Alfa Romeo1987–1993Technical specifications

164 2.0: Technical specifications

Workshop data for the 2-litre petrol (engine code 064.20). 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 (064.20) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Alfa Romeo
Model: 164
Years: 1987–1993
Fuel: Petrol
Engine code: 064.20

Performance & efficiency

Power: 109 kW (148 hp)
Engine size: 1,962 cc
Cylinders: 4 · OHC
Compression ratio: 10.0:1
Fuel system: Bosch

Fluids & capacities

Engine oil (with the filter): 5.0 litres

All 113 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1962 (1948)
Compression ratio :1	10,0
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Bosch
Ignition system Type	Mot. ML4.1-92
Ignition system Description	Map-i
Trigger location	Crankshaft
Fuel system Make	Bosch
Fuel system Type	Mot. ML4.1-92
Fuel system Description	MFI-i
Air metering Type	Flow
Combined ignition and fuel ECM	Yes
Diagnostic socket	No

Ignition system

Ignition coil Make	Bosch
Ignition coil Type	0 221 122 344
Ignition coil supply voltage + with ballast V	12,0
Primary resistance Ohm	0,5
Secondary resistance Ohm	5000-7000
Distributor (ECM) Make	Bosch
Distributor (ECM) No.	(0 261 200 108)

Firing order

The firing order for the Alfa Romeo 164 2.0 (1987–1993) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Alfa Romeo 164 2.0 (1987–1993) are 0,40-0,45 mm inlet and 0,45-0,50 mm exhaust, measured cold.

Valve clearance - INLET mm	0,40-0,45 cold
Valve clearance - EXHAUST mm	0,45-0,50 cold

Engine oil & fluids

Engine oil

The Alfa Romeo 164 2.0 (1987–1993) 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 1.5 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 7.0 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-30 Synthetic
Engine oil classification API/ACEA	SJ/A1
Ambient temperature range	-20°C➞
Engine oil grade SAE	10W-40 Synthetic
Engine oil classification API/ACEA	SJ/A3
Engine with filter(s) litres	5.0
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	1.5
Cooling system - total capacity litres	7.0
Brake fluid Type	DOT 4
Brake fluid litres	0.7
Power steering fluid Type	Dexron II
Power steering fluid litres	0.9

Brakes & wear limits

Brake disc thickness

Brake discs on the Alfa Romeo 164 2.0 (1987–1993) are replaced at a minimum thickness of 20,2 mm (ventilated) front and 9 mm rear.

Minimum disc thickness for replacement - ventilated Front	20,2 mm
Minimum disc thickness for replacement Rear	9 mm

Brake disc and drum dimensions

Disc runout Front	0,03 mm
Disc runout Rear	0,03 mm
Minimum pad thickness Front	2 mm
Minimum pad thickness Rear	2 mm
Parking brake travel No. of notches	3-7

Service & electrical

Battery

The Alfa Romeo 164 2.0 (1987–1993) uses a 12 V, 66 Ah battery (reserve capacity 110 minutes).

Battery V/RC(Ah)	12/110 (66)

Spark plugs

The Alfa Romeo 164 2.0 (1987–1993) uses Lodge 25HLD spark plugs with a 0,7 mm electrode gap.

Spark plugs Original equipment	Lodge
Spark plug Type	25HLD
Electrode gap mm	0,7
Spark plugs Make	Autolite
Spark plug Type	3923
Electrode gap mm	0,7
Spark plugs Make	Beru
Spark plug Type	14F-5DU
Electrode gap mm	0,6
Spark plugs Make	Bosch
Spark plug Type	F5DC
Electrode gap mm	0,7
Spark plugs Make	Champion
Spark plug Type	RG4HC/RC6YCC
Spark plugs Make	NGK
Spark plug Type	BCP6ES
Electrode gap mm	0,7

Tuning and emissions

Ignition timing - basic BTDC °Engine/rpm	9-11/800 Not adjustable
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	750-850 Not adjustable
Oil temperature °C	70
CO level at idle speed - tailpipe Vol. % CO	0,4-1,0
HC level at idle speed ppm	350
CO2 level at idle speed Vol. % CO2	13-16
O2 level at idle speed Vol. % O2	0,5-2,0

Starting and charging

Maximum cranking amps A	230-281
Alternator output A/V/rpm	85/14/2000
Voltage regulator Type	0 120 484 004
Regulated voltage V	14,4

Service checks and adjustments

Oil pressure bar/rpm	3,5-5,0/5000

Fuel system

System pressure bar	2,8-3,2
Regulated pressure with vacuum bar	2,3-2,7
Engine coolant temperature (ECT) sensor Ohm/°C	330/80
Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm	500-1600
Injector Ohm	16,0
Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm	8-150

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Alfa Romeo 164 2.0 (1987–1993) are tightened in 3 stages: 35-55 Nm, then 74-82 Nm, then a final 82-88 Nm.

Cylinder head
Renew bolts	No
Tighten	35-55 Nm
Tighten	74-82 Nm
Run engine	600 miles/1000 km
Individually slacken off	360°
Tighten	82-88 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	20 Nm
Main bearings Stage 2	115°
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	25-26 Nm
Big end bearings Stage 2	49-52 Nm
Flywheel/driveplate	144 Nm
Clutch pressure plate	19-25 Nm
Crankshaft pulley/damper centre bolt	187-195 Nm
Camshaft sprocket/gear	—
Camshaft sprocket/gear
Camshaft carrier/cap	20-25 Nm
Camshaft/rocker cover	10-14 Nm
Spark plugs	25-34 Nm
Chassis tightening torques
Front hub	—
View more information	—
Front hub
Rear hub	250-300 Nm
Steering track rod end	50-60 Nm
Brake disc to hub Front	6-13 Nm
Brake caliper to carrier Front	35 Nm
Brake caliper/carrier to hub Front	—
Carrier to hub
Brake disc to hub Rear	6,2-13 Nm
Brake caliper to carrier Rear	33 Nm
Brake caliper/carrier to hub Rear	—
ABS sensor Front	4-6 Nm
ABS sensor Rear	4-6 Nm
Road wheels	95-105 Nm

Air conditioning

Refrigerant type
Air conditioning refrigerant Type	R12
Air conditioning refrigerant quantity grams	1250
Refrigerant quantity
Air conditioning oil Type	Suniso 5GS
Oil type
Air conditioning oil quantity cm³	—

Frequently asked questions

What is the firing order of the Alfa Romeo 164 2.0?

The firing order for the Alfa Romeo 164 2.0 (1987–1993) is 1-3-4-2.

What spark plugs does the Alfa Romeo 164 2.0 use?

The Alfa Romeo 164 2.0 (1987–1993) uses Lodge 25HLD spark plugs with a 0,7 mm electrode gap.

How much oil does the Alfa Romeo 164 2.0 take?

The Alfa Romeo 164 2.0 (1987–1993) 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 164 2.0?

Valve clearances for the Alfa Romeo 164 2.0 (1987–1993) are 0,40-0,45 mm inlet and 0,45-0,50 mm exhaust, measured cold.

What is the cylinder head torque for the Alfa Romeo 164 2.0?

The cylinder head bolts on the Alfa Romeo 164 2.0 (1987–1993) are tightened in 3 stages: 35-55 Nm, then 74-82 Nm, then a final 82-88 Nm.

What is the minimum brake disc thickness for the Alfa Romeo 164 2.0?

Brake discs on the Alfa Romeo 164 2.0 (1987–1993) are replaced at a minimum thickness of 20,2 mm (ventilated) front and 9 mm rear.