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![INFINITI M35 2006 Factory Service Manual CYLINDER HEAD
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7. Install valve collet.
Compress valve spring with valve spring compressor, attach-
ment and adapter INFINITI M35 2006 Factory Service Manual CYLINDER HEAD
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7. Install valve collet.
Compress valve spring with valve spring compressor, attach-
ment and adapter](/manual-img/42/57023/w960_57023-3301.png)
CYLINDER HEAD
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7. Install valve collet.
Compress valve spring with valve spring compressor, attach-
ment and adapter (SST). Install valve collet with magnetic
hand.
CAUTION:
When working, take care not to damage valve lifter holes.
Tap stem edge lightly with plastic hammer after installation to
check its installed condition.
8. Install valve lifter and adjusting shim.
Install it in the original position.
9. Install spark plug tube.
Press-fit spark plug tube as follows:
a. Remove old liquid gasket adhering to cylinder-head mounting hole.
b. Apply sealant to area within approximately 12 mm (0.47 in) from edge of spark plug tube press-fit side.
Use Genuine High Strength Locking Sealant or equivalent. Refer to GI-48, "
RECOMMENDED
CHEMICAL PRODUCTS AND SEALANTS" .
c. Using drift, press-fit spark plug tube so that its height “H” is as
specified in the figure.
CAUTION:
When press-fitting, take care not to deform spark plug
tube.
After press-fitting, wipe off liquid gasket protruding onto
cylinder head upper face.
10. Install spark plug with spark plug wrench (commercial service tool).
Inspection after DisassemblyNBS004PJ
VALVE DIMENSIONS
Check the dimensions of each valve. For the dimensions, refer
to EM-280, "
Valve Dimensions" .
If the dimensions are out of the standard, replace valve and
check the valve seat contact. Refer to EM-242, "
VA LV E S E AT
CONTACT" .
PBIC2360E
Standard press-fit height “H” :
: 38.4 - 39.4 mm (1.512 - 1.551 in)
PBIC2638E
SEM188A
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![INFINITI M35 2006 Factory Service Manual CYLINDER HEAD
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5. Using valve seat cutter set (commercial service tool) or valve
seat grinder, finish seat to INFINITI M35 2006 Factory Service Manual CYLINDER HEAD
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5. Using valve seat cutter set (commercial service tool) or valve
seat grinder, finish seat to](/manual-img/42/57023/w960_57023-3305.png)
CYLINDER HEAD
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5. Using valve seat cutter set (commercial service tool) or valve
seat grinder, finish seat to the specified dimensions. Refer to
EM-281, "
Va l v e S e a t" .
CAUTION:
When using valve seat cutter, firmly grip cutter handle with
both hands. Then, press on the contacting surface all
around the circumference to cut in a single drive. Improper
pressure on with cutter or cutting many different times may
result in stage valve seat.
6. Using compound, grind to adjust valve fitting.
7. Check again for normal contact. Refer to EM-242, "
VALVE SEAT CONTACT" .
VALVE SPRING SQUARENESS
Set try square along the side of valve spring and rotate spring.
Measure the maximum clearance between the top face of spring
and try square.
If it exceeds the limit, replace valve spring.
VALVE SPRING DIMENSIONS AND VALVE SPRING PRESSURE LOAD
Check valve spring pressure at the specified spring height.
If the installation load or load with valve open is out of the standard, replace valve spring.
SEM934C
Limit : 2.0 mm (0.079 in)
PBIC0080E
Standard:
Intake and exhaust
Free height
: 46.35 - 46.85 mm (1.8247 - 1.8444 in)
Installation height
: 33.8 mm (1.331 in)
Installation load
: 165 - 189 N (16.8 - 19.3 kg, 37 - 42 lb)
Height during valve open
: 24.4 mm (0.961 in)
Load with valve open
: 290 - 330 N (29.6 - 33.7 kg, 65 - 74 lb)
SEM113
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![INFINITI M35 2006 Factory Service Manual CYLINDER BLOCK
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CRUSH HEIGHT OF MAIN BEARING
When main bearing cap is removed after being tightened to the
specified torq INFINITI M35 2006 Factory Service Manual CYLINDER BLOCK
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CRUSH HEIGHT OF MAIN BEARING
When main bearing cap is removed after being tightened to the
specified torq](/manual-img/42/57023/w960_57023-3337.png)
CYLINDER BLOCK
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CRUSH HEIGHT OF MAIN BEARING
When main bearing cap is removed after being tightened to the
specified torque with main bearings installed, the tip end of bear-
ing must protrude. Refer to EM-254, "
ASSEMBLY" for the tight-
ening procedure.
If the standard is not met, replace main bearings.
CRUSH HEIGHT OF CONNECTING ROD BEARING
When connecting rod bearing cap is removed after being tight-
ened to the specified torque with connecting rod bearings
installed, the tip end of bearing must protrude. Refer to EM-254,
"ASSEMBLY" for the tightening procedure.
If the standard is not met, replace connecting rod bearings.
DRIVE PLATE
Check drive plate and signal plate for deformation or cracks.
CAUTION:
Do not disassemble drive plate.
Do not place drive plate with signal plate facing down.
When handling signal plate, take care not to damage or
scratch it.
Handle signal plate in a manner that prevents it from
becoming magnetized.
If anything is found, replace drive plate.Standard : There must be crush height.
SEM502G
Standard : There must be crush height.
PBIC1646E
PBIC2367E
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![INFINITI M35 2006 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)
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SPARK PLUG
Unit: mm (in)
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
*: Total indicat INFINITI M35 2006 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)
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SPARK PLUG
Unit: mm (in)
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
*: Total indicat](/manual-img/42/57023/w960_57023-3339.png)
SERVICE DATA AND SPECIFICATIONS (SDS)
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SPARK PLUG
Unit: mm (in)
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
*: Total indicator reading
Va l v e L i f t e r
Unit: mm (in)
Valve Clearance
Unit: mm (in)
*: Approximately 80
C (176F) MakeNGK
Standard typePLFR5A-11
Hot typePLFR4A-11
Cold typePLFR6A-11
Gap (Nominal)1.1 (0.043)
ItemsStandard Limit
Camshaft journal clearanceNo. 1 0.045 - 0.083 (0.0018 - 0.0033) —
No. 2, 3, 4, 5 0.030 - 0.068 (0.0012 - 0.0027) —
Camshaft journal diameterNo. 1 25.938 - 25.955 (1.0212 - 1.0218) —
No. 2, 3, 4, 5 25.953 - 25.970 (1.0218 - 1.0224) —
Camshaft bracket inner diameter 26.000 - 26.021 (1.0236 - 1.0244)—
Camshaft end play 0.115 - 0.188 (0.0045 - 0.0074) —
Cam height “A”Intake 44.865 - 45.055 (1.7663 - 1.7738) 0.2 (0.008)
Exhaust 43.925 - 44.115 (1.7293 - 1.7368) 0.2 (0.008)
Camshaft runout [TIR*] 0.02 (0.001) 0.05 (0.002)
Camshaft sprocket runout [TIR*] — 0.15 (0.059)
SEM671
ItemsStandard
Valve lifter outer diameter 33.965 - 33.975 (1.3372 - 1.3776)
Valve lifter hole diameter 34.000 - 34.016 (1.3386 - 1.3392)
Valve lifter clearance 0.025 - 0.051 (0.0010 - 0.0020)
Items Cold Hot* (reference data)
Intake 0.26 - 0.34 (0.010 - 0.013) 0.304 -0.416 (0.012 - 0.016)
Exhaust 0.29 - 0.37 (0.011 - 0.015) 0.308 - 0.432 (0.012 - 0.017)
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SERVICE DATA AND SPECIFICATIONS (SDS)
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Valve Seat
Unit: mm (in)
Valve Spring
Items Standard Service
Cylinder head seat recess diameter “D”Intake 37.000 - 37.016 (1.4567 - 1.4573) 37.500 - 37.516 (1.4764 - 1.4770)
Exhaust 32.200 - 32.216 (1.2677 - 1.2683) 32.700 - 32.716 (1.2874 - 1.2880)
Valve seat interference fitIntake 0.081 - 0.113 (0.0032 - 0.0044)
Exhaust 0.064 - 0.096 (0.0025 - 0.0038)
Valve seat outer diameter “d”Intake 37.097 - 37.113 (1.4605 - 1.4611) 37.597 - 37.613 (1.4802 - 1.4808)
Exhaust 32.280 - 32.296 (1.2709 - 1.2715) 32.780 - 32.796 (1.2905 - 1.2912)
PBIC2379E
Free height mm (in) 46.35 - 46.85 (1.8247 - 1.8444)
Pressure N (kg, lb) at height mm (in)Installation 165 - 189 (16.8 - 19.3, 37 - 42) at 33.8 (1.331)
Valve open 290 - 330 (29.6 - 33.7, 65 - 74) at 24.4 (0.961)
Out-of-square mm (in) Limit 2.0 (0.079)
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FRONT FINAL DRIVE ASSEMBLY
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Disassembly and AssemblyNDS000EV
COMPONENTS
1. Drive pinion lock nut 2. Companion flange 3. Front oil seal
4. Pinion front bearing 5. Drive pinion bearing adjusting
washer6. Drive pinion adjusting washer
7. Gear carrier 8. Pinion rear bearing 9. Pinion height adjusting washer
10. Drive pinion 11. Drive gear 12. Side oil seal (right side)
13. Side retainer 14. O-ring 15. Side bearing adjusting shim
16. Side bearing 17. Differential case 18. Breather connector
19. Dowel pin 20. Filler plug 21. Drain plug
22. Gasket 23. Carrier cover 24. Gear oil defence
25. Side gear thrust washer 26. Side gear 27. Circular clip
28. Pinion mate thrust washer 29. Pinion mate gear 30. Pinion mate shaft
31. Lock pin 32. Side bearing adjusting washer 33. Side oil seal (left side)
PDIA0791J
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FFD-18
FRONT FINAL DRIVE ASSEMBLY
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4. If tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X).
PDIA0667E
SDIA0517E
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FRONT FINAL DRIVE ASSEMBLY
FFD-19
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If the tooth contact is near the face (face contact), or near the
heel (heel contact), thicken pinion height adjusting washers to
move drive pinion closer to drive gear.
Refer to FFD-36, "
Pinion Height Adjusting Washer" .
If the tooth contact is near the flank (flank contact), or near the
toe (toe contact), thin pinion height adjusting washers to move
drive pinion farther from drive gear.
Refer to FFD-36, "
Pinion Height Adjusting Washer" .
Backlash
1. Remove carrier cover. Refer to FFD-20, "Differential Assembly" .
2. Fit a dial indicator to the drive gear face to measure the back-
lash.
If the backlash is outside of the specified value, change the
thickness of side bearing adjusting washer.
Companion Flange Runout
1. Fit a dial indicator onto the companion flange face (inner side of
the propeller shaft mounting bolt holes).
2. Rotate companion flange to check for runout.
3. Fit a test indicator to the inner side of companion flange (socket
diameter).
4. Rotate companion flange to check for runout.
5. If the runout value is outside the runout limit, follow the proce-
dure below to adjust.
a. Check for runout while changing the phase between companion flange and drive pinion by 90
step, and
search for the position where the runout is the minimum.
b. If the runout value is still outside of the limit after the phase has been changed, possible cause will be an
assembly malfunction of drive pinion and pinion bearing and malfunction of pinion bearing. Check for
these items and repair if necessary.
PDIA0440E
PDIA0441E
Backlash: 0.10 - 0.15 mm (0.0039 - 0.0059 in)
When the backlash is large:
Decrease side bearing adjusting washer thickness.
Refer to FFD-36, "
Side Bearing Adjusting Washer" .
When the backlash is small:
Increase side bearing adjusting washer thickness.
Refer to FFD-36, "
Side Bearing Adjusting Washer" .
SDIA0009J
Runout limit: 0.18 mm (0.0070 in)
Runout limit: 0.13 mm (0.0051 in)
PDIA0646E