Infiniti G35 (V35) Sedan. Manual — part 229
REAR DISC BRAKE
BR-53
< ON-VEHICLE REPAIR >
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BRAKE CALIPER ASSEMBLY (FRONT CALIPER 1 PISTON TYPE) : Removal and In-
stallation
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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. Brake fluid may splash while removing the brake hose.
1.
Remove tires with power tool.
2.
Fix the disc rotor using wheel nuts.
3.
Drain brake fluid. Refer to
CAUTION:
Never spill or splash brake fluid on the disc rotor.
1.
Brake hose
2.
Union bolt
3.
Copper washer
4.
Cap
5.
Bleeder valve
6.
Sliding pin bolt
7.
Cylinder body
8.
Piston seal
9.
Piston
10.
Piston boot
11. Sliding pin boot
12.
Bushing
13.
Torque member
14. Inner shim cover
15.
Inner shim
16.
Inner pad
17. Pad wear sensor
18.
Pad retainer
19.
Outer pad
20. Outer shim
1: Apply rubber grease.
2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
3: Apply polyglycol ether based lubricant.
: Apply brake fluid.
Refer to
for symbols not described on the above.
JPFIA0064GB
BR-54
< ON-VEHICLE REPAIR >
REAR DISC BRAKE
4.
Remove union bolt (1) and then disconnect brake hose (2) from
caliper assembly.
5.
Remove torque member mounting bolts, and remove brake cali-
per assembly.
CAUTION:
Never drop brake pads and caliper assembly.
6.
Remove disc rotor.
CAUTION:
• Put matching marks on the wheel hub and bearing assem-
bly and the disc rotor before removing the disc rotor.
• Never drop disc rotor.
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. Brake fluid may splash while removing the brake hose.
1.
Install disc rotor.
CAUTION:
Align the matching marks that have been made during removal when reusing the disc rotor.
2.
Install the brake caliper assembly to the vehicle and tighten the torque member mounting bolts to the
specified torque.
CAUTION:
Never spill or splash any grease and moisture on the brake caliper assembly mounting face,
threads, mounting bolts, and washers. Wipe out any grease and moisture.
3.
Install brake hose to brake caliper assembly, and tighten union bolts to the specified torque.
4.
Refill with new brake fluid and perform the air bleeding. Refer to
BR-12, "Bleeding Brake System"
.
CAUTION:
• Never reuse drained brake fluid.
• Never spill or splash brake fluid on the disc rotor.
5.
Check that no drag feel is present for the rear disc brake.
6.
Install tires.
BRAKE CALIPER ASSEMBLY (FRONT CALIPER 1 PISTON TYPE) : Disassembly
and Assembly
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DISASSEMBLY
NOTE:
The torque member, brake pads, shims, shim cover and pad retainers never need to be removed when disas-
sembling and assembling the cylinder body.
1.
Remove the sliding pin bolt and remove the cylinder body from the torque member.
CAUTION:
Never drop pads, shims, shim cover and pad retainers from torque member.
2.
Remove sliding pin boots from torque member.
3.
Place a wooden block as shown in the figure, and blow air from
union bolt mounting hole to remove piston and piston boot.
CAUTION:
Never get fingers caught in the piston.
JPFIA0036ZZ
BRD0041D
REAR DISC BRAKE
BR-55
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4.
Remove piston seal from cylinder body using suitable tool.
CAUTION:
Be careful not to damage a cylinder inner wall.
ASSEMBLY
1.
Apply rubber grease to piston seal (1), and install them to cylin-
der body.
CAUTION:
Never reuse piston seal.
2.
Apply rubber grease to piston boot (1). Cover the piston (2) end
with the piston boot, and then install cylinder side lip on the pis-
ton boot securely into the groove on cylinder body.
CAUTION:
Never reuse piston boot.
3.
Apply brake fluid to piston (1). Push piston into cylinder body by
hand and push piston boot (2) piston side lip into the piston
groove.
CAUTION:
Press the piston evenly and vary the pressing point to pre-
vent cylinder inner wall from being rubbed.
4.
Install sliding pin boot to torque member.
5.
Install the cylinder body to the torque member and tighten the sliding pin bolt to the specified torque.
BRAKE CALIPER ASSEMBLY (FRONT CALIPER 1 PISTON TYPE) : Inspection and
Adjustment
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INSPECTION AFTER DISASSEMBLY
Cylinder Body
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JPFIA0040ZZ
JPFIA0041ZZ
BR-56
< ON-VEHICLE REPAIR >
REAR DISC BRAKE
Check the inner wall of the cylinder for rust, wear, cracks or damage. Replace the cylinder if any abnormal
condition is detected.
CAUTION:
Always clean with new brake fluid. Never clean with mineral oil such as gasoline and light oil.
Torque Member
Check the torque member for rust, wear, cracks or damage. Replace the member if any abnormal condition is
detected.
Piston
Check the piston for rust, wear, cracks or damage. Replace the piston if any abnormal condition is detected.
CAUTION:
A piston sliding surface is plated. Never polish with sandpaper.
Sliding Pin Bolt and Sliding Pin Boot
Check the sliding pin bolts and sliding pin boots for rust, wear, cracks or damage. Replace the parts if any
abnormal condition is detected.
ADJUSTMENT AFTER INSTALLATION
Brake Burnishing Procedure
Burnish contact surfaces between disc rotors and pads according to the following procedure after refinishing
or replacing disc rotor, or if a soft pedal occurs at very low mileage.
CAUTION:
• Be careful of vehicle speed because the brake does not operate easily until pad 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 CALIPER ASSEMBLY (FRONT CALIPER 2 PISTON TYPE)
BRAKE CALIPER ASSEMBLY (FRONT CALIPER 2 PISTON TYPE) : Exploded View
INFOID:0000000000958471
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