Infiniti QX56 (JA60). Manual — part 120
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BR-40
< DISASSEMBLY AND ASSEMBLY >
FRONT DISC BRAKE
4. Remove piston seals from cylinder body, using a suitable tool.
CAUTION:
• Be careful not to damage cylinder inner wall.
• Do not reuse piston seals.
5. Remove the bleeder valve and cap.
CALIPER INSPECTION
Cylinder Body
Check inside surface of cylinder for score, rust, wear, damage or foreign materials. If any of the above condi-
tions are observed, replace cylinder body.
Minor damage from rust or foreign materials may be eliminated by polishing surface with a fine emery paper.
Replace cylinder body if necessary.
CAUTION:
Use new brake fluid for cleaning. Do not use mineral oils such as gasoline or kerosene.
Torque Member
Check for wear, cracks, and damage. If damage or deformation is present, replace the affected part.
Piston
Check piston for score, rust, wear, damage or presence of foreign materials. Replace if any of the above con-
ditions are observed.
CAUTION:
Piston sliding surface is plated, do not polish with emery paper even if rust or foreign materials are
stuck to sliding surface.
Sliding Pins, and Sliding Pin Boots
Check sliding pin and sliding pin boot for wear, damage, and cracks. If damage or deformation is present,
replace the affected part.
CAUTION:
Trailing/upper sliding pin must be replaced at each service.
ASSEMBLY
CAUTION:
Do not use NISSAN Rubber Grease (KRE00 00010, KRE00 00010 01) when assembling.
1. Install the bleeder valve and cap.
2. Apply Molykote M-77 grease to new piston seals and insert
seals into grooves on cylinder body.
CAUTION:
Do not reuse piston seals.
SFIA0141E
SFIA2399E
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FRONT DISC BRAKE
BR-41
< DISASSEMBLY AND ASSEMBLY >
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3. Apply Molykote M-77 grease to piston boots. Cover the piston
ends with piston boots, and then install cylinder side lip on piston
boots securely into the grooves on cylinder body.
CAUTION:
Do not reuse piston boots.
4. Apply clean brake fluid to pistons, then install pistons into cylin-
der body and insert piston boot side lip into groove of pistons as
shown.
CAUTION:
Press the pistons evenly to prevent damage to cylinder
wall.
5. Apply rubber grease and insert into cylinder body by hand and insert piston boot piston-side lip into piston
groove.
CAUTION:
Press pistons evenly and vary the pressing point to prevent cylinder inner wall from being rubbed.
6. Apply rubber grease and install sliding pins, bushing and sliding pin boots to torque member.
7. Install the pads, shims, shim cover, and pad retainers from the torque member.
8. Install cylinder body. Tighten sliding pin bolts to the specified torque.
SFIA2432E
WFIA0211E
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BR-42
< DISASSEMBLY AND ASSEMBLY >
REAR DISC BRAKE
REAR DISC BRAKE
Disassembly and Assembly
INFOID:0000000005147924
DISASSEMBLY
1. Remove pads from cylinder body.
2. Remove sliding sleeve and boot from cylinder body.
3. Place a wooden block as shown, and blow air into union bolt
hole to remove piston and piston boot.
CAUTION:
Do not get your fingers caught in piston.
1.
Union bolt
2.
Brake hose
3.
Copper washer
4.
Cap
5.
Bleed valve
6.
Sliding pin bolt
7.
Cylinder body
8.
Piston seal
9.
Piston
10. Piston boot
11. Knuckle slide
12.
Sliding sleeve boot
13. Sliding sleeve
B.
Brake fluid
R.
Rubber grease
M.
Molykote M-77
Front
AWFIA0423GB
BRD0041D
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REAR DISC BRAKE
BR-43
< DISASSEMBLY AND ASSEMBLY >
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4. Using a suitable tool, remove piston seal from cylinder body as
shown.
CAUTION:
Be careful not to damage cylinder body inner wall.
5. Remove the bleeder valve and cap.
CALIPER INSPECTION
Cylinder Body
Check inside surface of cylinder body for score, rust wear, damage or foreign materials. If any of the above
conditions are observed, replace cylinder body.
Minor damage from rust or foreign materials may be eliminated by polishing surface with a fine emery paper.
Replace cylinder body if necessary.
CAUTION:
• Use new brake fluid to clean. Do not use mineral oils such as gasoline or kerosene.
Torque Member
Check for wear, cracks, and damage. If damage or deformation is present, replace the affected part.
Piston
Check piston for score, rust, wear, damage or presence of foreign materials. Replace if any of the above con-
ditions are observed.
CAUTION:
• Piston sliding surface is plated, do not polish with emery paper even if rust of foreign materials are
stuck to sliding surface.
Sliding Pin Bolts and Sliding Pin Boots
Make sure there is no wear, damage, or cracks in sliding sleeve and sliding sleeve boots, and if there are,
replace them.
ASSEMBLY
CAUTION:
Do not use NISSAN Rubber Grease (KRE00 00010, KRE00 00010 01) when assembling.
1. Install the bleeder valve and cap.
2. Apply clean brake fluid to new piston seal and insert in to
groove on cylinder body.
CAUTION:
Do not reuse piston seal.
PFIA0269E
WFIA0210E
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