Honda2013–2017Technical specifications

Civic 1.8 i-VTEC: Technical specifications

Workshop data for the 1.8-litre petrol (engine code R18Z1). 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 (R18Z1) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Honda
Model
Civic
Years
2013–2017
Fuel
Petrol
Engine code
R18Z1

Performance & efficiency

Power
104 kW (141 hp)
Engine size
1,799 cc
Cylinders
4 · OHC
Compression ratio
10.6:1
Fuel system
Honda
All 106 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type4/OHC
Capacity (Fiscal) cc1799
Compression ratio :110,6
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system MakeHonda
Ignition system TypePGM-FI
Ignition system DescriptionMap-DI
Trigger locationCam/Crankshaft
Fuel system MakeHonda
Fuel system TypePGM-FI
Fuel system DescriptionMFI-s
Air metering TypeMAP
Combined ignition and fuel ECMYes
Diagnostic socketYes

Ignition system

Ignition coil supply voltage + with ballast V12,0

Firing order

The firing order for the Honda Civic 1.8 i-VTEC (2013–2017) is 1-3-4-2.

Firing order1-3-4-2

Valve clearances

Valve clearances for the Honda Civic 1.8 i-VTEC (2013–2017) are 0,18-0,22 mm inlet and 0,23-0,27 mm exhaust, measured cold.

Valve clearance - INLET mm0,18-0,22 cold
Valve clearance - EXHAUST mm0,23-0,27 cold

Engine oil & fluids

Engine oil

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

The manual gearbox has a listed capacity of 1.4 litres. The manual gearbox capacity for dry fill is 1.6 litres.

See the reference table for the complete manual gearbox entries and their conditions.

Coolant

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

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Preferred engine oil
Ambient temperature range All temperatures
Engine oil grade SAE 0W-20
Engine oil classification API/ACEA /
Engine oil options
Ambient temperature range All temperatures
Engine oil grade SAE 0W-30, 5W-30
Engine oil classification API/ACEA /
Engine oil
Engine with filter(s) litres 3.7
Other lubricants and capacities
Manual transmission oil grade SAE Honda MTF
Manual transmission litres 1.4
Manual transmission (dry fill) litres 1.6
Automatic transmission fluid Type Honda ATF DW-1
Automatic transmission (drain & refill) litres 2.4
Automatic transmission - drain and refill
Automatic transmission (dry fill) litres 5.8
Coolant Type Honda type 2
Cooling system - total capacity litres 5.2-5.7
Brake fluid Type DOT 4
Clutch fluid Type DOT 4

Brakes & wear limits

Brake disc thickness

Rear brake discs on the Honda Civic 1.8 i-VTEC (2013–2017) are replaced at a minimum thickness of 8 mm.

Minimum disc thickness for replacement - ventilated Front—
Minimum disc thickness for replacement - ventilated
Minimum disc thickness for replacement Rear8 mm

Brake disc and drum dimensions

Minimum disc thickness for replacement - ventilated
Disc thickness variation Front0,015 mm
Disc thickness variation Rear0,015 mm
Disc runout Front0,04 mm
Disc runout Rear0,04 mm
Minimum pad thickness Front1,6 mm
Minimum pad thickness Rear1,6 mm
Parking brake travel No. of notches8-9

Service & electrical

Tuning and emissions

Ignition timing - basic BTDC °Engine/rpm8±2/720±50 Not adjustable
Ignition advance checks °Engine/rpmECM Controlled
Idle speed rpm720±50 Not adjustable
Idle speed - alternative rpmAT=650±50 Not adjustable
Oil temperature °C80
CO level at idle speed - tailpipe Vol. % CO0,1 Max Not adjustable
HC level at idle speed ppm100
CO2 level at idle speed Vol. % CO214,5-16
O2 level at idle speed Vol. % O20,1-0,5
Increased idle speed for CO test rpm2300-2700
CO content at increased idle speed Vol. %0,2
Lambda at increased idle λ0,97-1,03

Service checks and adjustments

Compression pressure bar8,8 Min
Oil pressure bar/rpm3,8/2000
Radiator cap bar0,93-1,23
Thermostat opens °C80-84

Fuel system

System pressure bar3,8-4,3

Spark plugs

Spark plugs Original equipmentDenso
Spark plug TypeDXU22HCR-D11S
Electrode gap mm1,0-1,1
Spark plugs MakeNGK
Spark plug TypeDILZKR7B11GS
Electrode gap mm1,0-1,1

Tightening torques

Cylinder head instructions—
View more information—
Other engine tightening torques
Main bearings Renew bolts/nutsNo
Main bearings Stage 1—
View more information—
Main bearings
Big end bearings Stage 120 Nm
View more information—
Big end bearings
Big end bearings Stage 290°
Sump bolts18 Nm
View more information—
Sump bolts
Sump drain bolt39 Nm
Flywheel/driveplate—
Flywheel/driveplate
Clutch pressure plate25 Nm
Crankshaft pulley/damper centre bolt—
Crankshaft pulley/damper centre bolt
Camshaft sprocket/gear57 Nm
Camshaft/rocker cover10 Nm
Camshaft/rocker cover
Inlet manifold to cylinder head24 Nm
Exhaust manifold to cylinder head31 Nm
Exhaust downpipe to manifold33 Nm
Water pump12 Nm
Spark plugs18 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor12 Nm
Camshaft position (CMP) sensor12 Nm
Engine coolant temperature (ECT) sensor12 Nm
Lambda sensor (Oxygen)44 Nm
Knock sensor (KS)31 Nm
Engine oil pressure switch18 Nm
Oil filter12 Nm
Chassis tightening torques
Front hub181 Nm
Rear hub - wheel bearing housing bolts64 Nm
Steering wheel39 Nm
Steering rack/box mounting—
Steering rack/box mounting
Steering track rod end54 Nm
Brake disc to hub Front10 Nm
Brake caliper to carrier Front—
Brake caliper to carrier - front
Brake caliper/carrier to hub Front108 Nm
Brake disc to hub Rear10 Nm
Brake caliper to carrier Rear23 Nm
Brake caliper/carrier to hub Rear75 Nm
ABS sensor Front10 Nm
ABS sensor Rear10 Nm
Road wheels108 Nm

Air conditioning

No. of AC service connectors2
Air conditioning restrictor typeExpansion valve
Compressor clutch/magnetic couplingYes
Compressor variable displacement solenoidNo
Air conditioning refrigerant Type—
Do not mix R134a with R1234yf.
Air conditioning refrigerant quantity grams430±25 LHD=400±25
Air conditioning oil groupR134a=PAG/R1234yf=POE
Air conditioning oil quantity cm³80±5

Frequently asked questions

What is the firing order of the Honda Civic 1.8 i-VTEC?

The firing order for the Honda Civic 1.8 i-VTEC (2013–2017) is 1-3-4-2.

How much oil does the Honda Civic 1.8 i-VTEC take?

See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Honda Civic 1.8 i-VTEC?

Valve clearances for the Honda Civic 1.8 i-VTEC (2013–2017) are 0,18-0,22 mm inlet and 0,23-0,27 mm exhaust, measured cold.

What is the minimum brake disc thickness for the Honda Civic 1.8 i-VTEC?

Rear brake discs on the Honda Civic 1.8 i-VTEC (2013–2017) are replaced at a minimum thickness of 8 mm.

More on the Civic