brake NISSAN ALMERA 2001 Manual Online

SRA711A
1. Remove brake caliper assembly.
2. Remove wheel bearing lock nut.
3. Remove brake rotor (models with disk brake) or brake drum
(models with drum brakes).
4. Remove wheel hub bearing from spindle.
CAUTION:
Do not disconnect brake hose from caliper.
+Suspend caliper assembly with wire so as not to stretch
brake hose.
+Be careful not to depress brake pedal, or piston will pop
out.
Make sure brake hose is not twisted.
ARA082
5. Remove the sensor rotor using suitable puller, drift and bea
ring replacer.
SAX014
INSTALLATIONNJAX0030+With vehicles equipped with ABS, press-fit ABS sensor rotor
into wheel hub bearing using a drift.
Do not reuse ABS sensor rotor. When installing, replace it
with a new one.
SRA734AB
+Press-fit ABS sensor rotor as far as the location shown in fig-
ure at left.
Height ªhº:
Models with disk brakes
1.5 - 2.5 mm (0.059 - 0.098 in)
Models with drum brakes
17.7 - 18.7 mm (0.697 - 0.736 in)
REAR AXLE
Wheel Hub (Cont'd)
AX-25

BRAKE SYSTEM
SECTION
BR
CONTENTS
PRECAUTIONS...............................................................4
Supplemental Restraint System (SRS)²AIR
BAG²and²SEAT BELT PRE-TENSIONER²...............4
Precautions for Brake System .....................................4
Precautions When Working On ABS ...........................5
Wiring Diagrams and Trouble Diagnosis .....................5
PREPARATION...............................................................6
Commercial Service Tools ...........................................6
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING.....................................................7
NVH Troubleshooting Chart.........................................7
ON-VEHICLE SERVICE..................................................8
Checking Brake Fluid Level.........................................8
Checking Brake Line ...................................................8
Changing Brake Fluid ..................................................8
Brake Burnishing Procedure........................................8
Bleeding Brake System ...............................................9
BRAKE HYDRAULIC LINE...........................................10
Hydraulic Circuit.........................................................10
Removal .....................................................................10
Inspection................................................................... 11
Installation .................................................................. 11
BRAKE PEDAL AND BRACKET..................................12
Removal and Installation ...........................................12
Inspection...................................................................12
Adjustment .................................................................12
MASTER CYLINDER (TOKICO)...................................14
Removal .....................................................................14
Disassembly...............................................................15
Inspection...................................................................15
Assembly ...................................................................15
Installation ..................................................................16
MASTER CYLINDER [BOSCH (NABCO)]...................17
Removal .....................................................................17
Disassembly...............................................................17
Inspection...................................................................18
Assembly ...................................................................18
Installation ..................................................................19BRAKE BOOSTER........................................................20
On-vehicle Service.....................................................20
OPERATING CHECK...............................................20
AIRTIGHT CHECK...................................................20
Removal .....................................................................20
Inspection...................................................................20
OUTPUT ROD LENGTH CHECK..............................20
Installation ..................................................................21
VACUUM HOSE.............................................................22
Removal and Installation ...........................................22
Inspection...................................................................22
HOSES AND CONNECTORS...................................22
CHECK VALVE........................................................22
VACUUM PUMP............................................................23
Removal .....................................................................23
Installation ..................................................................24
Inspection...................................................................24
Component ................................................................25
Disassembly...............................................................25
Assembly ...................................................................25
FRONT DISC BRAKE...................................................27
Component ................................................................27
Pad Replacement ......................................................27
Removal .....................................................................28
Disassembly...............................................................28
Inspection...................................................................28
CALIPER.................................................................28
ROTOR...................................................................29
Assembly ...................................................................30
Installation ..................................................................30
REAR DRUM BRAKE...................................................31
Components...............................................................31
Removal .....................................................................31
Inspection - Wheel Cylinder ......................................32
Wheel Cylinder Overhaul...........................................33
Inspection - Drum ......................................................33
Inspection - Lining .....................................................33
Installation ..................................................................33

REAR DISC BRAKE (CAM & STRUT TYPE)..............35
Component ................................................................35
Pad Replacement ......................................................35
Removal .....................................................................37
Disassembly...............................................................37
Inspection...................................................................38
CALIPER.................................................................38
ROTOR...................................................................39
Assembly ...................................................................39
Installation ..................................................................42
REAR DISC BRAKE (BALL & RAMP TYPE)..............43
Component ................................................................43
Pad Replacement ......................................................43
Removal .....................................................................45
Disassembly...............................................................45
Inspection...................................................................45
CALIPER.................................................................45
ROTOR...................................................................46
Installation ..................................................................46
PARKING BRAKE CONTROL......................................47
Components...............................................................47
Removal and Installation ...........................................47
Inspection...................................................................47
Adjustment .................................................................48
ABS
DESCRIPTION...............................................................49
Purpose......................................................................49
ABS (Anti-Lock Brake System) Operation ................49
ABS Hydraulic Circuit ................................................49
System Components .................................................50
System Description ....................................................50
SENSOR.................................................................50
CONTROL UNIT......................................................50
ABS ACTUATOR AND ELECTRIC UNIT....................50
Component Parts and Harness Connector
Location .....................................................................52
Schematic/Sedan .......................................................53
Wiring Diagram - ABS -/Sedan..................................54
Schematic/Hatchback ................................................58
Wiring Diagram - ABS -/Hatchback ...........................59
MODELS WITH SELF-DIAGNOSIS FUNCTION
(DATA LINK CONNECTOR TERMINAL NO. 9)
...........59
MODELS WITHOUT SELF-DIAGNOSIS
FUNCTION (DATA LINK CONNECTOR TERMINAL
NO. 9)
.....................................................................60
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION...............................................................63
Self-diagnosis (Only Models with Data Link
Connector Terminal No. 9) ........................................63
FUNCTION..............................................................63
SELF-DIAGNOSIS PROCEDURE..............................63
HOW TO READ SELF-DIAGNOSTIC RESULTS
(MALFUNCTION CODES)
........................................64
HOW TO ERASE SELF-DIAGNOSTIC RESULTS
(MALFUNCTION CODES)
........................................64
CONSULT-II ...............................................................65
CONSULT-II APPLICATION TO ABS..........................65
ECU (ABS CONTROL UNIT) PART NUMBER
MODE
.....................................................................65
CONSULT-II Inspection Procedure............................65
SELF-DIAGNOSIS PROCEDURE..............................65
SELF-DIAGNOSTIC RESULTS MODE.......................67
DATA MONITOR PROCEDURE................................68
ACTIVE TEST PROCEDURE....................................69
DATA MONITOR MODE...........................................70
ACTIVE TEST MODE...............................................70
TROUBLE DIAGNOSIS - INTRODUCTION..................71
How to Perform Trouble Diagnoses for Quick
and Accurate Repair ..................................................71
INTRODUCTION......................................................71
TROUBLE DIAGNOSIS - BASIC INSPECTION...........72
Preliminary Check......................................................72
Ground Circuit Check ................................................75
ABS ACTUATOR AND ELECTRIC UNIT GROUND.....75
TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION...............................................................76
Malfunction Code/Symptom Chart.............................76
MODELS WITH SELF-DIAGNOSIS FUNCTION
(DATA LINK CONNECTOR TERMINAL NO. 9)
...........76
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC
ITEMS.............................................................................78
Wheel Sensor or Rotor ..............................................78
DIAGNOSTIC PROCEDURE.....................................78
ABS Actuator Solenoid Valve or Solenoid Valve
Relay ..........................................................................81
DIAGNOSTIC PROCEDURE.....................................81
Motor Relay or Motor.................................................84
DIAGNOSTIC PROCEDURE.....................................84
Low Voltage ...............................................................86
DIAGNOSTIC PROCEDURE.....................................86
Control Unit ................................................................88
DIAGNOSTIC PROCEDURE.....................................88
TROUBLE DIAGNOSES FOR SYMPTOMS.................89
1. ABS Works Frequently ..........................................89
2. Unexpected Pedal Action ......................................89
3. Long Stopping Distance ........................................90
4. ABS Does Not Work ..............................................91
5. Pedal Vibration and Noise.....................................92
6. ABS Warning Lamp Does Not Come On
When Ignition Switch Is Turned On...........................93
7. ABS Warning Lamp Stays On When Ignition
Switch Is Turned On ..................................................95
REMOVAL AND INSTALLATION.................................97
Wheel Sensors ..........................................................97
ABS Actuator and Electric Unit..................................98
CONTENTS(Cont'd)
BR-2

REMOVAL...............................................................98
INSTALLATION........................................................98
Sensor Rotor..............................................................99
REMOVAL...............................................................99
INSTALLATION........................................................99
SERVICE DATA AND SPECIFICATIONS (SDS).......100
General Specifications .............................................100Disc Brake ...............................................................101
Drum Brake..............................................................101
Brake Pedal .............................................................101
Parking Brake ..........................................................101
CONTENTS(Cont'd)
BR-3

Supplemental Restraint System (SRS) ªAIR
BAGº and ªSEAT BELT PRE-TENSIONERº
NJBR0139The Supplemental Restraint System such as ªAIR BAGº and ªSEAT BELT PRE-TENSIONERº used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The SRS system composition which is available to NISSAN MODEL N16 is as follows (The compo-
sition varies according to the destination and optional equipment.):
+For a frontal collision
The Supplemental Restraint System consists of driver air bag module (located in the center of the steer-
ing wheel), front passenger air bag module (located on the instrument panel on passenger side), front seat
belt pre-tensioners, a diagnosis sensor unit, warning lamp, wiring harness and spiral cable.
+For a side collision
The Supplemental Restraint System consists of front side air bag module (located in the outer side of front
seat), side air bag (satellite) sensor, diagnosis sensor unit (one of components of air bags for a frontal
collision), wiring harness, warning lamp (one of components of air bags for a frontal collision).
Information necessary to service the system safely is included in theRS sectionof this Service Manual.
WARNING:
+To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance should be per-
formed by an authorized NISSAN dealer.
+Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the RS section.
+Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow harness connector.
SBR686C
Precautions for Brake SystemNJBR0002+Recommended fluid is brake fluid ªDOT 4º.
+Never reuse drained brake fluid.
+Be careful not to splash brake fluid on painted areas.
+To clean or wash all parts of master cylinder, disc brake
caliper and wheel cylinder, use clean brake fluid.
+Never use mineral oils such as gasoline or kerosene. They
will ruin rubber parts of the hydraulic system.
+Use flare nut wrench when removing and installing brake
tube.
+Always torque brake lines when installing.
+Burnish the brake contact surfaces after refinishing or
replacing drums or rotors, after replacing pads or linings,
or if a soft pedal occurs at very low mileage.
Refer to ªBrake Burnishing Procedureº, ªON-VEHICLE
SERVICEº, BR-8.
WARNING:
+Clean brake pads and shoes with a waste cloth, then wipe
with a dust collector.
PRECAUTIONS
Supplemental Restraint System (SRS) ªAIR BAGº and ªSEAT BELT PRE-TENSIONERº
BR-4

Commercial Service ToolsNJBR0004
Tool name Description
1 Flare nut crowfoot
2 Torque wrench
NT360
Removing and installing each brake piping
a: 10 mm (0.39 in)
Brake fluid pressure
gauge
NT151
Measuring brake fluid pressure
PREPARATION
Commercial Service Tools
BR-6

NJBR0005
NVH Troubleshooting ChartNJBR0005S01Use the table below to help you find the cause of the symptom. If necessary, repair or replace these parts.
Reference page
BR-27, 33, 35
BR-27, 33, 35
BR-31
BR-27, 35
Ð
Ð
BR-29, 39
Ð
Ð
Ð
BR-29, 39
BR-33
NVH in FA section
NVH in FA section
NVH in FA, RA section
NVH in FA section
NVH in ST section
SUSPECTED PARTS
(Possible cause)
Linings or pads - damaged
Linings or pads - uneven wear
Return springs damaged
Shims damaged
Rotor or drum imbalance
Rotor or drum damage
Rotor runout
Rotor or drum deformation
Rotor or drum deflection
Rotor or drum rust
Rotor thickness variation
Drum out of round
DRIVE SHAFT
AXLE AND SUSPENSION
TIRES
ROAD WHEEL
STEERING
Symp-
tomBRAKENoiseXXXX XXXXX
Shake XXXXXX
Shimmy, Jud-
derXXXXXXXX XXXX
X: Applicable
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
BR-7

SBR451D
Checking Brake Fluid LevelNJBR0006+Check fluid level in reservoir tank. It should be between Max
and Min lines on reservoir tank.
+If fluid level is extremely low, check brake system for leaks.
+Release parking brake lever and see if brake warning lamp
goes off. If not, check brake system for leaks.
SBR389C
Checking Brake LineNJBR0007CAUTION:
If leakage occurs around joints, retighten or, if necessary,
replace damaged parts.
1. Check brake lines (tubes and hoses) for cracks, deterioration
or other damage. Replace any damaged parts.
2. Check for oil leakage by fully depressing brake pedal while
engine is running.
SBR419C
Changing Brake FluidNJBR0008CAUTION:
+Refill with new brake fluid ªDOT 4º.
+Always keep fluid level higher than minimum line on res-
ervoir tank.
+Never reuse drained brake fluid.
+Be careful not to splash brake fluid on painted areas; it
may cause paint damage. If brake fluid is splashed on
painted areas, wash it away with water immediately.
1. Clean inside of reservoir tank, and refill with new brake fluid.
2. Connect a vinyl tube to each air bleeder valve.
3. Drain brake fluid from each air bleeder valve by depressing
brake pedal while keeping reservoir level higher than minimum
line by adding new brake fluid.
4. Repeat until new brake fluid comes out of each air bleeder
valve.
Use same procedure as in bleeding hydraulic system to refill
brake fluid. Refer to ªBleeding Brake Systemº, BR-9.
Brake Burnishing ProcedureNJBR0036Burnish the brake contact surfaces according to the following pro-
cedure after refinishing or replacing drums or rotors, after replac-
ing pads or linings, or if a soft pedal occurs at very low mileage.
CAUTION:
Only perform this procedure under safe road and traffic con-
ditions. Use extreme caution.
1. Drive the vehicle on a straight smooth road at 50 km/h (31
MPH).
2. Use medium brake pedal/foot effort to bring the vehicle to a
complete stop from 50 km/h (31 MPH). Adjust brake pedal/foot
ON-VEHICLE SERVICE
Checking Brake Fluid Level
BR-8

pressure such that vehicle stopping time equals 3 to 5 sec-
onds.
3. To cool the brake system, drive the vehicle at 50 km/h (31
MPH) for 1 minute without stopping.
4. Repeat steps 1 to 3, 10 times or more to complete the burnish-
ing procedure.
SBR995
Bleeding Brake SystemNJBR0009CAUTION:
+Carefully monitor brake fluid level at master cylinder dur-
ing bleeding operation.
+Fill reservoir with new brake fluid ªDOT 4º. Make sure it is
full at all times while bleeding air out of system.
+Place a container under master cylinder to avoid spillage
of brake fluid.
+For models with ABS, turn ignition switch OFF and dis-
connect ABS actuator connectors or battery ground cable.
SBR419C
+Bleed air in the following order.
Right rear brake®Left front brake®Left rear brake®Right
front brake
1. Connect a transparent vinyl tube to air bleeder valve.
2. Fully depress brake pedal several times.
3. With brake pedal depressed, open air bleeder valve to release
air.
4. Close air bleeder valve.
5. Release brake pedal slowly.
6. Repeat steps 2. through 5. until clear brake fluid comes out of
air bleeder valve.
ON-VEHICLE SERVICE
Brake Burnishing Procedure (Cont'd)
BR-9

Hydraulic CircuitNJBR0010
SBR751E
RemovalNJBR0011CAUTION:
+Be careful not to splash brake fluid on painted areas; it
may cause paint damage. If brake fluid is splashed on
painted areas, wash it away with water immediately.
+All hoses must be free from excessive bending, twisting
and pulling.
+For ball & ramp type rear caliper, care should be taken as
not to let air enter the body.
1. Remove flare nut connecting brake tube and hose, then with-
draw lock spring.
BRAKE HYDRAULIC LINE
Hydraulic Circuit
BR-10