2011 INFINITI QX56 oil

TM-270
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON
OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON
Exploded ViewINFOID:0000000006226920
DisassemblyINFOID:0000000006226921
1. Remove snap ring (1) from oil pump assembly using a flat-
bladed screwdriver (A).
CAUTION:
 Be careful not to scratch oil pump cover and 2346 brakeretaining plate.
 Be careful not to damage snap ring.
1. Oil pump housing oil seal 2. Oil pump housing 3. O-ring
4. Oil pump cover 5. O-ring 6. D-ring
7. D-ring 8. Front brake piston 9. Front brake spring retainer
10. Snap ring 11. D-ring 12. D-ring
13. 2346 brake piston 14. 2346 brake spring retainer 15. Snap ring
16. Seal ring 17. Dish plate 18. Driven plate
19. Drive plate 20. Retaining plate 21. Snap ring
: Apply Liquid Gasket (Three Bond 1215) or equivalent.
Refer to GI-4, "
Components" for symbols not described on the above.
JPDIA1089GB
JPDIA1090ZZ
Revision: 2010 May2011 QX56

OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTONTM-271
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
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M A
B
TM
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O P
2. Remove 2346 brake component part (retaining plate, drive plate, driven plate, and dish pl ate) (1) from oil pump assembly.
3. Remove seal ring (1) from oil pump assembly.
4. Set the clutch spring compressor (SST: KV31103800) (A) on front brake spring retainer and remove snap ring (fixing front
brake spring retainer) (1) from oil pump assembly while com-
pressing return spring.
CAUTION:
Be careful not to expand snap ring excessively.
5. Remove front brake spring retainer (1) from oil pump assembly.
6. Set the clutch spring compressor [SST: KV31102400 (J-34285 and J-34285-87)] (A) on 2346 brake spring retainer and remove
snap ring (fixing 2346 brake spring retainer) (1) from oil pump
assembly while compressing return spring.
CAUTION:
Be careful not to expand snap ring excessively.
JPDIA1091ZZ
JPDIA1092ZZ
JSDIA1729ZZ
JPDIA1094ZZ
B: Press
JSDIA1730ZZ
Revision: 2010 May2011 QX56

TM-272
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON
7. Remove 2346 brake spring retainer (1) from oil pump assembly.
8. Remove front brake piston (1) from oil pump assembly with
compressed air. Refer to TM-222, "
Oil Channel".
CAUTION:
Care should be taken not to ab ruptly blow air. It makes pis-
ton incline, as the result, it becomes hard to disassemble
the piston.
9. Remove D-ring (inner) (1) and D-ring (outer) (2) from front brake piston.
JPDIA1096ZZ
A : Front brake pressure hole
JPDIA1097ZZ
JPDIA1098ZZ
Revision: 2010 May2011 QX56

OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTONTM-273
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
10. Remove 2346 brake piston (1) from oil pump assembly with compressed air. Refer to TM-222, "
Oil Channel".
CAUTION:
Care should be taken not to ab ruptly blow air. It makes pis-
ton incline, as the result, it becomes hard to disassemble
the piston.
11. Remove D-ring (large) (1) and D-ring (small) (2) from 2346 brake piston.
12. loosen bolts in numerical order shown in the figure and remove oil pump housing from oil pump cover.
13. Remove oil pump housing oil seal using a flat-bladed screw- driver.
CAUTION:
Be careful not to scratch oil pump housing.
A : 2346 brake pressure hole
JPDIA1099ZZ
JPDIA1100ZZ
: Bolt
JPDIA1101ZZ
SCIA2840E
Revision: 2010 May2011 QX56

TM-274
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON
14. Remove O-ring from oil pump housing.
15. Remove O-ring (1) from oil pump cover.
AssemblyINFOID:0000000006226922
1. Install O-ring (1) to oil pump cover.
2. Install O-ring to oil pump housing.
SCIA2841E
JPDIA1102ZZ
JPDIA1102ZZ
SCIA2841E
Revision: 2010 May2011 QX56

OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTONTM-275
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
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K L
M A
B
TM
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O P
3. Using the drift, install oil pump housing oil seal to the oil pump housing until it is flush.
CAUTION:
 Never reuse oil seal.
 Apply ATF to oil seal.
4. Install oil pump housing to oil pump cover and tighten bolts ( ) to the specified torque in numerical order shown in the figure
after temporarily tightening them.
5. Install D-ring (large) (1) and D-ring (small) (2) to 2346 brake pis- ton.
6. Install 2346 brake piston (1) to oil pump assembly.
7. Install D-ring (inner) (1) and D-ring (outer) (2) to front brake pis- ton.
SCIA5313E
JPDIA1101ZZ
JPDIA1100ZZ
JSDIA1722ZZ
JPDIA1098ZZ
Revision: 2010 May2011 QX56

TM-276
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON
8. Install front brake piston (1) to oil pump assembly.
9. Install 2346 brake spring retainer (1) to oil pump assembly.
10. Set the clutch spring compressor [SST: KV31102400 (J-34285
and J-34285-87)] (A) on 2346 brake spring retainer and install
snap ring (fixing 2346 brake spring retainer) (1) to oil pump
assembly while compressing return spring.
CAUTION:
Be careful not to exp and snap ring excessively.
11. Install front brake spring retainer (1) to oil pump assembly.
12. Set the clutch spring compressor (SST: KV31103800) (A) on front brake spring retainer and install snap ring (fixing front
brake spring retainer) (1) to oil pump assembly while compress-
ing return spring.
CAUTION:
Be careful not to exp and snap ring excessively.
JSDIA1723ZZ
JPDIA1096ZZ
B: Press
JSDIA1730ZZ
JPDIA1094ZZ
JSDIA1729ZZ
Revision: 2010 May2011 QX56

OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTONTM-277
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
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M A
B
TM
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13. Install seal ring (1) to oil pump assembly.
14. Install 2346 brake retaining plate, drive plates, driven plates, dish plate and snap ring to oil pump assembly.
CAUTION:
 Check the order of plates.
 Never install snap ring mati ng part (A) to the clearance
groove [(B) shown in the figure] of oil pump cover.
Inspection and AdjustmentINFOID:0000000006226923
INSPECTION AFTER DISASSEMBLY
Each Snap Ring
Check for deformation, fatigue or damage. If necessary, replace snap ring.
Each Spring Retainer
Check for deformation, fatigue or damage. If necessary, replace spring retainer.
2346 Brake Drive Plates
Check facing for burns, cracks or damage. If nec essary, replace drive plates and driven plates.
2346 Brake Retaining Plate, Driven Plates and Dish Plate
Check facing for burns, cracks or damage. If necessary, replace retaining plate and dish plate.
INSPECTION AFTER ASSEMBLY
2346 Brake Clearance
JPDIA1092ZZ
1 : Dish plate
2 : Driven plate (five pieces)
3 : Drive plate (five pieces)
4 : Retaining plate
5: Snap ring
JPDIA1153ZZ
JSDIA1724ZZ
Revision: 2010 May2011 QX56