Honda Civic manuals

Subaru Legacy Service Manual: Specification

Engine

Model

3.6 L

Cylinder arrangement

Horizontally opposed, liquid cooled, 6-cylinder,

4-stroke gasoline engine

Valve system mechanism

Chain driven, double overhead camshaft, 4-valve/cylinder

Bore - Stroke

mm (in)

92.0 - 91.0 (3.62 - 3.58)

Displacement

cm3 (cu in)

3,630 (221.5)

Compression ratio

10.5

Compression

(350 r/min and fully open throttle)

kPa (kg/cm2, psi)

Standard

1,128 — 1,471 (11.5 — 15.0, 164 — 213)

Number of piston rings

Pressure ring: 2, Oil ring: 1

Intake valve timing

Open

Max. retard

ATDC 10°

Min. advance

BTDC 40°

Close

Max. retard

ABDC 74°

Min. advance

ABDC 24°

Exhaust valve timing

Open

Max. retard

BBDC 4°

Min. advance

BBDC 44°

Close

Max. retard

ATDC 44°

Min. advance

ATDC 4°

Valve clearance

mm (in)

Intake

0.20+0.04 −0.06 (0.0079+0.0016 −0.0024)

Exhaust

0.35±0.05 (0.0138±0.0020)

Idle speed

[Select lever is in “P” or “N” range]

r/min

No load

Standard

700±100

A/C ON

Standard

700 — 910±100

Ignition order

1 > 6 > 3 > 2 > 5 > 4

Ignition timing

BTDC/{r/min}

Standard

15°±8°/700

NOTE:

OS: Oversize

US: Undersize

Camshaft

Bending limit

mm (in)

0.020 (0.00079)

Cam lobe height

mm (in)

Intake

Standard

45.90 — 46.00 (1.8071 — 1.8110)

Exhaust

Standard

44.65 — 44.75 (1.7579 — 1.7618)

Cam base circle diameter

mm (in)

Intake

Standard

36.00 (1.4173)

Exhaust

Standard

36.00 (1.4173)

Journal O.D.

mm (in)

Front

Standard

37.946 — 37.963 (1.4939 — 1.4946)

Except for front

Standard

25.946 — 25.963 (1.0215 — 1.0222)

Oil clearance

mm (in)

Standard

0.037 — 0.072 (0.0015 — 0.0028)

Thrust clearance

mm (in)

Intake

Standard

0.075 — 0.135 (0.0030 — 0.0053)

Exhaust

Standard

0.075 — 0.135 (0.0030 — 0.0053)

Cylinder head

Warping limit

(Mating surface with cylinder block)

mm (in)

0.020 (0.0008)

Standard height

mm (in)

124±0.05 (4.88±0.0020)

Valve seat

Seating angle between valve and valve seat

90°

Contacting width between valve and valve seat

mm (in)

Intake

Standard

1.0 (0.039)

Exhaust

Standard

1.5 (0.059)

Valve guide

Clearance between the valve guide and valve stem

mm (in)

Intake

Standard

0.030 — 0.057 (0.0012 — 0.0022)

Exhaust

Standard

0.040 — 0.067 (0.0016 — 0.0026)

Inside diameter

mm (in)

5.500 — 5.512 (0.2165 — 0.2170)

Valve stem outer diameters

mm (in)

Intake

5.455 — 5.470 (0.2148 — 0.2154)

Exhaust

5.445 — 5.460 (0.2144 — 0.2150)

Valve guide protrusion amount

Intake

mm (in)

8.6 — 9.0 (0.3386 — 0.3543)

Exhaust

mm (in)

10.7 — 11.1 (0.4213 — 0.4370)

Valve

Head edge thickness

mm (in)

Intake

Standard

1.0 (0.039)

Exhaust

Standard

1.2 (0.047)

Overall length

mm (in)

Intake

103.5 (4.075)

Exhaust

103.2 (4.063)

Valve spring

Free length

mm (in)

Intake

49.06 (1.9315)

Exhaust

49.06 (1.9315)

Tension/spring height

N (kgf, lb)/mm (in)

Set

182 — 210 (18.6 — 21.4, 40.9 — 47.2) /31.0 (1.220)

Lift

316 — 350 (32.2 — 35.7, 71.0 — 78.7) /21.0 (0.827)

Squareness

2.5°, 2.1 mm (0.083 in)

Valve lifter

Outer diameter

mm (in)

Standard

32.959 — 32.975 (1.2976 — 1.2982)

Valve lifter mating surface inner diameter

mm (in)

Standard

32.994 — 33.016 (1.2990 — 1.2998)

Valve lifter and valve lifter mating surface clearance

mm (in)

Standard

0.019 — 0.057 (0.0007 — 0.0022)

Cylinder block

Warping limit

(Mating surface with cylinder head)

mm (in)

0.020 (0.0008)

Standard height

mm (in)

202 (7.95)

Cylindricality

mm (in)

Limit

0.030 (0.0012)

Out-of-roundness

mm (in)

Limit

0.030 (0.0012)

Clearance between cylinder and piston at 20°C (68°F)

mm (in)

Standard

−0.010 — 0.010 (−0.0004 — 0.0004)

Cylinder inner diameter boring limit (diameter)

mm (in)

92.515 (3.6717)

Piston

Piston grade point

mm (in)

37.3 (1.4685)

Outer diameter

mm (in)

Standard

A

92.005 — 92.015 (3.6222 — 3.6226)

B

91.995 — 92.005 (3.6218 — 3.6222)

0.25 (0.0098) OS

92.245 — 92.265 (3.6317 — 3.6325)

0.50 (0.0197) OS

92.495 — 92.515 (3.6415 — 3.6423)

Inner diameter of piston pin hole

mm (in)

Standard

22.000 — 22.006 (0.8661 — 0.8664)

Piston pin

Degree of fit

Piston pin must be fitted into position with thumb at 20°C (68°F).

Outer diameter

mm (in)

Standard

21.994 — 22.000 (0.8659 — 0.8661)

Clearance between piston and piston pin

mm (in)

Standard

0.004 — 0.008 (0.0002 — 0.0003)

Piston ring

Piston ring gap

mm (in)

Top ring

Standard

0.20 — 0.35 (0.0079 — 0.0138)

Second ring

Standard

0.40 — 0.50 (0.0157 — 0.0197)

Oil ring

Standard

0.20 — 0.50 (0.0079 — 0.0197)

Clearance between piston ring and piston ring groove

mm (in)

Top ring

Standard

0.040 — 0.080 (0.0016 — 0.0031)

Second ring

Standard

0.030 — 0.070 (0.0012 — 0.0028)

Oil ring

Standard

0.065 — 0.165 (0.0026 — 0.0065)

Connecting rod and connecting rod bearing

Bend or twist per 100 mm (3.94 in) in length

mm (in)

Limit

0.10 (0.0039 in)

Thrust clearance

mm (in)

Standard

0.070 — 0.330 (0.0028 — 0.0130)

Oil clearance

mm (in)

Standard

0.016 — 0.043 (0.0006 — 0.0017)

Bearing size (thickness at center)

mm (in)

Standard

1.495 — 1.511 (0.0589 — 0.0595)

0.03 (0.0012) US

1.515 — 1.519 (0.0596 — 0.0598)

0.05 (0.0020) US

1.525 — 1.529 (0.0600 — 0.0602)

0.25 (0.0098) US

1.625 — 1.629 (0.0640 — 0.0641)

Bushing of small end

Clearance between piston pin and bushing

mm (in)

Standard

0 — 0.022 (0 — 0.0009)

Crankshaft and crankshaft bearing

Bending limit

mm (in)

0.035 (0.0014)

Crank pin

Out-of-roundness

mm (in)

Limit

0.005 (0.0002)

Cylindricality

mm (in)

Limit

0.006 (0.0002)

Grinding limit

mm (in)

51.734 (2.0368)

Crank journal

Out-of-roundness

mm (in)

Limit

0.005 (0.0002)

Cylindricality

mm (in)

Limit

0.006 (0.0002)

Grinding limit

mm (in)

63.742 (2.5095)

Crank pin outer diameter

mm (in)

Standard

51.976 — 52.000 (2.0463 — 2.0472)

0.03 (0.0012) US

51.954 — 51.970 (2.0454 — 2.0461)

0.05 (0.0020) US

51.934 — 51.950 (2.0446 — 2.0453)

0.25 (0.0098) US

51.734 — 51.750 (2.0368 — 2.0374)

Crank journal outer diameter

mm (in)

#1, #3, #5, #7

Standard

63.992 — 64.016 (2.5194 — 2.5203)

0.03 (0.0012) US

63.962 — 63.978 (2.5182 — 2.5188)

0.05 (0.0020) US

63.942 — 63.958 (2.5174 — 2.5180)

0.25 (0.0098) US

63.742 — 63.758 (2.5095 — 2.5102)

#2, #4, #6

Standard

63.992 — 64.016 (2.5194 — 2.5203)

0.03 (0.0012) US

63.962 — 63.978 (2.5182 — 2.5188)

0.05 (0.0020) US

63.942 — 63.958 (2.5174 — 2.5180)

0.25 (0.0098) US

63.742 — 63.758 (2.5095 — 2.5102)

Bearing size (thickness at center)

mm (in)

#1, #3, #5

Standard

1.996 — 2.013 (0.0786 — 0.0793)

0.03 (0.0012) US

2.011 — 2.014 (0.0792 — 0.0793)

0.05 (0.0020) US

2.021 — 2.024 (0.0796 — 0.0797)

0.25 (0.0098) US

2.121 — 2.124 (0.0835 — 0.0836)

#2, #4, #6

Standard

1.996 — 2.013 (0.0786 — 0.0793)

0.03 (0.0012) US

2.015 — 2.018 (0.0793 — 0.0794)

0.05 (0.0020) US

2.025 — 2.028 (0.0797 — 0.0798)

0.25 (0.0098) US

2.125 — 2.128 (0.0837 — 0.0838)

#7

Standard

1.992 — 2.009 (0.0784 — 0.0791)

0.03 (0.0012) US

2.011 — 2.014 (0.0792 — 0.0793)

0.05 (0.0020) US

2.021 — 2.024 (0.0796 — 0.0797)

0.25 (0.0098) US

2.121 — 2.124 (0.0835 — 0.0836)

Thrust clearance

mm (in)

Standard

0.040 — 0.212 (0.0016 — 0.0083)

Oil clearance

mm (in)

Standard

0.010 — 0.030 (0.0004 — 0.0012)

General description
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