on the ball joint. Be sure

that the hex nut is flush with the ball joint pin end to

prevent damage to the threaded end of the ball

joint.

8. Use the ball joint remover, 07MAC —SL00200 (28
mm), as shown.

Insert the jaws carefully, making sure you do not
damage the ball joint boot. Adjust the jaw spacing

by turning the pressure bolt.

NOTE: If necessary, apply penetrating type lubri-
cant to loosen the ball joint.
PRESSURE BOLT

Apply grease here.

NOTE: Use the ball joint removers, 07MAC-SL00100
(32 mm) and 07MAC —SL00200 (28 mm), to separate
the ball joints from the suspension or steering arm.
CAUTION: Be careful not to damage the ball joint boot. Torque the castle nut to the lower torque specifica-
tion, then tighten it only far enough to align the slot
with the pin hole. Do not align the nut by loosening.
4. Clean any dirt or grease off the ball joint. 5. Remove the cotter pin from the steering arm and remove the nut.
6. Apply grease to the special tool on the areas shown. This will ease installation of the tool andprevent damage to the pressure bolt threads.ProCarManuals.com

Knuckle/Control Arms/Compliance Pivot

Removal (cont'd)

9. Once the tool is in place, turn the adjusting bolt as necessary to make the jaws parallel. Then hand-
tighten the pressure bolt, and recheck the jaws to make sure they are still parallel.

PRESSURE BOLT

ADJUSTING BOLT

10. With a wrench, tighten the pressure bolt until the ball joint shaft pops loose from the steering arm.
Wear eye protection. The ball joint

can break loose suddenly and scatter dirt or other

debris in your eyes.

11. Remove the tool, then remove the nut from the end of the ball joint and pull the ball joint out of thesteering/suspension arm. Inspect the ball joint boot
and replace it if damaged. 12. Remove the cotter pin and lower control arm ball

joint nut.

13. Install the 12 mm hex nut on the ball joint. Be sure
that the 1 2 mm hex nut is flush with the ball joint
pin end, or the threaded section of the ball joint pin
might be damaged by the ball joint remover.
14. Use the ball joint remover, 07MAC-SL00100 (32 mm), as shown on page 18-21 to separate the ball
joint and lower control arm.
NOTE: If necessary, apply penetrating type lubri-
cant to loosen the ball joint.

12 x
1.25
mm

CASTLE NUT
60 N·m

(6.0 kg-m, 43 Ib-ft)

COTTER
PIN

Replace.

On reassembly,

bend the cotter pin as shown.
BALL JOINT

REMOVER, 32 mm

07MAC - SL00100

Corrosion resistant bolt/nut

1 5. Remove the cotter pin and the upper ball joint nut.
1 6. Install the 1 2 mm hex nut on the ball joint. Be sure that the 12 mm hex nut is flush with the ball joint
pin end, or the threaded section of the ball joint pinmight be damaged by the ball joint remover.

17. Use the ball joint remover, 07MAC-SL00100 (32
mm), as shown on page 18-21 to separate the ball
joint and upper arm.
NOTE: If necessary, apply penetrating type lubri-
cant to loosen the ball joint.
BALL JOINT REMOVER, 32 mm

07MAC - SL00100

COTTER

PIN

Replace.

On reassembly,

bend the cotter pin as shown.

CASTLE NUT
12 x
1.25
mm

60 N·m

(6.0 kg-m, 43 Ib-ft)

Corrosion resistant bolt/nutProCarManuals.com

Knuckle/Control Arms/Compliance Pivot

Removal (cont'd)

21. Remove the cotter pin and lower arm ball joint nut.
22. Install the 12 mm hex nut on the ball joint. Be sure that the 1 2 mm hex nut is flush with the ball jointpin end, or the threaded section of the ball joint pin
might be damaged by the ball joint remover.
23. Use the ball joint remover, 07MAC - SL00100 (32 mm), as shown on page 18-21 to separate the ball
joint and compliance pivot.
NOTE: If necessary, apply penetrating type lubri-
cant to loosen the ball joint.
CAUTION: Avoid damaging the ball joint boot.

CASTLE NUT
12 x
1.25
mm

60 N·m

(6.0 kg-m, 43 Ib-ft)

COTTER

PIN

Replace.

On reassembly,

bend the cotter pin

as shown.

BALL JOINT REMOVER, 32 mm

07MAC-SL00100

Corrosion resistant bolt/nut

24. Remove the lower control arm by removing the ad-
justing bolt.

SELF-LOCKING NUT
12 x
1.25
mm

Replace.
125 N·m

(12.5 kg-m, 90 Ib-ft)

ADJUSTING CAM

LOWER CONTROL ARM ASSEMBLY

ADJUSTING

BOLT

Corrosion resistant bolt/nut
Corrosion resistant bolt/nut

FLANGE BOLT

8 x
1.25
mm

23 N·m

(2.3 kg-m, 17 Ib-ft)
FLANGE BOLT

12 x 1.25 mm

60 N·m

(6.0 kg-m, 43 Ib-ft)

COMPLIANCE PIVOT

ASSEMBLY

STABILIZER

BAR

28. Remove the stabilizer bar bracket from the com-
pliance pivot.

29. Remove the three lower compliance pivot bolts.
Corrosion resistant bolt/nut

BALL JOINT REMOVER, 32 mm

07MAC-SL00100
COTTER PIN

Replace.

On reassembly,
bend the cotter

pin as shown.

CASTLE NUT

12 x
1.25
mm

60 N·m
(6.0 kg-m, 43 Ib-ft)

25. Remove the cotter pin and upper arm ball joint nut.
26. Install the 12 mm hex nut on the ball joint. Be sure that the 12 mm hex nut is flash with the ball joint
pin end, or the threaded section of the ball joint pin
might be damaged by the ball joint remover.
27. Use the ball joint remover, 07MAC - SL00100 (32 mm), as shown on page 18-21 to separate the ball
joint and compliance pivot.
NOTE: If necessary, apply penetrating type lubri-
cant to loosen the ball joint.
CAUTION: Avoid damaging the ball joint boot.ProCarManuals.com

Knuckle/Control Arms

Removal

1. Remove the rear wheel and bearing unit assembly (page 18-31).
2. Remove the splash guard from the knuckle.

SPLASH GUARD

3. Remove the cotter pin from the castle nut of the
toe control arm.

4. Install the 10 mm hex nut on the ball joint. Be sure
that the 10 mm hex nut is flush with the ball joint

pin end, or the threaded section of the ball joint pin
might be damaged by the ball joint remover.

5. Use the ball joint remover, 07MAC - SL00200 (28
mm), as shown on page 18 -21 to separate the ball

joint and toe control arm.

CAUTION: Be careful not to damage the ball joint

boot.
CASTLE NUT 10 x 1.25 mm

44 N·m

(4.4 kg-m, 32 Ib-ft)

COTTER PIN
Replace.

On reassembly,

bend the cotter pin as shown.
BALL JOINT REMOVER, 28 mm

07MAC-SL00200

TOE CONTROL ARM

Corrosion resistant bolt/nut
STABILIZER

LINK

SELF-LOCKING NUT

12 x
1.25
mm

Replace.

85 N·m

(8.5 kg-m, 61 Ib-ft)

REAR

DAMPER

Corrosion resistant bolt/nut

7. Remove the stabilizer link from the stabilizer bar
and knuckle.
Corrosion resistant bolt/nut
Hold.

DAMPER MOUNTING

NUT

12 x
1.25
mm

Replace

95 N·m

(9.5 kg-m,

67 Ib-ft)

6. Hold the stabilizer link with the wrench and remove
the damper mounting nut.ProCarManuals.com

8. Remove the cotter pin from the castle nut of the

lower control arm ball joint and remove the nut.

9. Install the 12 mm hex nut on the ball joint. Be sure
that the 12 mm hex nut is flush with the ball joint

pin end, or the threaded section of the ball joint pin
might be damaged by the ball joint remover.

10. Use the ball joint remover, 07MAC-SL00100 (32
mm), as shown on page 18-21 to separate the ball
joint and lower control arm.
CAUTION: Avoid damaging the ball joint boot.

BALL JOINT

REMOVER, 32 mm

07MAC-SL00100

CASTLE NUT 12 x 1.25 mm

60 N.m

(6.0 kg-m, 43 Ib-ft)

COTTER PIN

Replace.

On reassembly,

bend the cotter

pin as shown.

Corrosion resistant bolt/nut

11. Remove the cotter pin from the castle nut of the
upper control arm ball joint and remove the nut.

12. Install the 12 mm hex nut on the ball joint. Be sure
that the 12 mm hex nut is flush with the ball joint
pin end, or the threaded section of the ball joint pin

might be damaged by the ball joint remover.

13. Use the ball joint remover, 07MAC—SL00100 (32
mm), as shown on page 18-21 to separate the ball

joint and upper control arm.

CAUTION: Avoid damaging the ball joint boot.

BALL JOINT REMOVER. 32 mm

07MAC-SL00100

COTTER PIN
Replace.

On reassembly

bend the cotterpin as shown.

CASTLE NUT
12 x
1.25
mm

60N.m

(6.0 kg-m, 43 Ib-ft)

Corrosion resistant bolt/nut
(cont'd)

REAR

KNUCKLE

1 5. Remove the knuckle assembly from the lower con-

trol arm.
NOTE: Tie plastic bags over the driveshaft ends.
UPPER ARM

14. Separate the knuckle from the upper control arm

and driveshaft outboard joint.

NOTE: Do not remove the driveshafts from the dif-
ferential case or intermediate shaft.ProCarManuals.com