SPECIFICATION
| SPECIFICATION |
| Model | Saab 9-2X 2.5i Linear | |||
|
Engine
|
Cylinder arrangement
|
Horizontally
opposed, liquid cooled, 4-cylinder,
4-stroke gasoline engine |
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|
Valve system mechanism
|
Belt
driven, single over-head camshaft, 4-valve/cylinder
|
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|
Bore × Stroke
|
mm
(in)
|
99.5 × 79.0
(3.917 × 3.110)
|
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|
Displacement
|
cm
3
(cu in)
|
2,457
(150)
|
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|
Compression ratio
|
10.0
|
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|
Compression pressure (at 350 rpm)
|
kPa
(kg/cm
2
, psi)
|
1,020 — 1,275
(10.4 — 13.0, 148 — 185)
|
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|
Number of piston rings
|
Pressure
ring: 2, Oil ring: 1
|
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|
Intake valve timing
|
Open
|
BTDC
2°
|
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|
Close
|
ABDC
56°
|
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|
Exhaust valve timing
|
Open
|
BBDC 40°
|
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|
Close
|
ATDC
8°
|
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|
Valve clearance
|
mm (in)
|
Intake
|
0.20±0.04
(0.0079±0.0016)
|
|
|
Exhaust
|
0.25±0.04
(0.0098±0.0016)
|
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|
Idle speed [at neutral position
on MT, or “P” or “N” range on
AT]
|
rpm
|
650±100
(No load)
850±100 (A/C ON) |
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|
Ignition order
|
1 → 3 → 2 → 4
|
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|
Ignition timing
|
BTDC/rpm
|
MT
|
10°±8°/650
|
|
|
AT
|
15°±8°/700
|
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| Note | ||
|
US: undersize OS: oversize |
|
Belt
tension adjuster
|
Protrusion of adjuster rod
|
mm
(in)
|
5.2 — 6.2
(0.205 — 0.244)
|
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|
Belt tensioner
|
Spacer O.D.
|
mm
(in)
|
17.955 — 17.975
(0.7069 — 0.7077)
|
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|
Tensioner bushing I.D.
|
mm
(in)
|
18.00 — 18.08
(0.7087 — 0.7118)
|
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|
Clearance between spacer and bushing
|
mm (in)
|
Standard
|
0.025 — 0.125
(0.0010 — 0.0049)
|
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|
Side clearance of spacer
|
mm (in)
|
Standard
|
0.20 — 0.55
(0.0079 — 0.0217)
|
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|
Valve
rocker arm
|
Clearance between shaft and arm
|
mm (in)
|
Standard
|
0.020 — 0.054
(0.0008 — 0.0021)
|
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|
Camshaft
|
Bend limit
|
mm
(in)
|
0.025
(0.0010)
|
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|
Side clearance
|
mm (in)
|
Standard
|
0.030 — 0.090
(0.0012 — 0.0035)
|
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|
Cam lobe height
|
mm (in)
|
Intake
|
Standard
|
39.485 — 39.585
(1.5545 — 1.5585)
|
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|
Exhaust
|
Standard
|
39.720 — 39.820
(1.5491 — 1.5530)
|
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|
Camshaft journal O.D.
|
mm
(in)
|
31.928 — 31.945
(1.2570 — 1.2577)
|
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|
Camshaft journal hole I.D.
|
mm
(in)
|
32.000 — 32.018
(1.2598 — 1.2605)
|
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|
Oil clearance
|
mm (in)
|
Standard
|
0.055 — 0.090
(0.0022 — 0.0035)
|
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|
Cylinder Head
|
Surface warpage limit (mating with cylinder block)
|
mm
(in)
|
0.03
(0.001)
|
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|
Grinding limit
|
mm
(in)
|
0.1
(0.004)
|
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|
Standard height
|
mm
(in)
|
97.5
(3.84)
|
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|
Valve seat
|
Refacing angle
|
90°
|
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|
Contacting width
|
mm (in)
|
Intake
|
Standard
|
0.8 — 1.4
(0.03 — 0.055)
|
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|
Exhaust
|
Standard
|
1.2 — 1.8
(0.047 — 0.071)
|
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|
Valve guide
|
Inside diameter
|
mm
(in)
|
6.000 — 6.012
(0.2362 — 0.2367)
|
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|
Protrusion above head
|
mm (in)
|
Intake
|
20.0 — 21.0
(0.787 — 0.827)
|
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Exhaust
|
16.5 — 17.5
(0.650 — 0.689)
|
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|
Valve
|
Head edge thickness
|
mm (in)
|
Intake
|
Standard
|
0.8 — 1.2
(0.03 — 0.047)
|
|
|
Exhaust
|
Standard
|
1.0 — 1.4
(0.039 — 0.055)
|
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|
Stem outer diameters
|
mm (in)
|
Intake
|
5.950 — 5.965
(0.2343 — 0.2348)
|
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|
Exhaust
|
5.945 — 5.960
(0.2341 — 0.2346)
|
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|
Valve stem gap
|
mm (in)
|
Standard
|
Intake
|
0.035 — 0.062
(0.0014 — 0.0024)
|
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|
Exhaust
|
0.040 — 0.067
(0.0016 — 0.0026)
|
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|
Overall length
|
mm (in)
|
Intake
|
120.6
(4.75)
|
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|
Exhaust
|
121.7
(4.79)
|
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|
Valve springs
|
Free length
|
mm
(in)
|
54.30
(2.1378)
|
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|
Squareness
|
2.5°,
2.4 mm (0.094 in) or less
|
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|
Tension/spring height
|
N (kgf, lb)/mm (in)
|
Set
|
214 — 246
(22 — 25, 48 — 55)/ 45.0 (1.772)
|
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|
Lift
|
526 — 582
(54 — 59, 119 — 130)/ 34.7 (1.366)
|
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|
Cylinder block
|
Surface warpage limit (mating with cylinder head)
|
mm
(in)
|
0.025
(0.00098)
|
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|
Grinding limit
|
mm
(in)
|
0.1
(0.004)
|
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|
Standard height
|
mm
(in)
|
201.0
(7.91)
|
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|
Cylinder inner diameter
|
mm (in)
|
Standard
|
A
|
99.505 — 99.515
(3.9175 — 3.9179)
|
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|
B
|
99.495 — 99.505
(3.9171 — 3.9175)
|
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|
Taper
|
mm (in)
|
Standard
|
0.015
(0.0006)
|
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|
Out-of-roundness
|
mm (in)
|
Standard
|
0.010
(0.0004)
|
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|
Piston clearance
|
mm (in)
|
Standard
|
−0.010 — 0.010
(−0.00039 — 0.00039)
|
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|
Boring limit
|
mm
(in)
|
0.5
(0.020)
|
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|
Piston
|
Outer diameter
|
mm (in)
|
Standard
|
A
|
99.505 — 99.515
(3.9175 — 3.9179)
|
|
|
B
|
99.495 — 99.505
(3.9171 — 3.9175)
|
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|
0.25 (0.0098) OS
|
99.745 — 99.765
(3.9270 — 3.9278)
|
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|
0.50 (0.0197) OS
|
99.995 — 100.015
(3.9368 — 3.9376)
|
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|
Piston pin standard diameter
|
mm
(in)
|
23.000 — 23.006
(0.9055 — 0.9057)
|
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|
Piston pin
|
Outer diameter
|
mm
(in)
|
22.994 — 23.000
(0.9053 — 0.9055)
|
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|
Standard clearance between piston and piston pin
|
mm
(in)
|
0.004 — 0.008
(0.0002 — 0.0003)
|
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|
Degree of fit
|
Piston
pin must be fitted into position with thumb at 20°C (68°F).
|
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|
Piston Ring
|
Ring closed gap
|
mm (in)
|
Top ring
|
Standard
|
0.20 — 0.35
(0.0079 — 0.0138)
|
|
|
Second ring
|
Standard
|
0.37 — 0.52
(0.0144 — 0.0203)
|
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|
Oil ring
|
Standard
|
0.20 — 0.50
(0.0079 — 0.0197)
|
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|
Ring groove gap
|
mm (in)
|
Top ring
|
Standard
|
0.040 — 0.080
(0.0016 — 0.0031)
|
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|
Second ring
|
Standard
|
0.030 — 0.070
(0.0012 — 0.0028)
|
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|
Connecting Rod
|
Bend twist per 100 mm (3.94 in) in length
|
mm (in)
|
Limit
|
0.10
(0.0039)
|
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|
Side clearance of large end
|
mm (in)
|
Standard
|
0.070 — 0.330
(0.0028 — 0.0130)
|
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|
Bearing of large end
|
Oil clearance
|
mm (in)
|
Standard
|
0.016 — 0.044
(0.00063 — 0.0017)
|
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|
Bearing size
(Thickness at center) |
mm (in)
|
Standard
|
1.492 — 1.501
(0.0587 — 0.0591)
|
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|
0.03 (0.0012) US
|
1.510 — 1.513
(0.0594 — 0.0596)
|
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|
0.05 (0.0020) US
|
1.520 — 1.523
(0.0598 — 0.0600)
|
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|
0.25 (0.0098) US
|
1.620 — 1.623
(0.0638 — 0.0639)
|
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|
Bush
of small end
|
Clearance between piston pin and bushing
|
mm (in)
|
Standard
|
0 — 0.022
(0 — 0.0009)
|
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|
Crankshaft
|
Bend limit
|
mm
(in)
|
0.035
(0.0014)
|
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|
Crank pin
|
Out-of-roundness
|
mm
(in)
|
0.003
(0.0001)
|
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|
Cylindricality
|
mm
(in)
|
0.004
(0.0002)
|
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|
Grinding limit (dia.)
|
mm
(in)
|
To
51.750 (2.0374)
|
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|
Crank journal
|
Out-of-roundness
|
mm
(in)
|
0.005
(0.0002)
|
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|
Cylindricality
|
mm
(in)
|
0.006
(0.0002)
|
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|
Grinding limit (dia.)
|
mm
(in)
|
To
59.750 (2.3524)
|
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|
Crank pin outer diameter
|
mm (in)
|
Standard
|
51.984 — 52.000
(2.0466 — 2.0472)
|
|||
|
0.03 (0.0012) US
|
51.954 — 51.970
(2.0454 — 2.0461)
|
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|
0.05 (0.0020) US
|
51.934 — 51.950
(2.0446 — 2.0453)
|
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|
0.25 (0.0098) US
|
51.734 — 51.750
(2.0368 — 2.0374)
|
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|
Crank journal outer diameter
|
mm (in)
|
Standard
|
59.992 — 60.008
(2.3619 — 2.3625)
|
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|
0.03 (0.0012) US
|
59.962 — 59.978
(2.3607 — 2.3613)
|
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|
0.05 (0.0020) US
|
59.942 — 59.958
(2.3599 — 2.3605)
|
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|
0.25 (0.0098) US
|
59.742 — 59.758
(2.3520 — 2.3527)
|
|||||
|
Side clearance
|
mm (in)
|
Standard
|
0.030 — 0.115
(0.0012 — 0.0045)
|
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|
Oil clearance
|
mm (in)
|
Standard
|
0.010 — 0.030
(0.0001 — 0.0012)
|
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|
Main bearing
|
Main bearing
mm (in) |
#1, #3
|
Standard
|
1.998 — 2.011
(0.0787 — 0.0792)
|
||
|
0.03 (0.0012) US
|
2.017 — 2.020
(0.0794 — 0.0795)
|
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|
0.05 (0.0020) US
|
2.027 — 2.030
(0.0798 — 0.0799)
|
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|
0.25 (0.0098) US
|
2.127 — 2.130
(0.0837 — 0.0839)
|
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|
#2, #4, #5
|
Standard
|
2.000 — 2.013
(0.0787 — 0.0793)
|
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|
0.03 (0.0012) US
|
2.019 — 2.022
(0.0795 — 0.0796)
|
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|
0.05 (0.0020) US
|
2.029 — 2.032
(0.0799 — 0.0800)
|
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|
0.25 (0.0098) US
|
2.129 — 2.132
(0.0838 — 0.0839)
|
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