Alfa Romeo1995–2000Technical specifications

146 1.9 Turbo: Technical specifications

Workshop data for the 1.9-litre diesel (engine code 336.01). 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 (336.01) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Alfa Romeo
Model: 146
Years: 1995–2000
Fuel: Diesel
Engine code: 336.01

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 102 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 508
Pump type	Rotary
Injector nozzle Make	Bosch
Nozzle opening pressure - new/used bar	150-158
Leak rate (dribble) bar/secs	130-138/10

Injection sequence

The injection sequence for the Alfa Romeo 146 1.9 Turbo (1995–2000) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Alfa Romeo 146 1.9 Turbo (1995–2000) 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 146 1.9 Turbo (1995–2000) 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 2.0 litres. The specified oil is SAE 75W-90 synthetic, with classification GL-5.

Coolant

The listed total cooling-system capacity is 8.9 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 Synthetic
Manual transmission oil classification	GL-5
Manual transmission litres	2.0
Cooling system - total capacity litres	8.9
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 146 1.9 Turbo (1995–2000) 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 146 1.9 Turbo (1995–2000) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).

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

Glow plugs

Glow plugs for the Alfa Romeo 146 1.9 Turbo (1995–2000): Beru GN970.

Glow plug nominal rating V/A	11/14
Glow plug activation time secs	7
Glow plug - part no. Beru	GN970

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	900±20
Rated no load speed rpm	4950±100
Oil temperature °C	80
Idle speed - for smoke test rpm	800-1000
Governed speed range - for smoke test rpm	4850-5050
Maximum time at governed speed secs	1,0
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	81-85

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Alfa Romeo 146 1.9 Turbo (1995–2000) 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	55 Nm
Main bearings Stage 2	96-119 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	25°
Big end bearings Stage 2	50°
Oil pump to cylinder block	10 Nm
Sump bolts	—
Sump drain bolt	28-35 Nm
Flywheel/driveplate	121-149 Nm
Clutch pressure plate	20-25 Nm
Crankshaft pulley/damper centre bolt	181-200 Nm
Camshaft sprocket/gear	100-124 Nm
Camshaft carrier/cap	16-20 Nm
Inlet manifold to cylinder head	25 Nm
Exhaust manifold to cylinder head	25 Nm
Injector/clamp	47-58 Nm
Injector pipe unions	26-32 Nm
Fuel/injection pump sprocket/gear	43-53 Nm
Fuel/injection pump flange	21-26 Nm
Fuel/injection pump mounting	21-26 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	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 146 1.9 Turbo?

The injection sequence for the Alfa Romeo 146 1.9 Turbo (1995–2000) is 1-3-4-2.

What glow plugs does the Alfa Romeo 146 1.9 Turbo use?

Glow plugs for the Alfa Romeo 146 1.9 Turbo (1995–2000): Beru GN970.

How much oil does the Alfa Romeo 146 1.9 Turbo take?

The Alfa Romeo 146 1.9 Turbo (1995–2000) 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 146 1.9 Turbo?

Valve clearances for the Alfa Romeo 146 1.9 Turbo (1995–2000) 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 146 1.9 Turbo?

The cylinder head bolts on the Alfa Romeo 146 1.9 Turbo (1995–2000) are tightened in 3 stages: 100 Nm, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Alfa Romeo 146 1.9 Turbo?

Brake discs on the Alfa Romeo 146 1.9 Turbo (1995–2000) are replaced at a minimum thickness of 10,2 mm (solid) or 18,2 mm (ventilated) front and 9,2 mm rear.