Nissan Maxima. Manual - part 239

BR-24

< REMOVAL AND INSTALLATION >

BRAKE MASTER CYLINDER

BRAKE MASTER CYLINDER

Exploded View

INFOID:0000000009466595

Removal and Installation

INFOID:0000000009466596

CAUTION:

• Do 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.

• Refill with new brake fluid.

• Do not reuse drained brake fluid.

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.

REMOVAL 

1. Remove the engine room cover. Refer to 

EM-23, "Removal and Installation"

.

2. Remove the air cleaner and air duct. Refer to 

EM-24, "Removal and Installation"

.

3. Disconnect the harness connector from the brake fluid level switch.
4. Disconnect master cylinder brake tubes, using a suitable tool.
5. Remove master cylinder nuts.
6. Remove master cylinder assembly and O-ring.

CAUTION:

Do not reuse O-ring.

INSTALLATION

Installation is in the reverse order of removal.

1.

Reservoir cap

2.

Oil strainer (blue)

3.

Master cylinder assembly

4.

Brake fluid level switch harness connector

5.

O-ring

B.

PBC (Poly Butyl Cuprysil) grease or silicone-based grease

AWFIA0660GB

BRAKE MASTER CYLINDER

BR-25

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

• Apply silicone grease to brake booster at position (A) as shown, be

sure the O-ring is in proper position when installing master cylinder

to brake booster.

CAUTION:

Do not reuse O-ring.

• Tighten brake tube flare nut to the specified torque using a suitable

tool. Refer to 

BR-20, "Hydraulic Circuit"

.

• Refill the brake hydraulic system with new brake fluid and bleed

air. Refer to 

BR-16, "Bleeding Brake System"

.

• If necessary, adjust the brake booster input rod length. Refer to

BR-46, "Brake Booster"

.

SFIA2847J

BR-26

< REMOVAL AND INSTALLATION >

BRAKE BOOSTER

BRAKE BOOSTER

Exploded View

INFOID:0000000009466597

Removal and installation

INFOID:0000000009466598

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.

REMOVAL

1. Release the fuel pressure. Refer to 

EC-592, "Inspection"

.

2. Disconnect the battery negative terminal. Refer to 

PG-67, "Exploded View"

.

3. Remove the engine room cover. Refer to 

EM-23, "Removal and Installation"

.

4. Remove the air cleaner and air duct. Refer to 

EM-24, "Removal and Installation"

.

5. Remove cowl top, cowl top extension LH and the lower cowl top extension brace. Refer to 

EXT-20,

"Exploded View"

.

6. Disconnect fuel line from engine, clip and main line and reposition out of the way.
7. Remove master cylinder. Refer to 

BR-24, "Removal and Installation"

. 

8. Disconnect vacuum hose from brake booster. 
9. Remove instrument lower panel LH. Refer to 

IP-10, "Exploded View"

.

10. Disconnect the harness connector from the accelerator pedal.
11. Remove snap pin and clevis pin from inside vehicle.
12. Disconnect the steering column upper joint and reposition it out

of the way.

13. Disconnect the harness connectors from the ASCD cancel

switch and stop lamp switch.

14. Remove nuts on brake booster and brake pedal assembly, then

remove brake pedal. Refer to 

BR-18, "Exploded View"

.

15. Remove brake booster from dash panel on engine room side.

CAUTION:

Be careful not to deform or bend brake tube while removing

brake booster.

16. Remove the brake booster gasket.

1.

Master cylinder assembly

2.

Brake booster

3.

Brake pedal

4.

Lock nut

5.

Gasket

ALFIA0158GB

SFIA2044E

BRAKE BOOSTER

BR-27

< REMOVAL AND INSTALLATION >

C

D

E

G

H

I

J

K

L

M

A

B

BR

N

O

P

INSTALLATION

CAUTION:

• Be careful not to deform or bend brake tube while installing brake booster.

• Replace clevis pin if it is damaged.

• Do not damage brake booster stud bolt threads. If brake booster is tilted during installation, the dash

panel may damage the threads.

1. Loosen lock nut to adjust input rod length (B) to the specified

value as shown.

2. After adjusting input rod length (B), temporarily tighten the lock

nut to install the booster assembly. At this time, make sure that a

gasket between booster assembly and dash panel is installed.

CAUTION:

Always install gasket between brake booster and dash

panel.

3. Install and connect brake pedal with clevis of input rod.
4. Install brake pedal bracket nuts and tighten them to the specified torque. Refer to 

BR-18, "Exploded

View"

.

5. Connect the ASCD cancel switch and stop lamp switch harness connectors.
6. Connect the steering column upper joint.
7. Connect the accelerator pedal harness connector.
8. Install instrument lower panel LH. Refer to 

IP-10, "Exploded View"

.

9. Install vacuum hose into brake booster.
10. Install master cylinder. Refer to 

BR-24, "Removal and Installation"

. 

11. Position fuel line and connect to engine, clip and main line. 
12. Install the air cleaner and air duct. Refer to 

EM-24, "Removal and Installation"

.

13. Install the engine room cover. Refer to 

EM-23, "Removal and Installation"

. 

14. Install the cowl top, cowl top extension LH and the lower cowl top extension brace. Refer to 

EXT-20,

"Exploded View"

.

15. Connect the battery negative terminal. Refer to 

PG-67, "Exploded View"

.

16. Adjust the brake pedal height, if necessary. Refer to 

PG-67, "Exploded View"

. 

17. Tighten lock nut of input rod to the specified torque. Refer to 

BR-26, "Exploded View"

.

18. Refill new brake fluid and bleed air. Refer to 

BR-16, "Bleeding Brake System"

. 

Input rod length (B)

: Refer to 

BR-46, "Brake Booster"

.

SGIA0060E