Mitsubishi LANCER EVOLUTION 2003 Technical Information Manual page 19

11A-4
ENGINE
BASE ENGINE
TIMING BELT TRAIN
The intake camshaft, exhaust, and the oil pump are All sprockets are made of a sintered alloy.
driven by a single timing belt.
Timing belt tension varies at different engine temper-
atures and ages of the belt. The auto tensioner
absorbs changes in belt tension to prevent the noise
problem from getting worse and to improve durability.
CAMSHAFT SPROCKET
CAMSHAFT SPROCKET
TENSIONER PULLEY
TENSIONER PULLEY
TENSIONER ARM
AUTO TENSIONER
OIL PUMP SPROCKET
CRANKSHAFT SPROCKET
AK204067AB
CAMSHAFT
The change to a hollow-body (hollow cast) camshaft
reduces weight.
AK204064AB