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1D-280 Engine Mechanical:
Crankshaft Sprocket Installation (Fourth
Design)
Special tool
EN 46111 Crankshaft Rotation Socket
1. Ensure the crankshaft sprocket is installed with the
timing mark (1) visible.
2. Install the crankshaft sprocket on to the nose of the
crankshaft.
3. Align the notch in the crankshaft sprocket with the
pin in the crankshaft.
4. Slide the crankshaft sprocket on the crankshaft nose
until the crankshaft sprocket contacts the step in the
crankshaft.
5. Ensure the crankshaft is in the stage one timing
position with the crankshaft sprocket timing mark (1)
aligned to the stage one timing mark on the oil pump
cover (2) using the EN 46111. Refer to "Camshaft
Timing Drive Chain Alignment Diagram (Third
Design)" "Camshaft Timing Drive Chain Alignment
Diagram (Fourth Design)"- Stage One.
Reference: "Camshaft Intermediate Drive Chain Idler
Installation - Left Side (Fourth Design): ".
Camshaft Intermediate Drive Chain Idler
Installation - Left Side (Third Design)
1. Ensure that the left camshaft intermediate drive
chain idler (2) is being installed. The recessed hub
(3) and the larger sprocket of the left camshaft
intermediate drive chain idler is installed outward.
The raised hub and the smaller sprocket of the left
camshaft intermediate drive chain idler is installed
towards the block.
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