ACURA CSX 2006 Service Repair Manual


18-78TPMS
Tire Pressure Sensor Replacement (cont’d)
A
BC
D
4N·m
(0.4 kgf·m, 3 lbf·ft)
F
E
OUT SIDE
WHEEL CENTER F
E EA
B
C
1. Before installing the tire pressure sensor, clean the
mating surfaces on the sensor and the wheel.
2. Install the tire pressure sensor (A) and the washer (B) to the wheel (C), and tighten the valve stem nut
(D) finger tight. Make sure the pressure sensor is
restingonthewheel.
NOTE: Install the tire pressure sensor so that
sensor housing surface (E) should not exceed
protrusion (F) of wheel to prevent the sensor
housing from being caught on the bead of the tire
when assembling the tire.
3. Tighten the valve stem nut to the specified torque while holding the tire pressure sensor.
NOTE: Do not use air or electric impact tools to tighten a valve stem nut.
 Do not twist the tire pressure sensor to adjust its position with the wheel, as this will damage or
deform the valve stem grommet. 4. Lube the tire bead sparingly with a paste-type tire
mounting lubricant, and position the wheel so the
tire machine (A) and tire iron (B) are next to the
valve stem (C) and will move away from it when
the machine starts. Then install the tire onto the
wheel.
5. With a dry air source, inflate the tire to 300 kPa (3.1 kgf/cm , 44 psi) to seat the tire bead to the rim,
then adjust the tire pressure (see page 18-5), then
install the valve stem cap.
NOTE: Make sure the tire bead is seated on both
sides of the rim uniformly.
6. Check and adjust the wheel balance, then install the wheels on the vehicle.
7. Remove the jack stands, and lower the vehicle. Torque the wheel nuts to specification.
8. Connect the HDS, and memorize the tire pressure sensor IDs using the TPMS sensor initializer tool
(see page 18-52).
2
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Brakes
Conventional Brake Components......................
......................
ABS (Anti-lock Brake System)
Components (’06-07 Models) . 19-47
......................
......................
VSA (Vehicle Stability Assist) System
Components (’07-09 Models) . 19-95
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Special Tools . 19-2
Component Location Index . 19-3
Brake System Inspection and Test . 19-4
Symptom Troubleshooting . 19-5
Brake Pedal and Brake Pedal Position Switch
Adjustment . 19-6
Parking Brake Inspection and Adjustment . 19-7
Brake System Bleeding . 19-9
Brake System Indicator Circuit Diagram . 19-10
Parking Brake Switch Test . 19-11
Brake Fluid Level Switch Test . 19-11
Front Brake Pad Inspection and Replacement . 19-12
Front Brake Disc Inspection . 19-19
Front Brake Disc Replacement . 19-21
Front Brake Caliper Overhaul . 19-22
Master Cylinder Replacement . 19-24
Master Cylinder Inspection . 19-25
Brake Booster Test . 19-26
Brake Booster Replacement . 19-27
Rear Brake Pad Inspection and Replacement . 19-29
Rear Brake Disc Inspection . 19-32
Rear Brake Disc Replacement . 19-34
Rear Brake Caliper Overhaul . 19-35
Brake Pedal Replacement . 19-36
Brake Hose and Line Inspection . 19-37
Brake Hose Replacement . 19-38
Parking Brake Cable Replacement . 19-40
Parking Brake Lever Grip and Cover Replacement . 19-41
Brake Pedal Cover Replacement . 19-45
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%)Ref. No. Tool Number Description Qty
19-2
Conventional Brake Components
Special Tools
07AAE-SEPA101
Brake Caliper Piston Compressor 1
07AAG-SVBA100 Guide PinTool 1
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19-3
Component Location Index
BRAKE SYSTEM INDICATOR BRAKE HOSE and LINE
REAR BRAKE
FRONT BRAKE PARKING BRAKE
BRAKE BOOSTER
MASTER CYLINDER
BRAKE PEDAL
Circuit Diagram, page 19-10
Parking Brake Switch Test, page 19-11
Brake Fluid Level Switch Test, page 19-11
Inspection, page 19-37
Brake Hose Replacement, page 19-38
Pad Inspection andReplacement, page 19-29
Disc Inspection, page 19-32
Disc Replacement, page 19-34
Caliper Overhaul, page 19-35
Pad Inspection and Replacement,
page 19-12
Disc Inspection, page 19-19
Disc Replacement, page 19-21
Caliper Overhaul, page 19-22 Inspection and Adjustment, page 19-7
Cable Replacement, page 19-40
Lever Grip and Cover Replacement,
page 19-41
Test, page 19-26
Replacement, page 19-27
Brake System Bleeding,
page 19-9
Replacement, page 19-24
Inspection, page 19-25
Brake Pedal and Brake PedalPosition Switch Adjustment,
page 19-6
Replacement, page 19-36
Cover Replacement, page 19-45
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) Component Inspections:Component Procedure Also check for
Brake pedal sinks/fades when braking
Brake System Test
19-4 Conventional Brake Components
Brake System Inspection and Test
Inspect the brake system components listed. Repair or replace any parts that are leaking or damaged.










Master Cylinder Look for damage or signs of fluid leakage at:
Reservoir tank, subreservoir or master
cylinder body.
Lines, reservoir tank hose and grommets,
and their joints.
Between master cylinder and booster. Bulging seal at reservoir cap. This is a
sign of fluid contamination.
Brake Hoses Look for damage or signs of fluid leakage at: Line joints and banjo bolt connections.
Hoses and lines, also inspect for twisting or
damage. Bulging, twisted, or bent lines.
Caliper Look for damage or signs of fluid leakage at: Piston seal.
Banjo bolt connections.
Bleed screw. Seized or sticking caliper pins.
ABS or VSA
Modulator-control
Unit Look for damage or signs of fluid leakage at:
Line joints.
Modulator-control unit.
1. Set the parking brake, and start the engine, then turn off the A/C. Allow the engine to warm up to normal operating temperature (radiator fan comes on twice).
2. Attach a 50 mm (2 in.) piece of masking tape along the bottom of the steering wheel, and draw a horizontal reference mark across it.
3. With the transmission in neutral (M/T) or P or N (A/T), press and hold the brake pedal lightly (about the same pressure needed to keep an A/T-equipped vehicle from creeping), then release the parking brake.
4. While still holding the brake pedal, hook the end of the tape measure behind the brake pedal, then pull the tape up to the steering wheel. Note the measurement between the brake pedal and the reference mark on the steering
wheel.
5. Apply steady pressure to the brake pedal for 3 minutes.
6. Watch the tape measure.  If the measurement increases 10 mm (0.39 in.) or less, the master cylinder is OK.
 If the measurement increases more than 10 mm (0.39 in.), replace the master cylinder.
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µ
µ
µ
µ
µ
µ µ
µ
µ
µ
Rapid brake pad wear, vehicle vibration
(after a long drive), or high, hard brake pedal
YES
NO
YES
NO
YES
NO YES
NO
YES
NO
19-5
Symptom Troubleshooting
NOTE: Make sure that the caliper pins are installed
correctly.
Upper caliper pin B and lower caliper pin A are different.
If the pins are installed in the wrong location, it will
cause vibration, uneven or rapid pad wear, and
possibly uneven tire wear. For proper caliper pin
location: Except Type S model (see page 19-22), Type S
model (see page 19-23).
1. Drive the vehicle until the brakes drag or until the pedal is high and hard. This can take 20 or more
brake pedal applications during an extended test-
drive.
2. With the engine running, raise the vehicle on a lift, and spin all four wheels by hand.
Go to step 3.
Look for other causes of pad wear, high pedal,
or vehicle vibration.
3. Turn the ignition switch to LOCK (0), press the brake pedal several times to deplete the vacuum in
the brake booster, and then spin the wheels again
to check for brake drag.
Go to step 4.
Replace the brake booster (see page 19-27).
4. Without removing the brake lines, unbolt and separate the master cylinder from the brake
booster, then spin the wheels to check for brake
drag.
Go to step 5.
Check the brake pedal position switch
adjustment, and pedal free play (see page 19-6). 5. Loosen the hydraulic lines at the master cylinder,
then spin the wheels to check for brake drag.
Go to step 6.
Check the master cylinder reservoir for
contamination in the brake fluid. If you find
contamination, flush the entire brake system of all
contaminated fluid. If the brake fluid is OK, replace
themastercylinder(seepage19-24).
6. Loosen the bleed screws at each caliper, then spin the wheels to check for brake drag.
Check the master cylinder reservoir for
contamination in the brake fluid. If you find
contamination, flush the entire brake system of all
contaminated fluid. If the brake fluid is OK,
disassemble and repair the caliper, on the wheel(s)
with brake drag.
Look for and replace any damaged brake lines.
If all brake lines are OK, replace the ABS or VSA
modulator-control unit: ABS (see page 19-90), VSA
(see page 19-171).
I s t her e br ak e d r ag at any of t he w heel s?
I s t her e br ak e d r ag at any of t he w heel s?I s t her e br ak e d r ag at any of t he w heel s? I s t her e br ak e d r ag at any of t he w heel s?
I s t her e br ak e d r ag at any of t he w heel s?
08/08/21 15:00:49 61SNR030_190_0005
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Pedal Height
Standard pedal height (with carpet removed): M/T: 153 mm (6.02 in.)
A/T: 158 mm (6.22 in.) Brake Pedal Position Switch Clearance
19-6Conventional Brake Components
Brake Pedal and Brake Pedal Position Switch Adjustment
A
B
B C
90 ° A
15 N·m
(1.5 kgf·m,
11 lbf·ft)B
Lower
the pedal Raise
the pedal
A
B
0.7 mm (0.028 in.)
1. Turn the brake pedal position switch (A) counterclockwise, and pull it back until it is no
longer touching the brake pedal.
2. Pull back the carpet, and find the cutout in the insulation. Measure the pedal height (B) at the
middle of the left side center of the pedal pad (C) to
the floor without the insulation. 3. Loosen the pushrod locknut (A), and screw the
pushrod (B) in or out with pliers until the standard
pedal height from the floor is reached. After
adjustment, tighten the locknut firmly. Do not
adjust the pedal height with the pushrod pressed.
4. Lift up on the brake pedal by hand. Push in the brake pedal position switch until its plunger is fully
pressed (threaded end (A) touching the pad (B) on
the pedal arm). Turn the switch 45 ° clockwise to
lock it. The gap between the brake pedal position
switch and the pad is automatically adjusted to
0.7mm(0.028in.)bylockingtheswitch.Makesure
the brake lights go off when the pedal is released.
5. Check the brake pedal free play.
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Pedal Free Play
Inspection
Free play: 1 5 mm (0.04 0.20 in.) Lever locked clicks: 8 to 10
19-719-7
Parking Brake Inspection and
Adjustment
B
A C
Pulled back with
196 N (20 kgf, 44 lbf)
A
1. With the ignition switch in LOCK (0), inspect theplay (A) at the pedal pad (B) by pushing the pedal
by hand. If the brake pedal free play is out of
specification, adjust the brake pedal position switch
(C). If the brake pedal free play is insufficient, it
may result in brake drag. 1. Pull the parking brake lever (A) with 196 N (20 kgf,
44 lbf) of force to fully apply the parking brake. The
parking brake lever should be locked within the
specified number of clicks.
2. If the number of lever clicks is not as specified, adjust the parking brake.
(cont’d)
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µµ
Pedal Free Play
Inspection
Free play: 1 5 mm (0.04 0.20 in.) Lever locked clicks: 8 to 10
19-719-7
Parking Brake Inspection and
Adjustment
B
A C
Pulled back with
196 N (20 kgf, 44 lbf)
A
1. With the ignition switch in LOCK (0), inspect theplay (A) at the pedal pad (B) by pushing the pedal
by hand. If the brake pedal free play is out of
specification, adjust the brake pedal position switch
(C). If the brake pedal free play is insufficient, it
may result in brake drag. 1. Pull the parking brake lever (A) with 196 N (20 kgf,
44 lbf) of force to fully apply the parking brake. The
parking brake lever should be locked within the
specified number of clicks.
2. If the number of lever clicks is not as specified, adjust the parking brake.
(cont’d)
08/08/21 15:00:50 61SNR030_190_0007
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Adjustment
19-8Conventional Brake Components
Parking Brake Inspection and Adjustment (cont’d)
A
A
B
1. Remove the center console panel (see page 20-92).
2. Release the parking brake lever fully.
3. Loosen the parking brake adjusting nut (A).
4. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see page
1-11).
5. Remove the rear wheels. 6. Make sure the lever (A) on the rear brake caliper
contacts the stop pin (B).
NOTE: The lever will only contact the stop pin when
the parking brake adjusting nut is loosened.
7. Clean the mating surfaces between the brake disc and the inside of the wheel, then install the rear
wheels.
8. Pull the parking brake lever 1 click.
9. Tighten the parking brake adjusting nut until the parking brakes drag slightly when the rear wheels
are turned.
10. Release the parking brake lever fully, and check that the parking brakes do not drag when the rear
wheels are turned. Readjust if necessary.
11. Make sure the parking brake lever is within the specified number of clicks (8 to 10 clicks).
12. Install the center console panel (see page 20-92).
08/08/21 15:00:51 61SNR030_190_0008
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