RAV4 – NEW FEATURES
17
2. Features of 2AR-FE Engine
The 2AR-FE engine has achieved the following performance features through the use of the items listed
below:
(1) High performance and reliability
(2) Low noise and vibration
(3) Lightweight and compact design
(4) Good serviceability
(5) Clean emission and fuel economy
Section Item (1) (2) (3) (4) (5)
Engine Proper
A cylinder head cover made of magnesium alloy is used. f
A taper squish shape is used for the combustion chamber. f f
Spiny-type liners are used in the cylinder bores. f f f
A water jacket spacer is used. f f
The piston skirt is coated with resin. f f f
Low tension piston rings are used. f f
A resin gear balance shaft is used. f f
Valve
Mechanism
A timing chain and chain tensioner are used. f f
Hydraulic lash adjusters are used. f f
Roller rocker arms are used. f f
Lubrication
System
An oil filter with a replaceable element is used. f
Cooling System
TOYOTA Genuine SLLC (Super Long Life Coolant) is
used.
f
Intake and
Exhaust
System
A charcoal filter is used in the air cleaner cap. f
An intake manifold made of plastic is used. f
A linkless-type throttle body is used. f f f
A thin-wall ceramic TWC (Three-Way Catalytic
converter) is used.
f
Fuel System
A fuel returnless system is used. f f f
Quick connectors are used to connect the fuel hose with
the fuel pipe.
f f f
12-hole type fuel injectors with high atomizing
performance are used.
f f
Ignition System Long-reach type iridium-tipped spark plugs are used. f f f
Charging
System
A segment conductor type generator is used. f f f
Starting System
A PS (Planetary reduction-Segment conductor motor)
type starter is used.
f f
Serpentine Belt
Drive System
A serpentine belt drive system is used. f f
(Continued)
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