TECHNICAL DATA

2.1 ENGINE 2.1.1 Engine type

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet 16V 2.4 M-jet 20V

Type code 939A6000 939A5000 939A1000 939A2000 939A3000

In-vehicle position Front Front Front Front Front

Orientation Transversal Transversal Transversal Transversal Transversal

No. of cylinders 4 4 4 4 5

Cylinder

arrangement In-line In-line In-line In-line In-line

Number of valves

per cylinder 4 4 4 4 4

Cycle Otto Otto Diesel Diesel Diesel

Timing 2ACT 2ACT 1ACT 2ACT 2ACT

Fuel Petrol Petrol Diesel Diesel Diesel

Fuel feed system JTS JTS Multijet Multijet Multijet

2.1.2 Engine specifications

tappets 0.30±0.05 Hydraulic

tappets Hydraulic tappets Cold valve clearance

Exhaust (mm)

Hydraulic tappets

Hydraulic

tappets 0.35±0.05 Hydraulic

tappets Hydraulic tappets

Suction

Exhaust

EDC16c39 Bosch EDC16c39 Bosch EDC16c39

Injection order 1-3-4-2 1-3-4-2 1-3-4-2 1-3-4-2 1-2-4-5-3

Ignition

012 Bitron Bitron

Glow plugs __ __ Bosch

Firing order 1-3-4-2 1-3-4-2 1-3-4-2 1-3-4-2 1-2-4-5-3

2.1.5 Characteristic curves of the engine

1.9 JTS engine

Maximum torque: 190 Nm @ 4500 rpm Maximum power: 118 KW @ 6500 rpm

2.2 JTS engine

Maximum torque: 230 Nm @ 4500 rpm Maximum power: 136 KW @ 6500 rpm

1.9 Multijet 8V 120 HP engine Maximum torque: 280 Nm @ 2000 rpm

Maximum power: 88 KW @ 4000 rpm

1.9 Multijet 16V 150 HP engine Maximum torque: 315 Nm @ 2000 rpm

2.4 Multijet 20V 200 HP engine Maximum torque: 410 Nm @ 2000 rpm Maximum power: 147 KW @ 4000 rpm

2.1.6 Engine cooling

Thermostat

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet 16V 2.4 M-jet 20V

Calibration (ºC) 82±2 82±2 88±2 88±2 80±2

2.2 TRANSMISSION

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet 16V 2.4 M-jet 20V Traction Front

Transversal Front

Transversal Front

Transversal Front Transversal Front Transversal

2.3 CLUTCH

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet 16V 2.4 M-jet 20V Type Dry single plate Dry single plate Dry single plate Dry single plate Dry single plate

Operation Push-type Push-type Push-type Push-type Push-type

Control

Gears helical teeth helical teeth helical teeth

1st gear ratio 3.818 3.818 3.818

Reverse gear ratio 3.545 3.545 3.545

1.9 Multijet16V 2.4 Multijet 20V 2.4 Multijet 20V automatic

Type M32 F40 Aisin AF40-6

Synchronisers I, II, III, IV, V, VI, R I, II, III, IV, V, VI, R __

Gears helical teeth helical teeth helical teeth

1st gear ratio 3.818 3.769 4.148

Reverse gear ratio 3.545 3.538 3.394

2.5 DIFFERENTIAL

1.9 JTS 2.2 JTS 1.9 M-jet 8V

Reduction cylindrical torque

ratio 4.176 4.176 3.650

Wheel ratio I 15.944 15.944 13.936

Wheel ratio II 9.826 9.826 7.877

Wheel ratio III 6.560 6.560 4.752

Wheel ratio IV 4.786 4.786 3.500

Wheel ratio V 3.938 3.938 2.716

Wheel ratio VI 3.596 3.596 2.241

Wheel ratio R 14.804 14.804 12.939

1.9 M-jet 16V 2.4 M-jet 20V

Reduction cylindrical torque ratio 3.650 3.545

Wheel ratio I 13.936 13.361

Wheel ratio II 7.877 7.231

Wheel ratio II 4.752 4.682

Wheel ratio IV 3.500 3.381

Wheel ratio V 2.716 2.676

Wheel ratio VI 2.241 2.208

Wheel ratio R 12.939 12.542

2.6 BRAKES

2.6.1 Braking system

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V Type Hydraulic power

assisted Hydraulic power

assisted Hydraulic power

assisted Hydraulic power

assisted Hydraulic power assisted Brake booster

cylinder diameter

Tandem (9”+9”) Tandem (9”+9”) Tandem (9”+9”) Tandem (9”+9”) Tandem (9”+9”) Anti-locking system TRW EBC430 TRW EBC430 TRW EBC430 TRW EBC430 TRW EBC430

2.6.2 Front brakes

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V

Disc type Ventilated Ventilated Ventilated Ventilated Ventilated

Disc diameter (mm) 305 305 305 305 330

Nominal thickness

(mm) 28 28 28 28 28

Minimum thickness

after refacing (mm) 26.35 26.35 26.35 26.35 26.35

Minimum admitted Disc type Not ventilated Not ventilated Not ventilated Not ventilated Ventilated

Disc diameter (mm) 278 278 278 278 292

Nominal thickness

(mm) 12 12 12 12 22

Minimum thickness

after refacing (mm) 10.35 10.35 10.35 10.35 10.35

Minimum admitted

Number of turns of steering wheel (total

2.8 FRONT SUSPENSIONS 2.8.1 Helical springs

Basic and medium outfits

Basic and medium

outfits 1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V

Wire diameter (mm) 13.6 ±0.05 13.6 ±0.05 13.9 ±0.05 13.9 ±0.05 __

No. of active turns 5.83 5.83 5.83 5.83 __

Hand of helix Right Right Right Right __

Free spring height

Hand of helix Right Right Right Right Right

Free spring height

Type bi-tubo bi-tubo bi-tubo bi-tubo bi-tubo

Open length (start of

damping) mm 446.2 ± 2.5 446.2 ± 2.5 446.2 ± 2.5 446.2 ± 2.5 446.2 ± 2.5

2.9 REAR SUSPENSIONS

Hand of helix Right Right Right Right Right

Free spring height

Type bi-tubo bi-tubo bi-tubo bi-tubo bi-tubo

Open length (start of

damping) mm 435 ± 2.5 435 ± 2.5 435 ± 2.5 435 ± 2.5 435 ± 2.5

2.10 TRIM AND CHARACTERISTIC ANGLES

Tyre pressure for inspections and adjustments (bars)

Tyres Front Rear

205/55 R16 2.3 2.3

215/55 R16 2.3 2.3

225/50 R17 2.5 2.5

235/40 R18 2.7 2.5

2.10.1 Trim (Std. A conditions)

Front suspension trim measurement

Standard A: vehicle in running order with full tank and tyres inflated at specified pressure

Rear suspension trim measurement

Standard A: vehicle in running order with full tank and tyres inflated at specified pressure

Version and outfit

A - B (mm) D - C (mm)

1.9 16V “basic” 205/55 R16 tyres 113.4 14.9

1.9 16V “medium” 215/55 R16 tyres 116.0 13.6

1.9 16V “high” 215/55 R16 tyres 115.6 11.7

2.2 16V “medium” 215/55 R16 tyres 117.9 12.6

2.2 16V “high” 215/55 R16 tyres 116.5 10.8

1.9 M-jet 8V “basic” 205/55 R16 tyres 113.9 13.0

1.9 M-jet 8V “medium” 215/55 R16 tyres 115.5 11.7

1.9 M-jet 8V “high” 215/55 R16 tyres 115.1 9.8

1.9 M-jet 16V “basic” 205/55 R16 tyres 116.6 13.0

1.9 M-jet 16V “medium” 215/55 R16 tyres 118.3 12.7

1.9 M-jet 16V “high” 215/55 R16 tyres 116.9 10.8

2.4 Multijet 20V “medium” 225/50 R17 tyres 111.6 10.4

2.4 Multijet 20V “high” 225/50 R17 tyres 115.2 9.5

2.4 Multijet 20V automatic “high” 225/50 R17 tyres 113.4 10.5

NOTE: The “Basic”, “Medium” and “High” outfits are those previous referred to as “L1”, “L2” and “L3” outfits in the briefing.

2.10.2 Front suspension (Std. A conditions)

Characteristic angles

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V Camber (°) - 0º 20’ ± 18’ - 0º 20’ ± 18’ - 0º 20’ ± 18’ - 0º 20’ ± 18’ - 0º 20’ ± 18’

Caster (°) 4º 17’ ± 18’ 4º 17’ ± 18’ 4º 11’ ± 18’ 4º 11’ ± 18’ 4º 12’ ± 18’

Toe-in (mm) - 2 ± 0.4 - 2 ± 0.4 - 2 ± 0.4 - 2 ± 0.4 - 2 ± 0.4

2.10.3 Rear suspension (Std. A conditions)

Characteristic angles

Standard A: vehicle in running order with full tank and tyres inflated at specified pressure

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V Camber (°) - 0º 40’ ± 18’ - 0º 40’ ± 18’ - 0º 40’ ± 18’ - 0º 40’ ± 18’ - 0º 40’ ± 18’

Caster (°) 4º 17’ ± 18’ 4º 17’ ± 18’ 4º 11’ ± 18’ 4º 11’ ± 18’ 4º 12’ ± 18’

Toe-in (mm) 3.2 ± 0.4 3.2 ± 0.4 3.2 ± 0.4 3.2 ± 0.4 3.2 ± 0.4

2.11 ALTERNATOR

2.11.1 Characteristic data

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V

2.12.1 Characteristic data

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V mechanical

Manufacturer Mitsubishi Mitsubishi Bosch Bosch Bosch

Code type 4j 16

2.14 FLUIDS AND LUBRICANTS 2.14.1 Oils and fluids

Recommended product specifications

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V Engine oil Selenia Star Selenia Star Selenia WR Selenia WR Selenia WR

Gearbox/

front differential oil

Tutela Car Matryx Tutela Car Matryx Tutela Car Matryx Tutela Car

Matryx Tutela Car Matryx

2.14.2 Greases

Recommended product specifications

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V Front CV joint

differential side Tutela MRM Zero Tutela MRM Zero Tutela MRM Zero Tutela MRM

Zero Tutela MRM Zero Front CV joint

wheel side Tutela STAR 500 Tutela STAR 500 Tutela STAR 500 Tutela STAR 500 Tutela STAR 500 Wheel hubs,

2.14.3 Lubricant capacity

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V Engine oil - scheduled

replacement, sump

2.15 VEHICLE FEATURES 2.15.1 Dimensions

The following figure shows the main dimensions of the vehicle expressed in mm.

The values in brackets refer to versions fitting 215/55 R16 tyres.

The values in brackets refer to versions fitting 215/55 R16 tyres.

2.15.2 Performance

1.9 JTS 2.2 JTS 1.9 M-jet 8V 1.9 M-jet16V 2.4 M-jet 20V

Top speed (km/h) 212 222 191 210 228

Acceleration (S)

(0-100) 9,7 8,8 11 9,4 8,4

2.15.3 Capacities

Oil sump and filter

(litres) 5,4 5,4 4,6 4,6 4,6

All powerplants respect Euro 4 emission limits.

2.15.6 Tyres and inflation pressures (bars)

1.9 JTS version

1.9 M-jet 8V version

Size Front low load

1.9 M-jet 16V version

2.4 M-jet 20V version

Size Front low load

Check tyre conditions and wear, and adjust pressure, if required

10 20 30 60 90 120 150 180 200

In document Alfa Romeo 159 Training Manual1 (Page 27-40)