Toyota1985–1995Technical specifications

Dyna 1.8: Technical specifications

Workshop data for the 1.8-litre petrol (engine code 2Y). Covers engine, fluids, brakes, 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: Dyna
Years: 1985–1995
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 101 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 Description	Carb-2V
Diagnostic socket	No

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
Contact breaker gap/trigger air gap mm	0,45
Dwell angle °(%)	46-58 (51-64)

Firing order

The firing order for the Toyota Dyna 1.8 (1985–1995) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances on the Toyota Dyna 1.8 (1985–1995) 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 Dyna 1.8 (1985–1995) takes 3.5 litres of engine oil with the filter.

A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification SF/A2.

A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SF/A2.

A listed engine oil option is SAE 10W-40 as an alternative for moderate climates, with API/ACEA classification SF/A2.

A listed engine oil option is SAE 20W-40 for hot climates, with API/ACEA classification SF/A2.

Manual gearbox

The manual gearbox has a listed capacity of 2.2 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 8.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	Cold climate
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	SF/A2
Ambient temperature range	Moderate climate
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SF/A2
Ambient temperature range	Moderate climate alternative
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	SF/A2
Ambient temperature range	Hot climate
Engine oil grade SAE	20W-40
Engine oil classification API/ACEA	SF/A2
Engine with filter(s) litres	3.5
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	2.2
Differential oil grade - rear SAE	90W
Differential rear litres	2.2
Cooling system - total capacity litres	8.5

Brakes & wear limits

Brake disc thickness

Brake discs on the Toyota Dyna 1.8 (1985–1995) are replaced at a minimum thickness of 24 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 256 mm.

Minimum disc thickness for replacement - ventilated Front	24 mm
Maximum drum diameter for replacement Rear	256 mm

Brake disc and drum dimensions

Disc runout Front	0,15 mm
Minimum pad thickness Front	1 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	6-10

Service & electrical

Ignition timing

Basic ignition timing for the Toyota Dyna 1.8 (1985–1995) is 8° BTDC at 700 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	8/700

Battery

The Toyota Dyna 1.8 (1985–1995) uses a 12 V, 45 Ah battery (reserve capacity 65 minutes).

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

Spark plugs

The Toyota Dyna 1.8 (1985–1995) 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	W8DC
Electrode gap mm	0,8
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

Idle speed
Idle speed rpm	—
Fast idle speed - MT/AT rpm	2600
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	1,5 Max
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	1,0 kW/1,4 kW
Minimum starting voltage V	11,5
Maximum cranking amps A	122-149
Alternator Make	Nippon Denso
Alternator output A/V/rpm	30/13,5/2000
Voltage regulator Type	IC
Regulated voltage V	13,4-15,1

Service checks and adjustments

Compression pressure bar	9,0-12,5
Oil pressure bar/rpm	2,5-5,0/3000
Radiator cap bar	0,74-1,03
Thermostat opens °C	80-84
Drive belt tension - alternator/PAS/AC mm	5-8/10-15

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Dyna 1.8 (1985–1995) are tightened in 3 stages: 30 Nm, then 60 Nm, then a final 88 Nm.

Cylinder head
Renew bolts	No
Tighten	30 Nm
Tighten	60 Nm
Tighten	88 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	39 Nm
Main bearings Stage 2	78 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	25 Nm
Big end bearings Stage 2	49 Nm
Oil pump to cylinder block	18 Nm
Sump bolts	13 Nm
Flywheel/driveplate	83 Nm
Clutch pressure plate	19 Nm
Crankshaft pulley/damper centre bolt	157 Nm
Camshaft sprocket/gear	90 Nm
Inlet manifold to cylinder head	49 Nm
Exhaust manifold to cylinder head	49 Nm
Spark plugs	18 Nm
Chassis tightening torques
Steering track rod end	87 Nm
Brake caliper to carrier Front	39 Nm
Brake caliper/carrier to hub Front	147 Nm
Road wheels	140 Nm

Frequently asked questions

What is the firing order of the Toyota Dyna 1.8?

The firing order for the Toyota Dyna 1.8 (1985–1995) is 1-3-4-2.

What spark plugs does the Toyota Dyna 1.8 use?

The Toyota Dyna 1.8 (1985–1995) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota Dyna 1.8 take?

The Toyota Dyna 1.8 (1985–1995) takes 3.5 litres of engine oil with the filter. A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification SF/A2. A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SF/A2. A listed engine oil option is SAE 10W-40 as an alternative for moderate climates, with API/ACEA classification SF/A2. A listed engine oil option is SAE 20W-40 for hot climates, with API/ACEA classification SF/A2.

What are the valve clearances for the Toyota Dyna 1.8?

Valve clearances on the Toyota Dyna 1.8 (1985–1995) are hydraulic — they self-adjust, so no manual clearance figure applies.

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

The cylinder head bolts on the Toyota Dyna 1.8 (1985–1995) are tightened in 3 stages: 30 Nm, then 60 Nm, then a final 88 Nm.

What is the ignition timing for the Toyota Dyna 1.8?

Basic ignition timing for the Toyota Dyna 1.8 (1985–1995) is 8° BTDC at 700 rpm.