Alfa Romeo1993–1998Technical specifications

155 1.9 Turbo: Technical specifications

Workshop data for the 1.9-litre diesel (engine code 675.01). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (675.01) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Alfa Romeo
Model: 155
Years: 1993–1998
Fuel: Diesel
Engine code: 675.01

Performance & efficiency

Power: 66 kW (90 hp)
Engine size: 1,929 cc
Cylinders: 4 · OHC
Compression ratio: 19.2:1

Fluids & capacities

Engine oil (with the filter): 5.0 litres

All 110 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity cc	1929
Compression ratio :1	19,2

Injection system

Fuel/injection pump assembly Make	Bosch
Fuel/injection pump assembly Type	VER 466
Fuel/injection pump assembly Part No.	0 460 494 304
Pump type	Rotary
Injector nozzle Make	Bosch
Nozzle and holder assembly Part No.	0 432 217 211

Injection sequence

The injection sequence for the Alfa Romeo 155 1.9 Turbo (1993–1998) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Alfa Romeo 155 1.9 Turbo (1993–1998) 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 155 1.9 Turbo (1993–1998) takes 5.0 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 1.4 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 8.8 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	5.0
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	1.4
Cooling system - total capacity litres	8.8
Brake fluid Type	DOT 4
Brake fluid litres	0.6
Power steering fluid Type	Dexron II
Power steering fluid litres	1.0

Brakes & wear limits

Brake disc thickness

Brake discs on the Alfa Romeo 155 1.9 Turbo (1993–1998) 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	1-3

Service & electrical

Battery

The Alfa Romeo 155 1.9 Turbo (1993–1998) uses a 12 V, 90 Ah battery (reserve capacity 160 minutes).

Battery V/RC(Ah)	12/160 (90)

Glow plugs

Glow plugs for the Alfa Romeo 155 1.9 Turbo (1993–1998): Beru 663 MJ, Bosch 0 250 201 019, Champion CH68 and Lucas/CAV HDS295.

Glow plug nominal rating V/A	11/13
Glow plug activation time secs	10 Max
Glow plug - part no. Beru	663 MJ
Glow plug - part no. Bosch	0 250 201 019
Glow plug - part no. Champion	CH68
Glow plug - part no. Lucas/CAV	HDS295

Tuning and emissions

Plunger travel (pump) mm ABDC	0,80
Crankshaft position (n = ATDC) °BTDC	—
Adjusting method Engine/Pump	Pointer/Dial gauge
Idle speed rpm	850-950
Rated no load speed rpm	4950-5050
Oil temperature °C	80
Idle speed - for smoke test rpm	850-950
Governed speed range - for smoke test rpm	4870-5070
Maximum time at governed speed secs	1,0
Test mode A/B	B
Probe type 1/2	1
Conditioning Accelerations/rpm	2-3
Smoke opacity - EU limit m-1 (%)	3,00 (73)
Smoke opacity - homologation value m-1 (%)	1,82 (54)

Starting and charging

Starter motor Make	Bosch
Starter motor Type	0 001 218 147
Maximum cranking amps A	243-297
Alternator Make	Bosch
Alternator Type	0 120 489 272
Alternator output A/V/rpm	85/14/3000

Service checks and adjustments

Turbo boost pressure bar/rpm	0,8/2400
Oil pressure bar/rpm	3,4-3,9/-
Radiator cap bar	0,88-1,08
Thermostat opens °C	78-82
Drive belt size - alternator mm	5x950
Drive belt size - PAS/AC mm	9,5x737

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Alfa Romeo 155 1.9 Turbo (1993–1998) are tightened in 3 stages: 100 Nm, then 90°, then a final 90°.

Cylinder head
Renew bolts	No
Tighten	100 Nm
Tighten	90°
Tighten	90°
Tighten	M8=30 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	57 Nm
Main bearings Stage 2	113 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	25 Nm
Big end bearings Stage 2	50°
Oil pump to cylinder block	10 Nm
Sump bolts	—
Sump drain bolt	21 Nm
Flywheel/driveplate	142 Nm
Clutch pressure plate	33-40 Nm
Crankshaft pulley/damper centre bolt	190 Nm
Inlet manifold to cylinder head	25 Nm
Exhaust manifold to cylinder head	25 Nm
Injector/clamp	78 Nm
Injector pipe unions	24 Nm
Fuel/injection pump sprocket/gear	49 Nm
Fuel/injection pump flange	25 Nm
Fuel/injection pump mounting	29 Nm
Glow plugs	18 Nm
Chassis tightening torques
Rear hub	—
View more information	—
Steering track rod end	29-35 Nm
Brake disc to hub Front	12 Nm
Brake caliper to carrier Front	50 Nm
Brake caliper/carrier to hub Front	22 Nm
Brake disc to hub Rear	12 Nm
Brake caliper to carrier Rear	50 Nm
Brake caliper/carrier to hub Rear	22 Nm
ABS sensor Front	5 Nm
ABS sensor Rear	5 Nm
Road wheels	82±9 Nm Alu=93±10 Nm

Air conditioning

No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	700
Air conditioning oil group	PAG
Air conditioning oil Type	Ucon RL-488
Air conditioning oil quantity cm³	236±15
Air conditioning oil viscosity ISO	150

Frequently asked questions

What is the injection sequence of the Alfa Romeo 155 1.9 Turbo?

The injection sequence for the Alfa Romeo 155 1.9 Turbo (1993–1998) is 1-3-4-2.

What glow plugs does the Alfa Romeo 155 1.9 Turbo use?

Glow plugs for the Alfa Romeo 155 1.9 Turbo (1993–1998): Beru 663 MJ, Bosch 0 250 201 019, Champion CH68 and Lucas/CAV HDS295.

How much oil does the Alfa Romeo 155 1.9 Turbo take?

The Alfa Romeo 155 1.9 Turbo (1993–1998) takes 5.0 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 155 1.9 Turbo?

Valve clearances for the Alfa Romeo 155 1.9 Turbo (1993–1998) 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 155 1.9 Turbo?

The cylinder head bolts on the Alfa Romeo 155 1.9 Turbo (1993–1998) are tightened in 3 stages: 100 Nm, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Alfa Romeo 155 1.9 Turbo?

Brake discs on the Alfa Romeo 155 1.9 Turbo (1993–1998) are replaced at a minimum thickness of 10,2 mm (solid) or 18,2 mm (ventilated) front and 9,2 mm rear.