Toyota1999–2001Technical specifications

Corolla 1.9: Technical specifications

Workshop data for the 1.9-litre diesel (engine code 1WZ). 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 (1WZ) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: Corolla
Years: 1999–2001
Fuel: Diesel
Engine code: 1WZ

Performance & efficiency

Power: 51 kW (69 hp)
Engine size: 1,868 cc
Cylinders: 4 · OHC

Fluids & capacities

Engine oil (with the filter): 4.5 litres

All 93 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity cc	1868

Injection system

Pump type	Rotary
Nozzle opening pressure - new/used bar	142-149/130-140

Injection sequence

The injection sequence for the Toyota Corolla 1.9 (1999–2001) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Toyota Corolla 1.9 (1999–2001) are 0,07-0,23 mm inlet and 0,22-0,38 mm exhaust, measured cold.

Valve clearance - INLET mm	0,07-0,23 cold
Valve clearance - EXHAUST mm	0,22-0,38 cold

Engine oil & fluids

Engine oil

The Toyota Corolla 1.9 (1999–2001) takes 4.5 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 1.9 litres. The specified oil is SAE 75W-90, with classification GL-5.

Coolant

The listed total cooling-system capacity is 7.3 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	-29°C➞10°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	CF/B1, B3
Ambient temperature range	-18°C➞38°C
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	CF/B1, B3
Ambient temperature range	-12°C➞38°C
Engine oil grade SAE	15W-40
Engine oil classification API/ACEA	CF/B2, B3
Ambient temperature range	-7°C➞38°C
Engine oil grade SAE	20W-50
Engine oil classification API/ACEA	CF/B2, B3
Engine with filter(s) litres	4.5
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission oil classification	GL-5
Manual transmission litres	1.9
Cooling system - total capacity litres	7.3
Brake fluid Type	DOT 4
Power steering fluid Type	Dexron III
Power steering fluid litres	0.8

Brakes & wear limits

Brake disc thickness

Brake discs on the Toyota Corolla 1.9 (1999–2001) are replaced at a minimum thickness of 20 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.

Minimum disc thickness for replacement - ventilated Front	20 mm
Maximum drum diameter for replacement Rear	201 mm

Brake disc and drum dimensions

Disc runout Front	0,05 mm
Minimum pad thickness Front	1 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	4-7

Service & electrical

Battery

The Toyota Corolla 1.9 (1999–2001) uses a 12 V, 80 Ah battery.

Battery V/RC(Ah)	12 (80)

Tuning and emissions

Adjusting method Engine/Pump	Special Tool/Special Tool
Idle speed rpm	800±25
Oil temperature °C	80
Idle speed - for smoke test rpm	775-825
Maximum time at governed speed secs	1,0
Test mode A/B	B
Probe type 1/2	1
Conditioning Accelerations/rpm	3
Smoke opacity - EU limit m-1 (%)	2,50 (66)

Starting and charging

Alternator output A/V/rpm	80/13/5000

Service checks and adjustments

Oil pressure bar/rpm	3,8/2000
Radiator cap bar	0,90-1,20
Thermostat opens °C	85

Glow plugs

Glow plug nominal rating V/A	12,0

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Corolla 1.9 (1999–2001) are tightened in 3 stages: 20 Nm, then 60 Nm, then a final 180°.

Cylinder head
Renew bolts	No
Tighten	20 Nm
Tighten	60 Nm
Tighten	180°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	70 Nm
Main bearings Stage 2	70°
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	20 Nm
Big end bearings Stage 2	70°
Oil pump to cylinder block	25 Nm
Sump bolts	23 Nm
Sump drain bolt	30 Nm
Flywheel/driveplate	48 Nm
Clutch pressure plate	20 Nm
Crankshaft pulley/damper centre bolt	40 Nm+90°
Camshaft sprocket/gear	25 Nm
Camshaft carrier/cap	18 Nm
Camshaft/rocker cover	10 Nm
Exhaust manifold to cylinder head	30 Nm
Exhaust downpipe to manifold	32 Nm
Injector/clamp	90 Nm
Injector pipe unions	25 Nm
Injector nozzle to holder	35 Nm
Fuel/injection pump sprocket/gear	25 Nm
Fuel/injection pump flange	25 Nm
Fuel/injection pump mounting	20 Nm
Glow plugs	22 Nm
Engine oil pressure switch	30 Nm
Chassis tightening torques
Front hub	216 Nm
Steering track rod end	49 Nm
Brake caliper to carrier Front	34 Nm
Brake caliper/carrier to hub Front	88 Nm
Back plate to hub Rear	80 Nm
ABS sensor Front	8 Nm
ABS sensor Rear	8 Nm
Road wheels	103 Nm

Air conditioning

No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	—
Air conditioning oil group	PAG
Air conditioning oil Type	Dens Oil 9
Air conditioning oil viscosity ISO	100

Frequently asked questions

What is the injection sequence of the Toyota Corolla 1.9?

The injection sequence for the Toyota Corolla 1.9 (1999–2001) is 1-3-4-2.

How much oil does the Toyota Corolla 1.9 take?

The Toyota Corolla 1.9 (1999–2001) takes 4.5 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 Toyota Corolla 1.9?

Valve clearances for the Toyota Corolla 1.9 (1999–2001) are 0,07-0,23 mm inlet and 0,22-0,38 mm exhaust, measured cold.

What is the cylinder head torque for the Toyota Corolla 1.9?

The cylinder head bolts on the Toyota Corolla 1.9 (1999–2001) are tightened in 3 stages: 20 Nm, then 60 Nm, then a final 180°.

What is the minimum brake disc thickness for the Toyota Corolla 1.9?

Brake discs on the Toyota Corolla 1.9 (1999–2001) are replaced at a minimum thickness of 20 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.

What battery does the Toyota Corolla 1.9 use?

The Toyota Corolla 1.9 (1999–2001) uses a 12 V, 80 Ah battery.