Toyota1983–1985Technical specifications

Hiace 1.8: Technical specifications

Workshop data for the 1.8-litre petrol (engine code 2Y). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Summary

Match the engine code (2Y) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: Hiace
Years: 1983–1985
Fuel: Petrol
Engine code: 2Y

Performance & efficiency

Power: 58 kW (79 hp)
Engine size: 1,812 cc
Cylinders: 4 · OHV
Compression ratio: 8.8:1
Fuel system: Aisan

Fluids & capacities

Engine oil (with the filter): 3.5 litres

All 85 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHV
Capacity (Fiscal) cc	1812 (1799)
Compression ratio :1	8,8
Suitable for unleaded petrol	Yes
Minimum octane rating RON	91
Ignition system Type	SZ
Ignition system Description	CB
Fuel system Make	Aisan
Fuel system Type	2100-72081
Fuel system Description	Carb-2V

Ignition system

Ignition coil Make	Nippon Denso
Primary resistance Ohm	1,3-1,5
Secondary resistance Ohm	10700-14500
Distributor (ECM) Make	Denso
Distributor (ECM) No.	71020
Contact breaker gap/trigger air gap mm	0,45
Dwell angle °(%)	46-58 (51-64)

Firing order

The firing order for the Toyota Hiace 1.8 (1983–1985) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances on the Toyota Hiace 1.8 (1983–1985) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mm	Hydraulic
Valve clearance - EXHAUST mm	Hydraulic

Engine oil & fluids

Engine oil

The Toyota Hiace 1.8 (1983–1985) takes 3.5 litres of engine oil with the filter.

A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SF.

A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

Manual gearbox

The manual gearbox has a listed capacity of 2.0 litres.

Coolant

The listed total cooling-system capacity is 7.7 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	Moderate climate
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SF
Ambient temperature range	Moderate climate alternative
Engine oil grade SAE	20W-50
Engine with filter(s) litres	3.5
Other lubricants and capacities
Manual transmission litres	2.0
Automatic transmission (drain & refill) litres	2.4
Differential rear litres	1.3
Cooling system - total capacity litres	7.7

Service & electrical

Ignition timing

Basic ignition timing for the Toyota Hiace 1.8 (1983–1985) is 8° BTDC at 650 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	8/650

Battery

The Toyota Hiace 1.8 (1983–1985) uses a 12 V, 45 Ah battery (reserve capacity 65 minutes).

Battery V/RC(Ah)	12/65 (45)

Spark plugs

The Toyota Hiace 1.8 (1983–1985) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BPR5EY
Electrode gap mm	0,8
Spark plugs Make	Bosch
Spark plug Type	WR8DCX
Electrode gap mm	1,1
Spark plugs Make	Champion
Spark plug Type	RN9YCC
Electrode gap mm	0,8
Spark plugs Make	NGK
Spark plug Type	BPR5EY
Electrode gap mm	0,8

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	0-5/1800
Ignition advance checks °Engine/rpm	13-17/3400
Ignition advance checks °Engine/rpm	16-21/4900
Vacuum check	Ignition timing advances
Vacuum range °Engine	17-21
Vacuum starts mbar	107
Vacuum ends mbar	440
Idle speed rpm	650
Idle speed - alternative rpm	AT=750
Fast idle speed - MT/AT rpm	2400-2800
Oil temperature °C	60-80
CO level at idle speed - tailpipe Vol. % CO	0,5-2,5
HC level at idle speed ppm	300
CO2 level at idle speed Vol. % CO2	13-16
O2 level at idle speed Vol. % O2	0,5-2,0

Starting and charging

Starter motor Make	Denso
Starter motor Type	12V 1,0 kW
Maximum cranking amps A	122-149
Alternator Make	Nippon Denso
Alternator output A/V/rpm	50/14/2500
Regulated voltage V	13,8-14,8

Service checks and adjustments

Compression pressure bar	9,0-12,5
Oil pressure bar/rpm	2,5-5,0/3000
Radiator cap bar	0,60-1,05
Thermostat opens °C	80-84
Drive belt size - alternator mm	12,5x915
Drive belt tension - alternator/PAS/AC mm	7-8

Fuel system

Fuel pump delivery pressure bar	0,2-0,3

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Hiace 1.8 (1983–1985) are tightened in 3 stages: 30 Nm, then 60 Nm, then a final 88 Nm.

Cylinder head
Tighten	30 Nm
Tighten	60 Nm
Tighten	88 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Stage 1	39 Nm
Main bearings Stage 2	78 Nm
Big end bearings Stage 1	24 Nm
Big end bearings Stage 2	49 Nm
Flywheel/driveplate	83/74 Nm
Crankshaft pulley/damper centre bolt	157 Nm
Spark plugs	18 Nm
Chassis tightening torques
Road wheels	90-120 Nm

Frequently asked questions

What is the firing order of the Toyota Hiace 1.8?

The firing order for the Toyota Hiace 1.8 (1983–1985) is 1-3-4-2.

What spark plugs does the Toyota Hiace 1.8 use?

The Toyota Hiace 1.8 (1983–1985) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota Hiace 1.8 take?

The Toyota Hiace 1.8 (1983–1985) takes 3.5 litres of engine oil with the filter. A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SF. A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

What are the valve clearances for the Toyota Hiace 1.8?

Valve clearances on the Toyota Hiace 1.8 (1983–1985) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Toyota Hiace 1.8?

The cylinder head bolts on the Toyota Hiace 1.8 (1983–1985) are tightened in 3 stages: 30 Nm, then 60 Nm, then a final 88 Nm.

What is the ignition timing for the Toyota Hiace 1.8?

Basic ignition timing for the Toyota Hiace 1.8 (1983–1985) is 8° BTDC at 650 rpm.