Nissan Altima L32. Manual - part 674

 

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Nissan Altima L32. Manual - part 674

 

 

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< SERVICE DATA AND SPECIFICATIONS (SDS) 

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SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

VALVE OIL SEAL

Unit: mm (in)

VALVE GUIDE

Unit: mm (in)

Valve head diameter (D)

Intake

36.6 - 36.9 (1.441 - 1.453)

Exhaust

30.2 - 30.5 (1.189 - 1.201)

Valve length (L)

Intake

97.13 (3.8240)

Exhaust

94.67 (3.7272)

Valve stem diameter (d)

Intake

5.965 - 5.980 (0.2348 - 0.2354)

Exhaust

5.955 - 5.970 (0.2344 - 0.2350)

Valve seat angle 

α

Intake

45

°15′ - 45°45′

Exhaust

Valve margin (T)

Intake

1.15 - 1.45 (0.0453 - 0.0571)

Exhaust

1.45 - 1.75 (0.0571 - 0.0689)

Valve margin (T) limit

More than 0.5 (0.020)

Valve stem end surface grinding limit

Less than 0.2 (0.008)

SEM188

Description

Standard

Valve oil seal instalation height

14.3 - 14.9 (0.563 - 0.587)

Items

Standard

Oversize (Service) [0.2 (0.008)]

Valve guide

Outer diameter

10.023 - 10.034 (0.3946 - 0.3950) 10.223 - 10.234 (0.4025 - 0.4029)

Inner diameter (Finished size)

6.000 - 6.018 (0.2362 - 0.2369)

Cylinder head valve guide hole diameter

9.975 - 9.996 (0.3927 - 0.3935)

10.175 - 10.196 (0.4006 - 0.4014)

Interference fit of valve guide

0.027 - 0.059 (0.0011 - 0.0023)

Items

Standard

Limit

SEM950E

SERVICE DATA AND SPECIFICATIONS (SDS)

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VALVE SEAT

Unit: mm (in)

*:Machining data

Valve guide clearance

Intake

0.020 - 0.053 (0.0008 - 0.0021)

0.08 (0.0031)

Exhaust

0.040 - 0.073 (0.0016 - 0.0029)

0.01 (0.004)

Valve deflection

Intake

—

0.24 (0.0094)

Exhaust

—

0.28 (0.0110)

Projection length (L)

12.6 - 12.8 (0.496 - 0.504)

Items

Standard

Oversize (Service) [0.5 (0.02)]

Cylinder head seat recess diameter (D)

Intake (A)

38.000 - 38.016 (1.4961 - 1.4967)

38.500 - 38.516 (1.5157 - 1.5164)

Exhaust (B)

31.600 - 31.616 (1.2441 - 1.2447)

32.100 - 32.116 (1.2638 - 1.2644)

Valve seat outer diameter

Intake

38.097 - 38.113 (1.4999 - 1.5005)

38.597 - 38.613 (1.5196 - 1.5202)

Exhaust

31.680 - 31.696 (1.2472 - 1.2479)

32.180 - 32.196 (1.2669 - 1.2676)

Valve seat interference fit

Intake

0.081 - 0.113 (0.0032 - 0.0044)

Exhaust

0.064 - 0.096 (0.0025 - 0.0038)

Height (h)

Intake (A)

5.9 - 6.0 (0.232 - 0.236)

5.05 - 5.15 (0.1988- 0.2028)

Exhaust (B)

5.9 - 6.0 (0.232 - 0.236)

4.95 - 5.05 (0.1949 - 0.1988)

Contacting width (W)*

Intake (A)

1.18 - 1.22 (0.0465 - 0.0480)

Exhaust (B)

1.38 - 1.42 (0.0543 - 0.0559)

Cylindr head seat recess depth (H)

6.0 (0.236)

Depth (L)

Intake (A)

41.16 - 41.76 (1.6205 - 1.6441)

Exhaust (B)

41.09 - 41.69 (1.6177 - 1.6413)

AWBIA0033GB

SEM621F

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SERVICE DATA AND SPECIFICATIONS (SDS)

VALVE SPRING

Unit: mm (in)

Cylinder Block

INFOID:0000000004505055

CYLINDER BLOCK

Unit: mm (in)

Items

Standard

Free height

47.07 mm (1.8531 in)

Installation height

37.0 mm (1.457 in)

Installation load

166 - 188 N (16.9 - 19.2 kg, 37 - 42 lb)

Height during valve open

27.2 mm (1.071 in)

Load with valve open

373 - 421 N (38.0 - 42.9 kg, 84 - 95 lb)

Items

Limit

Squareness

Less than 2.0 (0.079)

Surface distortion

Standard

Less than 0.03 (0.0012)

Limit

0.10 (0.0039)

Main bearing housing inner diameter

Standard

63.993 - 64.017 (2.5194 - 2.5203)

Cylinder bore

Inner diameter

Standard

Grade No. 1

95.500 - 95.510 (3.7598 - 3.7602)

Grade No. 2

95.510 - 95.520 (3.7602 - 3.7606)

Grade No. 3

95.520 - 95.530 (3.7606 - 3.7610)

Wear limit

0.20 (0.0079)

Out-of-round 

Limit

0.015 (0.0006)

Taper (Difference between A and C)

0.015 (0.0006)

JPBIA2238GB

SERVICE DATA AND SPECIFICATIONS (SDS)

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AVAILABLE PISTON

Unit: mm (in)

PISTON RING

Unit: mm (in)

Main bearing housing inner diameter grade (Without bearing)

Grade No. A
Grade No. B
Grade No. C
Grade No. D
Grade No. E
Grade No. F
Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N
Grade No. P
Grade No. R
Grade No. S
Grade No. T
Grade No. U
Grade No. V
Grade No. W
Grade No. X
Grade No. Y
Grade No. 4
Grade No. 7

63.993 - 63.994 (2.5194 - 2.5194)
63.994 - 63.995 (2.5194 - 2.5195)
63.995 - 63.996 (2.5195 - 2.5195)
63.996 - 63.997 (2.5195 - 2.5196)
63.997 - 63.998 (2.5196 - 2.5196)
63.998 - 63.999 (2.5196 - 2.5196)
63.999 - 64.000 (2.5196 - 2.5197)
64.000 - 64.001 (2.5197 - 2.5197)
64.001 - 64.002 (2.5197 - 2.5198)
64.002 - 64.003 (2.5198 - 2.5198)
64.003 - 64.004 (2.5198 - 2.5198)
64.004 - 64.005 (2.5198 - 2.5199)
64.005 - 64.006 (2.5199 - 2.5199)
64.006 - 64.007 (2.5199 - 2.5200)
64.007 - 64.008 (2.5200 - 2.5200)
64.008 - 64.009 (2.5200 - 2.5200)
64.009 - 64.010 (2.5200 - 2.5201)

64.010 - 64.011 (2.5201 - 2.5201)
64.011 - 64.012 (2.5201 - 2.5202)

64.012 - 64.013 (2.5202 - 2.5202)
64.013 - 64.014 (2.5202 - 2.5202)
64.014 - 64.015 (2.5202 - 2.5203)
64.015 - 64.016 (2.5203 - 2.5203)
64.016 - 64.017 (2.5203 - 2.5203)

Difference in inner diameter between cylinders

Standard

Less than 0.03 (0.0012)

Items

Standard

Piston skirt diameter (A)

Grade No. 1

95.480 - 95.490 (3.7590 - 3.7594)

Grade No. 2

95.490 - 95.500 (3.7594 - 3.7598)

Grade No. 3

95.500 - 95.510 (3.7598 - 3.7602)

(a) dimension

38.0 (1.496)

Piston pin hole diameter

Grade No. 0

21.993 - 21.999 (0.8659 - 0.8661)

Grade No. 1

21.999 - 22.005 (0.8661 - 0.8663)

Piston to cylinder bore clearance

0.010 - 0.030 (0.0004 - 0.0012)

SEM882E

Items

Standard

Limit

Side clearance

Top

0.045 - 0.080 (0.0018 - 0.0031)

0.11 (0.0043)

2nd

0.030 - 0.070 (0.0012 - 0.0028)

0.1 (0.004)

Oil ring

0.045 - 0.125 (0.0018 - 0.0049)

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