Nissan Teana J32. Instruction — part 232
VACUUM LINES
BR-31
< ON-VEHICLE REPAIR >
C
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B
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VACUUM LINES
Exploded View
INFOID:0000000003811201
Removal and Installation
INFOID:0000000003811202
REMOVAL
Remove the vacuum hose and tube.
INSTALLATION
Note the following, install the vacuum hose and tube.
• 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.
• When installing vacuum hose, insert it until its tip reaches the
back-end of length (A) or further as shown in the figure.
- Face the marking side up when assembling of vacuum hose. (For
both side of vacuum hose of intake manifold side.)
- Face the marking side vehicle front when assembling of vacuum
hose. (For both side of vacuum hose of brake booster side)
CAUTION:
Never use lubricating oil during assembly.
Inspection
INFOID:0000000003811203
INSPECTION AFTER REMOVAL
Appearance
Check for correct assembly, damage and deterioration.
Check Valve Airtightness
1.
Vacuum hose (built in orifice)
2.
Clamp
3.
Vacuum tube
4.
Vacuum hose (built in check valve)
A.
To brake booster
B.
Paint mark
C.
Stamp indicating orifice direction
D.
Stamp indicating engine direction
E.
To intake manifold
JPFIA0351ZZ
Standard
A
: 24 mm (0.95 in) or more
JPFIA0023ZZ
BR-32
< ON-VEHICLE REPAIR >
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 brake booster side (B)
: Vacuum should decrease within 1.3 kPa (10 mmHg,
0.39 inHg, 0.013 bar) for 15 seconds under a vacuum
of
−
66.7 kPa (
−
500 mmHg,
−
19.70 inHg,
−
0.667 bar).
When connected to the engine side (C):
: Vacuum should not exist.
JPFIA0024ZZ
FRONT DISC BRAKE
BR-33
< ON-VEHICLE REPAIR >
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FRONT DISC BRAKE
BRAKE PAD
BRAKE PAD : Exploded View
INFOID:0000000003811204
BRAKE PAD : Removal and Installation
INFOID:0000000003811205
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.
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 pads, shims and shim cover from the torque member.
CAUTION:
• Never deform the pad retainer when removing the pad retainer from the torque member.
• Never damage the piston boot.
• Never drop the brake pads, shims, and the shim cover.
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 or the cylinder body because the pis-
ton may pop out.
• Never spill or splash brake fluid on the disc rotor.
1.
Cylinder body
2.
Inner shim
3.
Inner pad (with pad wear sensor)
4.
Pad retainer
5.
Torque member
6.
Outer pad (with pad wear sensor)
7.
Outer shim
8.
Outer shim cover
1: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
2: Apply copper based brake grease.
Refer to
for symbols not described on the above.
JPFIA0352GB
BR-34
< ON-VEHICLE REPAIR >
FRONT DISC BRAKE
1.
Install the pad retainer to 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.
Apply copper based brake grease to the mating faces between the brake pads and pad retainers.
3.
Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease to the mating faces between the brake
pads, shims and shim cover, and install them to the brake pad.
CAUTION:
Always replace the shims together with the shim cover when replacing the brake pad.
4.
Install the cylinder body and brake pads to the torque member.
CAUTION:
• Never damage the piston boot.
• When 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 lower sliding pin bolt and tighten it to the specified torque.
6.
Depress the brake pedal several times to check that no drag feel is present for the front disc brake. Refer
to
BR-34, "BRAKE PAD : Inspection"
.
BRAKE PAD : Inspection
INFOID:0000000003811206
INSPECTION AFTER REMOVAL
Replace the shims and the shim cover if rust is excessively attached.
INSPECTION AFTER INSTALLATION
1.
Check a drag of front disc brake. If any drag is found, follow the procedure described below.
2.
Remove brake pads.
3.
Press the piston.
CAUTION:
• Never damage the piston boot.
• When 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.
4.
Install brake pads.
5.
Depress the brake pedal several times.
6.
Check a drag of front disc brake again. If any drag is found, disassemble the cylinder body. Refer to
36, "BRAKE CALIPER ASSEMBLY : Disassembly and Assembly"
.
7.
Burnish contact surfaces after refinishing or replacing pads, or if a soft pedal occurs at very low mileage.
Refer to
BR-13, "BRAKE PAD : Inspection and Adjustment"
.
BRAKE CALIPER ASSEMBLY
BRAKE CALIPER ASSEMBLY : Exploded View
INFOID:0000000003811207
REMOVAL
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