Ford Focus RS 2016 Technical Service Training page 30

Engine
Engine Structural Changes
1
9
8
E223818
1 High tensile engine block to reduce wear under
high temperature and load
2 Dual mass flywheel
3 Crankshaft pulley specially adapted to the RS
engine
4 Turbocharger with larger compressor wheel
(from 60 mm to 63 mm) and new turbine wheel
28
2
7
3
5 PCV (positive crankcase ventilation) flow
increased from 17 liters per minute to 45 liters
per minute
6 New wiring loom with increased plug security
7 Cylinder head with new aluminum alloy to
improve heat dissipation
8 Cylinder head gasket with higher heat tolerance
9 Higher strength exhaust valve springs
Lesson 3 – Powertrain
4
5
6
Service Training