Infiniti G35 (V35) Sedan. Manual - part 225

VACUUM LINES

BR-37

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VACUUM LINES

Exploded View

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Removal and Installation

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REMOVAL

1.

Remove the engine cover. Refer to 

EM-27, "Removal and Installation"

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2.

Remove the cowl top. Refer to 

EXT-18, "Removal and Installation"

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3.

Remove the vacuum hose and tube.

INSTALLATION

Installation is the reverse order of removal.

CAUTION:

• Because vacuum hose contains a check valve, it must be

installed in the correct position. Refer to the stamp to confirm
correct installation. Brake booster will not operate normally if
the hose is installed in the wrong direction. 

• Insert vacuum hose at least 24 mm (0.94 in) (A).
• Never use lubricating oil during assembly.
• Face the marking side up when assembling.

Inspection

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INSPECTION AFTER REMOVAL

Appearance

Check for correct assembly, damage and deterioration.

Check Valve Airtightness

1.

Grommet

2.

Clamp

3.

Vacuum hose (built in check valve)

4.

Vacuum piping

5.

Vacuum hose

A.

To intake manifold

B.

Paint mark

C.

Stamp indicating engine direction

D.

Stamp indicating grommet installa-
tion position

E.

To brake booster

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BR-38

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VACUUM LINES

• Use a handy vacuum pump (A) to check.

• Replace vacuum hose assembly if vacuum hose and check valve

are malfunctioning.

When connected to the booster side (B):

Vacuum should decrease within 1.3 kPa (10 mm-
Hg, 0.39 inHg) for 15 seconds under a vacuum of 

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66.7 kPa (

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500 mmHg, 

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19.69 inHg).

When connected to the engine side (C):              

Vacuum should not exist.

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FRONT DISC BRAKE

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FRONT DISC BRAKE

BRAKE PAD (1 PISTON TYPE)

BRAKE PAD (1 PISTON TYPE) : Exploded View

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Refer to 

BR-41, "BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Exploded View"

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BRAKE PAD (1 PISTON TYPE) : Removal and Installation

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REMOVAL

WARNING:

Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.

CAUTION:

• Never depress the brake pedal while removing the brake pads because the piston may pop out.
• Never spill or splash brake fluid on the disc rotor.

1.

Remove tires with power tool.

2.

Remove the protector and location pin.

3.

Suspend the cylinder body with suitable wire so that the brake hose will not stretch. Remove the pad
return spring and remove the brake pads from the torque member.

CAUTION:

• Never deform the pad return spring when removing the pad return spring.
• Never deform the pad retainers when removing the pad retainers from the torque member. 
• Never damage the piston boot.
• Never remove the shims from the brake pads.
• Never drop the brake pads.

INSTALLATION

WARNING:

Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.

CAUTION:

• Never depress the brake pedal while removing the brake pads because the piston may pop out.
• Never spill or splash brake fluid on the disc rotor.

1.

Apply bentonite noise damping brake grease to the pad retainers before it to installing the torque member
if the pad retainers has been removed.

CAUTION:

• Securely assemble the pad retainers so that it will not be lifted up from the torque member.
• Never deform the pad retainers.

2.

Install the brake pads to the torque member.

CAUTION:

The brake pads is directional. Never mistake the direction.
(See the figure)

: Direction of disc rotor rotation (Forward direction)

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BR-40

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FRONT DISC BRAKE

3.

Install the pad return spring (1) to the brake pad (2).

CAUTION:

Correctly insert the pad return spring into the pad return
spring hole on the brake pad.

4.

Install cylinder body to torque member.

CAUTION:

• Never damage the piston boot.
• In the case of replacing a pad with new one, check a brake

fluid level in the reservoir tank because brake fluid
returns to master cylinder reservoir tank when pressing
piston in.

NOTE:
Use a disc brake piston tool to easily press piston. 

5.

Install the location pin and tighten it to the specified torque.

6.

Install the protector.

7.

Depress the brake pedal several times to check that no drag feel is present for the front disc brake.

8.

Install tires.

BRAKE PAD (1 PISTON TYPE) : Inspection and Adjustment

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INSPECTION AFTER REMOVAL

Eliminate rust on the pad retainers and the torque member. Replace them if rust is excessively attached.

ADJUSTMENT AFTER INSTALLATION

Brake Burnishing Procedure

Burnish contact surfaces between pads according to following procedure after refinishing or replacing pads, or
if a soft pedal occurs at very low mileage.

CAUTION:

• Be careful of vehicle speed because the brake does not operate easily until pads and disc rotor are

securely fitted.

• Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1.

Drive vehicle on straight, flat road.

2.

Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.

3.

Drive without depressing brake for a few minutes to cool the brake.

4.

Repeat steps 1 to 3 until pad and disc rotor are securely fitted.

BRAKE PAD (2 PISTON TYPE)

BRAKE PAD (2 PISTON TYPE) : Exploded View

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Refer to 

BR-45, "BRAKE CALIPER ASSEMBLY (2 PISTON TYPE) : Exploded View"

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BRAKE PAD (2 PISTON TYPE) : Removal and Installation

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REMOVAL

WARNING:

Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.

CAUTION:

• Never depress the brake pedal while removing the brake pads because the piston may pop out.
• Never spill or splash brake fluid on the disc rotor.

1.

Remove tires with power tool.

2.

Remove lower sliding pin bolt.

3.

Suspend the cylinder body with suitable wire so that the brake hose will not stretch. Then remove the
brake pad from the torque member.

CAUTION:

• Never deform the pad retainer when removing the pad retainer from the torque member. 
• Never damage the piston boot.

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