S5 Workshop Manual
Engine
EM-51
4) Dismantle timing belt.
5) Dismantle camshaft sprocket.
Notes:
■ When using wrench, do not damage
valve cylinder head and camshaft
sprocket.
6) When dismantling oil pump chain wheel nuts, first dismantle inspection bolt of left
balance shaft on the left of cylinder body, and insert a pair of screwdrivers to keep the
position of left balance shaft. Screwdriver with shaft diameter of 8 mm can be
inserted into more than 60 mm (2.36 inch).
7) Dismantle oil pump placket.
8) Unscrew mounting bolt of left balance
shaft chain wheel until it can be loosened
with hands.
9) Next, dismantle secondary tensioning
wheel "B" and secondary timing belt "B".
Notes:
■ After dismantling secondary timing belt
"B", use a pair of pliers or other tool to
clamp chain wheel, meanwhile do not
loosen bolt.
10) Dismantle secondary crankshaft chain
wheel "B" from crankshaft.
EM083
EM082
EM081
EM080
Forward
Pin shaft
Left balance
shaft
Cylinder
body
Secondary timing belt
“
B
”
Secondary timing
chain wheel of
crankshaft
“
B
”
Secondary tensioning
wheel
“
B
”
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