SSANGYONG Korando 2012 Manual page 152

7. CHAIN AND GEAR DRIVE SYSTEM
D20DTF engine uses single stage chain drive system. Timing chain drives the exhaust side and
gear drive the intake side. Timing chain is single bush type. Upper chain drives HP pump connected
to intake Camshaft by driving exhaust cam shift sprocke, and lower chain drives oil pump to
lubricate the engine. And, MBU (Mass Balance shaft Unit) drive gear drives MBU.
▶ Components
Chain upper bush
Chain type: single bush
Chains: 112 EA
Tensioner rail
Installed between exhaust
Camshaft sprocket and
crankshaft sprocket
Hydraulic tensioner
Contains tensioner housing
plug, spring and check valve,
and operated by hydraulic
pressure
Crankshaft sprocket
Teeth: 21 EA
Oil pump sprocket
Teeth: 20 EA
The timing links (gold color) on the timing chain are aligned with the timing marks on the
crankshaft sprocket and the camshaft sprocket whenever the crankshaft rotates 8 turns.
0000-00
Exhaust Camshaft sprocket
Teeth: 42 EA
Clamping rail
Installed between exhaust
Camshaft sprocket and
crankshaft sprocket
Mechanical type tensioner
Operated by internal spring
Chain lower bush
Chain type: single bush
Chains: 60 EA
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