Toyota1986–1988Technical specifications

Hilux 2.2 4x4: Technical specifications

Workshop data for the 2.2-litre petrol (engine code 4Y). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Summary

Match the engine code (4Y) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: Hilux
Years: 1986–1988
Fuel: Petrol
Engine code: 4Y

Performance & efficiency

Power: 68 kW (92 hp)
Engine size: 2,237 cc
Cylinders: 4 · OHV
Compression ratio: 8.8:1
Fuel system: Aisan

Fluids & capacities

Engine oil (with the filter): 4.6 litres

All 102 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHV
Capacity (Fiscal) cc	2237 (2221)
Compression ratio :1	8,8
Suitable for unleaded petrol	Yes
Minimum octane rating RON	91
Ignition system Type	SZ
Ignition system Description	CB
Trigger location	Distributor
Fuel system Make	Aisan
Fuel system Type	21100-71140
Fuel system Description	Carb-2V
Air metering Type	Flow
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil Make	Denso
Ballast resistance Ohm	1,3-1,5
Primary resistance Ohm	1,3-1,6
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 Hilux 2.2 4x4 (1986–1988) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances on the Toyota Hilux 2.2 4x4 (1986–1988) 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 Hilux 2.2 4x4 (1986–1988) takes 4.6 litres of engine oil with the filter.

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

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 3.9 litres.

Coolant

See the reference table for the complete coolant entries and their conditions.

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	SE
Ambient temperature range	Moderate climate alternative
Engine oil grade SAE	20W-50
Engine with filter(s) litres	4.6
Other lubricants and capacities
Manual transmission litres	3.9
Differential front/AT litres	2.3
Differential oil classification - rear	GL-5
Differential oil grade - rear
Differential rear litres	2.2
Cooling system - total capacity litres	7.4

Service & electrical

Ignition timing

Basic ignition timing for the Toyota Hilux 2.2 4x4 (1986–1988) is 4° BTDC at 700 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	4/700

Battery

The Toyota Hilux 2.2 4x4 (1986–1988) uses a 12 V, 45 Ah battery (reserve capacity 65 minutes).

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

Spark plugs

The Toyota Hilux 2.2 4x4 (1986–1988) 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	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	17-21/4900
Vacuum check	Ignition timing advances
Vacuum range °Engine	17-21
Vacuum starts mbar	107
Vacuum ends mbar	440
Idle speed rpm	700
Fast idle speed - MT/AT rpm	2600
Oil temperature °C	60-80
CO level at idle speed - tailpipe Vol. % CO	1,5±0,5
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
Increased idle speed for CO test rpm	2500-2800
CO content at increased idle speed Vol. %	0,3
Lambda at increased idle λ	0,97-1,03

Starting and charging

Starter motor Make	Denso
Starter motor Type	1,4 kW
Minimum starting voltage V	11,5
Maximum cranking amps A	122-149
Alternator Make	Nippon Denso
Alternator Type	55A
Alternator output A/V/rpm	30/14/2000
Regulated voltage V	13,8-14,8

Service checks and adjustments

Compression pressure bar	8,8-12,3
Oil pressure bar/rpm	2,5-5,0/3000
Radiator cap bar	0,75-1,05
Thermostat opens °C	80-84
Drive belt tension - alternator/PAS/AC mm	7-8

Fuel system

Fuel pump delivery pressure bar	0,2-0,3
Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm	4,0-12,0

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Hilux 2.2 4x4 (1986–1988) are tightened in 4 stages: 40 Nm, then 60 Nm, then 90°, then a final 90°.

Cylinder head
Tighten	40 Nm
Tighten	60 Nm
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Stage 1	32 Nm
Main bearings Stage 2	65 Nm
Big end bearings Stage 1	30 Nm
Big end bearings Stage 2	90°
Flywheel/driveplate	83 Nm
Clutch pressure plate	20 Nm
Crankshaft pulley/damper centre bolt	157 Nm
Camshaft sprocket/gear	65 Nm
Camshaft carrier/cap	15 Nm
Camshaft/rocker cover	10 Nm
Spark plugs	18 Nm
Lambda sensor (Oxygen)	50 Nm
Knock sensor (KS)	15-20 Nm
Chassis tightening torques
Front hub	44 Nm
Steering track rod end	35 Nm
Brake caliper to carrier Front	25-35 Nm
Brake caliper/carrier to hub Front	125 Nm
Brake caliper to carrier Rear	35 Nm
Brake caliper/carrier to hub Rear	65 Nm
Road wheels	103 Nm

Frequently asked questions

What is the firing order of the Toyota Hilux 2.2 4x4?

The firing order for the Toyota Hilux 2.2 4x4 (1986–1988) is 1-3-4-2.

What spark plugs does the Toyota Hilux 2.2 4x4 use?

The Toyota Hilux 2.2 4x4 (1986–1988) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota Hilux 2.2 4x4 take?

The Toyota Hilux 2.2 4x4 (1986–1988) takes 4.6 litres of engine oil with the filter. A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SE. A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

What are the valve clearances for the Toyota Hilux 2.2 4x4?

Valve clearances on the Toyota Hilux 2.2 4x4 (1986–1988) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Toyota Hilux 2.2 4x4?

The cylinder head bolts on the Toyota Hilux 2.2 4x4 (1986–1988) are tightened in 4 stages: 40 Nm, then 60 Nm, then 90°, then a final 90°.

What is the ignition timing for the Toyota Hilux 2.2 4x4?

Basic ignition timing for the Toyota Hilux 2.2 4x4 (1986–1988) is 4° BTDC at 700 rpm.