G643 (E) Service Manual Chapter 3. Engine Mechanical System 100
Figure 12-77 Installing Camshaft
Timing Chain and Camshaft Sprocket
Installation
Figure 12-78
Install or Connect
1. Camshaft sprocket and timing chain (figure 12-78).
IMPORTANT: Line up the timing marks on the
camshaft sprocket and crankshaft sprocket
(view A, figure 12-78). The number 4 cylinder is
at top dead center of the compression stroke
with the timing marks in this position.
2. Camshaft sprocket bolts and nut.
Tighten
• Camshaft sprocket bolts and nut to 28 Nm
(21 lb· ft.).
Figure 12-78 Camshaft Timing Chain and Sprockets
Engine Front Cover Installation
IMPORTANT: Once the composite front engine
cover is removed, DO NOT reinstall it. Always
install a new engine front cover.
Install or Connect
1. Engine front cover to engine.
2. Front cover bolts.
NOTICE: Refer to “Notice” on page 1.
Tighten
• Front cover to block bolts to 9 Nm (80 lb. in.).
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