Alfa Romeo1998–2001Technical specifications

145 1.9 JTD: Technical specifications

Workshop data for the 1.9-litre diesel (engine code 323.02). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (323.02) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Alfa Romeo
Model: 145
Years: 1998–2001
Fuel: Diesel
Engine code: 323.02

Performance & efficiency

Power: 77 kW (105 hp)
Engine size: 1,910 cc
Cylinders: 4 · OHC
Fuel system: Bosch

Fluids & capacities

Engine oil (with the filter): 4.2 litres

All 94 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity cc	1910
Fuel system Make	Bosch
Fuel system Type	EDC 15C

Injection system

Fuel/injection pump assembly Make	Bosch
Pump type	Common rail
Injector nozzle Make	Bosch
Nozzle opening pressure - new/used bar	150-1350

Injection sequence

The injection sequence for the Alfa Romeo 145 1.9 JTD (1998–2001) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Alfa Romeo 145 1.9 JTD (1998–2001) are 0,25-0,35 mm inlet and 0,30-0,40 mm exhaust, measured cold.

Valve clearance - INLET mm	0,25-0,35 cold
Valve clearance - EXHAUST mm	0,30-0,40 cold

Engine oil & fluids

Engine oil

The Alfa Romeo 145 1.9 JTD (1998–2001) takes 4.2 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

The manual gearbox has a listed capacity of 2.0 litres. The specified oil is SAE 75W-80 synthetic, with classification GL-5.

Coolant

The listed total cooling-system capacity is 6.1 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-40 Synthetic
Engine oil classification API/ACEA	CF/B3
Ambient temperature range	-15°C➞
Engine oil grade SAE	10W-40 Synthetic
Engine oil classification API/ACEA	CF/B3
Engine with filter(s) litres	4.2
Other lubricants and capacities
Manual transmission oil grade SAE	75W-80 Synthetic
Manual transmission oil classification	GL-5
Manual transmission litres	2.0
Cooling system - total capacity litres	6.1
Brake fluid Type	DOT 4
Brake fluid litres	0.5
Power steering fluid Type	Dexron II
Power steering fluid litres	1.1-1.3

Brakes & wear limits

Brake disc thickness

Brake discs on the Alfa Romeo 145 1.9 JTD (1998–2001) are replaced at a minimum thickness of 10,2 mm (solid) or 18,2 mm (ventilated) front and 9,2 mm rear.

Minimum disc thickness for replacement - solid Front	10,2 mm
Minimum disc thickness for replacement - ventilated Front	18,2 mm
Minimum disc thickness for replacement Rear	9,2 mm

Brake disc and drum dimensions

Disc runout Front	0,15 mm
Disc runout Rear	0,15 mm
Minimum pad thickness Front	1,5 mm
Minimum pad thickness Rear	1,5 mm
Parking brake travel No. of notches	3

Service & electrical

Battery

The Alfa Romeo 145 1.9 JTD (1998–2001) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).

Battery V/RC(Ah)	12/90 (60)

Tuning and emissions

Crankshaft position (n = ATDC) °BTDC	—
Adjusting method Engine/Pump	Pointer
Idle speed rpm	800±30
Oil temperature °C	80
Idle speed - for smoke test rpm	750-850
Governed speed range - for smoke test rpm	4850-5050
Test mode A/B	B
Probe type 1/2	1
Smoke opacity - EU limit m-1 (%)	3,00 (73)
Smoke opacity - homologation value m-1 (%)	2,80 (70)

Starting and charging

Maximum cranking amps A	162-198
Alternator output A/V/rpm	70-90/14/3000

Service checks and adjustments

Radiator cap bar	0,88-1,08
Thermostat opens °C	78-82

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Alfa Romeo 145 1.9 JTD (1998–2001) are tightened in 4 stages: 65 Nm, then 90°, then 90°, then a final 90°.

Cylinder head
Renew bolts	No
Tighten	65 Nm
Tighten	90°
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	25 Nm
Main bearings Stage 2	100°
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	25 Nm
Big end bearings Stage 2	60°
Oil pump to cylinder block	10 Nm
Sump bolts	—
Sump drain bolt	28-35 Nm
Flywheel/driveplate	136-168 Nm
Clutch pressure plate	19-23 Nm
Crankshaft pulley/damper centre bolt	306-378 Nm
Camshaft sprocket/gear	102-126 Nm
Camshaft carrier/cap	13-16 Nm
Camshaft/rocker cover	8-10 Nm
Inlet manifold to cylinder head	25 Nm
Exhaust manifold to cylinder head	21-26 Nm
Injector/clamp	26-32 Nm
Injector pipe unions	26-32 Nm
Fuel/injection pump sprocket/gear	42-52 Nm
Fuel/injection pump mounting	26-32 Nm
Glow plugs	13-16 Nm
Chassis tightening torques
Front hub	—
View more information	—
Rear hub	266-294 Nm
Steering track rod end	30-37 Nm
Brake disc to hub Front	12 Nm
Brake caliper to carrier Front	34 Nm
Brake caliper/carrier to hub Front	50 Nm
Brake disc to hub Rear	12 Nm
Brake caliper to carrier Rear	55 Nm
Brake caliper/carrier to hub Rear	22 Nm
ABS sensor Front	5 Nm
ABS sensor Rear	5 Nm
Road wheels	83-103 Nm

Air conditioning

No. of AC service connectors	2
Air conditioning restrictor type	Fixed orifice tube
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	—
Air conditioning oil group	PAG
Air conditioning oil Type	SP20
Air conditioning oil quantity cm³	130
Air conditioning oil viscosity ISO	100

Frequently asked questions

What is the injection sequence of the Alfa Romeo 145 1.9 JTD?

The injection sequence for the Alfa Romeo 145 1.9 JTD (1998–2001) is 1-3-4-2.

How much oil does the Alfa Romeo 145 1.9 JTD take?

The Alfa Romeo 145 1.9 JTD (1998–2001) takes 4.2 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Alfa Romeo 145 1.9 JTD?

Valve clearances for the Alfa Romeo 145 1.9 JTD (1998–2001) are 0,25-0,35 mm inlet and 0,30-0,40 mm exhaust, measured cold.

What is the cylinder head torque for the Alfa Romeo 145 1.9 JTD?

The cylinder head bolts on the Alfa Romeo 145 1.9 JTD (1998–2001) are tightened in 4 stages: 65 Nm, then 90°, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Alfa Romeo 145 1.9 JTD?

Brake discs on the Alfa Romeo 145 1.9 JTD (1998–2001) are replaced at a minimum thickness of 10,2 mm (solid) or 18,2 mm (ventilated) front and 9,2 mm rear.

What battery does the Alfa Romeo 145 1.9 JTD use?

The Alfa Romeo 145 1.9 JTD (1998–2001) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).