Mazda Training manual — part 4

Powertrain Engine

•

The Engine Workshop Manual can be found by choosing “Engine WM” of the Service
Contents menu and then selecting “Engine). See example below. If you have to inspect
a cylinder head for example, select “Mechanical” and then “Cylinder Head Inspection” to
get information about the procedure.

L1001.4_01151

Curriculum Training

01-3

Engine Powertrain

Notes:

01-4 Curriculum

Training

Powertrain Engines

Petrol Engines

•

The following petrol engine types are fitted in the current Mazda models:

Model / Engine

1.25 MZI

1.4 MZI

1.6 MZI

ZJ

Z6

L8

LF

L3

L3-T

Mazda2 (DY)

X

X

X

Mazda3

X

X

X

Mazda3 MPS

X

Mazda5

X

X

Mazda6

X

X

X

Mazda6 MPS

X

Mazda CX-7

X

Mazda MX-5

X

X

L1001.4_T01001a

L-type Engines

•

In the L-type engine line-up the following engines are available:

–

L8 engine with 1.8 L displacement (also termed as 1.8 L MZR engine)

–

LF engine with 2.0 L displacement (also termed as 2.0 L MZR engine)

–

L3 engine with 2.3 L displacement (also termed as 2.3 L MZR engine)

–

L3-T engine with 2.3 L displacement, direct injection and turbocharger (also termed
as 2.3 L MZR DISI (Direct Injection Spark Ignition) Turbo engine)

•

The L8 and the LF engine are fitted in the Mazda5, Mazda6 and Mazda MX-5 models. In
addition, the LF engine is available in the Mazda3 models. The L3 engine is fitted in the
Mazda6 models only. All engines are equipped with a multipoint manifold injection
system and a distributorless ignition system (direct ignition coils).

•

The L3-T engine is available in the Mazda3 MPS, Mazda6 MPS and Mazda CX-7
models. It is equipped with a direct injection system, a FGT (Fixed Geometry Turbine)
turbocharger and a distributorless ignition system (direct ignition coils).

Curriculum Training

01-5

Engines Powertrain

Mechanical (L8, LF, L3 Engine)

Features

•

The mechanical system of the L8, LF and L3 engine has the following features:

–

Chain driven 16 valve DOHC (Double Overhead Camshaft) engine

–

Balancer shafts (only L3 engine)

–

Valve train with automatic timing chain tensioner and mechanical bucket tappets

–

Variable valve timing system for the intake camshaft (except L8 engine)

–

V-ribbed belt drive with automatic tensioner

Overview

L1001.4_01001

01-6 Curriculum

Training