ACURA CSX 2006 Service Repair Manual

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) Rear Suspension
18-4Front and Rear Suspension
Component Location Index (cont’d)
STABILIZER BAR
TRAILING ARM DAMPER
KNUCKLE/
HUB BEARING UNIT
SPRING
UPPER ARM STABILIZER LINK
WHEEL BOLT
Replacement, page 18-38
Removal/Installation, page 18-36 Removal, page 18-40
Inspection, page 18-41
Installation, page 18-41
Hub Bearing Unit Replacement, page 18-32
Knuckle Replacement, page 18-33
Removal, page 18-43
Installation, page 18-44
Removal/Installation, page 18-35 Removal/Installation, page 18-37
Replacement, page 18-11
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Pre-Alignment Checks
Caster Inspection
Tire size (’06-08 models):Except Type S model:Front/Rear: P205/55R16 89H
Type S model: Front/Rear: P215/45R17 87V
Tire size (’09 model): Front/Rear: P215/45R17 87V
Tire Pressure (’06-08 models) (at cold): Except Type S model:Front/Rear: 220 kPa (2.2 kgf/cm , 32 psi)
Type S model: Front/Rear: 230 kPa (2.3 kgf/cm , 33 psi)
Tire Pressure (’09 model) (at cold): Front/Rear: 230 kPa (2.3 kgf/cm , 33 psi) Caster angle: 7 ° 00 ’ 1 °
2
2
2
18-5
Wheel Alignment
The suspension can be adjusted for front camber, front
toe, and rear toe. However, each of these adjustments
are related to each other. For example, when you adjust
camber, the toe will change. Therefore, you must adjust
the front wheel alignment whenever you adjust camber
or toe.
For proper inspection and adjustment of the wheel
alignment, do these checks: 1. Release the parking brake to avoid an incorrect measurement.
2. Make sure the suspension is not modified.
3. Make sure the fuel tank is full, and that the spare tire, the jack, and the tools are in place on the
vehicle.
4. Check the tire size and tire pressure.
5. Check the runout of the wheels and tires (see page 18-9). 6. Check the suspension ball joints (Hold a tire with
your hands, and move it up and down and right and
left to check for movement).
7. Before doing alignment inspections, be sure to remove all extra weight from the vehicle, and no
one should be inside the vehicle (driver or
passengers).
8. Bounce the vehicle up and down several times to stabilize the suspension.
9. Check that the steering column is set at the center tilt and telescopic position.
Use commercially available computerized four wheel
alignment equipment to measure wheel alignment
(caster, camber, toe, and turning angle). Follow the
equipment manufacturer’s instructions. 1. Check the caster angle.
 If the measurement is within specifications,measure the camber angle.
 If the measurement is not within specifications, check for bent or damaged suspension
components.
(cont’d)
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Camber Inspection Front Camber Adjustment
Camber angle:
Front: 0 ° 00 ’ 30 ’
(Maximum difference between the front right and left
side: 0 ° 35 ’) Rear (without ‘‘C’’ marks on the upper arm):1°30’
Rear (with ‘‘C’’ marks on the upper arm): 0°45’
1° 05 ’ 0° 45 ’
1° 05 ’ 0° 45 ’
18-6Front and Rear Suspension
Wheel Alignment (cont’d)
A
Damper pinch bolt Adjusting bolt set:
P/N 04512-SNA-305
A
14x1.5mm
90 N·m
(9.2 kgf·m,
67 lbf·ft)
Use commercially available computerized four wheel
alignment equipment to measure wheel alignment
(caster, camber, toe, and turning angle). Follow the
equipment manufacturer’s instructions.1. Check the camber angle. NOTE: There are two types of rear upper arms. Those that are marked with ‘‘C’’ (A), and those with no
marks. Be sure to use the correct alignment
specifications.
 If the measurement is within specification, measure the toe-in.
 If the measurement for the front camber is outside the specification, go to front camber
adjustment.
 If the measurement for the rear camber is outside the specification, check for bent or damaged
suspension components. The front camber can be adjusted by exchanging one or
both of the damper pinch bolts with a smaller diameter
adjusting bolt. The difference between the adjusting
bolt diameter and the pinch bolt hole diameter allows
for a small range of adjustment.
1. Raise the front of the vehicle, and support it with safety stands in the proper locations (see page
1-11).
2. Remove the front wheels.
3. Loosen the damper pinch bolts (A), and adjust the camber angle by moving the bottom of the damper
within the range of the damper pinch bolt free play.
4. Tighten the damper pinch bolts to the specified torque.
5. Clean the mating surfaces of the brake disc and the inside of the wheel, then install the front wheels.
6. Lower the vehicle to the ground, and bounce the front of the vehicle up and down several times to
stabilize the suspension.
Replace.
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Front Toe Inspection/Adjustment
Front toe-in: 0 2 mm (0 0.08 in.)
18-7
B
A
14x1.5mm
90 N·m
(9.2 kgf·m,
67 lbf·ft)A
14x1.5mm
44 N·m (4.5 kgf·m, 33 lbf·ft)
BC
7. Measure the camber angle.
 If the measurement is within specification,measure the toe.
 If the measurement is not within specification, go to step 8.
8. Raise the front of the vehicle, and support it with safety stands in the proper locations (see page
1-11).
9. Remove the front wheels.
10. Replace the damper pinch bolts with the adjusting bolts (A), and adjust the camber angle.
NOTE: Install the washers (B) included adjusting bolt set between the front damper and self-locking nut.
 The camber angle can be adjusted up to 25 ’ (center of tolerance) by replacing one damper
pinch bolt with the adjusting bolt.
 The camber angle can be adjusted up to 50 ’ by replacing both damper pinch bolts with the
adjusting bolts.
11. Tighten the adjusting bolts to the specified torque value.
12. Clean the mating surfaces of the brake disc and the inside of the wheel, then install the front wheels.
13. Lower the vehicle to the ground, and bounce the front of the vehicle up and down several times to
stabilize the suspension.
14. Measure the camber angle. If the camber angle is not within specification, repeat steps 8 through 13
to readjust the camber angle. If the camber
measurement is correct, measure toe-in, and adjust
it if necessary. Use commercially available computerized four wheel
alignment equipment to measure wheel alignment
(caster, camber, toe, and turning angle). Follow the
equipment manufacturer’s instructions.
1. Set the steering column to the middle tilt and center telescopic positions. Center the steering
wheel spokes, and install a steering wheel holder
tool.
2. Check the toe with the wheels pointed straight ahead.
 If adjustment is required, go to step 3.
 If no adjustment is required, go to rear toe inspection/adjustment.
3. Loosen the tie-rod locknuts (A) while holding the flat surface sections (B) of the tie-rod end with a
wrench, and turn both tie-rods (C) until the front toe
is within specifications.
4. After adjusting, tighten the tie-rod locknuts to the specified torque value. Reposition the rack-end
boot if it is twisted or displaced.
5. Go to rear toe inspection/adjustment.
(cont’d)
Replace.Replace.
Replace.
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Rear Toe Inspection/Adjustment Turning Angle Inspection
Rear toe-in: 2 mm (0.08 in.) Turning angle:
Inward wheel: 38 ° 46 ’ 2 °
Outward wheel (reference): 31 ° 14 ’2 1 0.08
0.04
18-8Front and Rear Suspension
Wheel Alignment (cont’d)
A
B
C
Except Type S model:
12x1.25mm
69 N·m
(7.0 kgf·m, 51 lbf·ft)
Type S model:
12x1.25mm
74 N·m
(7.5 kgf·m, 54 lbf·ft)
Use commercially available computerized four wheel
alignment equipment to measure wheel alignment
(caster, camber, toe, and turning angle). Follow the
equipment manufacturer’s instructions.
1. Release the parking brake to avoid an incorrect measurement.
2. Check the toe.
 If adjustment is required, go to step 3.
 If no adjustment is required, go to turning angleinspection.
3. Hold the adjusting bolt (A) on the trailing arm (B), and loosen the self-locking nut (C).
4. Replace the self-locking nut with a new one, and lightly tighten it.
NOTE: Always use a new self-locking nut whenever it has been tightened to the specified torque.
 Reassemble the adjusting bolt and the adjusting cam plate with the eccentric facing up.
5. Adjust the rear toe by turning the adjusting bolt until the toe is correct.
6. Tighten the self-locking nut to the specified torque value while holding the adjusting bolt. Use commercially available computerized four wheel
alignment equipment to measure wheel alignment
(caster, camber, toe, and turning angle). Follow the
equipment manufacturer’s instructions.
1. Turn the wheel right and left while applying the brake, and measure the turning angle of both
wheels.
2. If the measurement is not within the specifications, even up both sides of the tie-rod threaded section
length while adjusting the front toe. If it is correct,
but the turning angle is not within the
specifications, check for bent or damaged
suspension components.
Replace.
Replace.
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Front
Rear
Wheel bearing end play:
Front/Rear: 0 0.05 mm (0 0.002 in.) Front and rear wheel axial runout:
Standard: 0 0.7 mm (0 0.03 in.)
Service limit: 2.0 mm (0.08 in.)
18-918-9
Wheel Bearing End Play Inspection Wheel Runout Inspection
A
108 N·m
(11.0 kgf·m, 79.6 lbf·ft)
A
108 N·m
(11.0 kgf·m, 79.6 lbf·ft)
1. Raise the vehicle, and support it with safety stands
in the proper locations (see page 1-11).
2. Remove the wheels.
3. Install suitable flat washers (A) and the wheel nuts. Tighten the nuts to the specified torque to hold the
brake disc securely against the hub.
4. Attach the dial gauge. Place the dial gauge against the hub flange.
5. Measure the bearing end play while moving the brake disc inward and outward.
6. If the bearing end play measurement is more than the standard, replace the wheel bearing or the hub
bearing unit. 1. Raise the vehicle, and support it with safety stands
in the proper locations (see page 1-11).
2. Check for bent or deformed wheels.
3. Set up the dial gauge as shown, and measure the axial runout by turning the wheel.
(cont’d)
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Front and rear wheel radial runout:
Standard: 0 0.7 mm (0 0.03 in.)
Service limit: 1.5 mm (0.06 in.) Special Tools Required
Front
18-1018-10Front and Rear Suspension
Wheel Runout Inspection (cont’d) Wheel Bolt Replacement
Press
A
B
C C
4. Reset the dial gauge to the position shown, and
measure the radial runout.
5. If the wheel runout is not within the specification, check the wheel bearing end play (see page 18-9),
and make sure the mating surfaces on the brake
disc and the inside of the wheel are clean.
6. If the bearing end play is within the specification but the wheel runout is more than the service limit,
replace the wheel. Ball joint remover, 28 mm 07MAC-SL0A202
 Do not use a hammer or impact tools (pneumaticor electric) to remove and install the wheel bolts.
 Be careful not to damage the threads of the wheel bolts.
1. Remove the front hub (see page 18-15).
2. Separate the wheel bolt (A) from the hub (B) using a hydraulic press. Support the hub with hydraulic
press attachments (C) or equivalent tools.
NOTE: Before installing the new wheel bolt, clean
the mating surfaces, on the bolt and the hub.
3. Insert the new wheel bolt into the hub while aligning the splined surfaces on the hub hole with
the wheel bolt.
NOTE: Degrease all around the wheel bolt.
 Make sure the wheel bolt is installed vertically in relation to the hub disc surface.
4. Install the wheel bolt using a hydraulic press until the wheel bolt shoulder is fully seated.
5. Install the front hub (see page 18-15). NOTE: If you cannot tighten the wheel nut to the
specified torque value when installing the wheel,
replace the front hub as an assembly.
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Front and rear wheel radial runout:
Standard: 0 0.7 mm (0 0.03 in.)
Service limit: 1.5 mm (0.06 in.) Special Tools Required
Front
18-1018-10Front and Rear Suspension
Wheel Runout Inspection (cont’d) Wheel Bolt Replacement
Press
A
B
C C
4. Reset the dial gauge to the position shown, and
measure the radial runout.
5. If the wheel runout is not within the specification, check the wheel bearing end play (see page 18-9),
and make sure the mating surfaces on the brake
disc and the inside of the wheel are clean.
6. If the bearing end play is within the specification but the wheel runout is more than the service limit,
replace the wheel. Ball joint remover, 28 mm 07MAC-SL0A202
 Do not use a hammer or impact tools (pneumaticor electric) to remove and install the wheel bolts.
 Be careful not to damage the threads of the wheel bolts.
1. Remove the front hub (see page 18-15).
2. Separate the wheel bolt (A) from the hub (B) using a hydraulic press. Support the hub with hydraulic
press attachments (C) or equivalent tools.
NOTE: Before installing the new wheel bolt, clean
the mating surfaces, on the bolt and the hub.
3. Insert the new wheel bolt into the hub while aligning the splined surfaces on the hub hole with
the wheel bolt.
NOTE: Degrease all around the wheel bolt.
 Make sure the wheel bolt is installed vertically in relation to the hub disc surface.
4. Install the wheel bolt using a hydraulic press until the wheel bolt shoulder is fully seated.
5. Install the front hub (see page 18-15). NOTE: If you cannot tighten the wheel nut to the
specified torque value when installing the wheel,
replace the front hub as an assembly.
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Rear
Limited torque:
108 N·m (11.0 kgf·m, 79.6 lbf·ft) max.
18-11
A
B
D
F
E
C
07MAC-SL0A202 A
B
C
E G
F
D
11 14 mm
(0.43 0.55 in.)
1. Raise the vehicle, and support it with safety stands
in the proper locations (see page 1-11).
2. Remove the rear brake disc (see page 19-34).
3. Separate the wheel bolt (A) from the hub (B) using the ball joint remover (C), and keep the jaw (D) of
ball joint remover vertical against the wheel bolt
(see page 18-12).
NOTE: If the angle of the remover against the wheel bolt is not square, readjust the ball joint remover by
turning the head (E) of the adjusting bolt (F).
 Before installing the new wheel bolt, clean the mating surfaces on the bolt and the hub. 4. Insert the new wheel bolt (A) into the hub (B) while
aligning the splined surfaces (C) on the hub hole
with the wheel bolt. Adjust the measurement (D)
with washers (P/N 94101-12800 or equivalent) (E),
then install a nut (P/N 90304-SC2-000 or equivalent)
(F) hand-tight.
NOTE: Degrease all around the wheel bolt and the threaded section of the nut.
 Make sure the wheel bolt is installed vertically in relation to the hub disc surface.
 Do not install the nut and washers that have been used as tools on a vehicle.
5. Tighten the nut until the wheel bolt is drawn fully into the hub. Do not exceed the maximum torque
limit. Make sure there is no gap (G) between the
bolt and the hub.
6. Install the rear brake disc (see page 19-34). NOTE: If you cannot tighten the wheel nut to the specified torque value when installing the wheel,
replace the rear hub bearing unit as an assembly.
 Before installing the wheel, clean the mating surfaces of the brake disc and the inside of the
wheel.
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Special Tools Required
18-12
Front and Rear Suspension
Ball Joint Removal
B
A 07AAF-SDAA100 or
071AF-S3VA000
A B
07MAC-SL0A102 or
07MAC-SL0A202 (Multipurpose) C
D
B
07MAC-SL0A102 or
07MAC-SL0A202
A
E
 Ball joint thread protector, 12 mm 07AAF-SDAA100
 Ball joint thread protector, 14 mm 071AF-S3VA000
 Ball joint remover, 32 mm 07MAC-SL0A102
 Ball joint remover, 28 mm 07MAC-SL0A202
Always use a ball joint remover to disconnect a ball
joint. Do not strike the housing or any other part of
the ball joint connection to disconnect it.
1. Install a hex nut (A) or the ball joint thread protector onto the threads of the ball joint (B).
NOTE: Using a hex nut, make sure the nut is flush
with the ball joint pin end to prevent damage to the
threaded end of the ball joint pin.
2. Apply grease to the ball joint remover on the areas shown (A). This will ease the installation of the tool,
and prevent damage to the pressure bolt (B)
threads. 3. Loosen the pressure bolt (A), and install the ball
joint remover as shown. Insert the jaws carefully,
making sure not to damage the ball joint boot.
Adjust the jaw spacing by turning the adjusting bolt
(B).
NOTE: Fasten the safety chain (C) securely to a
suspension arm or the subframe (D). Do not fasten
it to a brake line or wire harness.
4. After adjusting the adjusting bolt, make sure the head of the adjusting bolt is in the position shown
to allow the jaw (E) to pivot.
5. With a wrench, tighten the pressure bolt until the ball joint pin pops loose from the ball joint
connecting hole. If necessary, apply penetrating
type lubricant to loosen the ball joint pin.
NOTE: Do not use pneumatic or electric tools on
the pressure bolt.
6. Remove the ball joint remover, then remove the nut from the end of the ball joint pin, and pull the
ball joint out of the ball joint connecting hole.
Inspect the ball joint boot, and replace it if
damaged.
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