Crankshaft and Bearing Removal
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Crankshaft and Bearing Removal
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Special Tools
•
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DT-8390270
Slide Hammer
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•
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EN 41818
Crankshaft Bearing Cap Remover
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For equivalent regional tools, refer to
Special Tools
.
Crankshaft End Play Measurement
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1.
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Place a dial indicator at the crankshaft nose.
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2.
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Gently force the crankshaft to the extreme front and rear positions with a pry tool while monitoring the movement of the dial indicator.
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4.
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If the specifications are exceeded inspect the thrust bearing thrust OD and the crankshaft thrust wall for wear and/or excessive runout. Refer to
Engine Mechanical Specifications
.
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5.
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Replace the thrust bearing or crankshaft as necessary.
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1.
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Remove the 8 crankshaft bearing cap side bolts (1, 2).
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2.
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Remove the 8 crankshaft bearing cap outer bolts (3).
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3.
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Remove the 8 crankshaft bearing cap inner bolts (4).
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4.
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Remove the crankshaft bearing caps using the
DT 8390270
slide hammer (1) and
EN 41818
remover (2).
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5.
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Using 2 hands, lift the crankshaft straight up from the engine block.
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6.
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Place the crankshaft in a secure place.
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7.
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Remove the crankshaft key from the nose of the crankshaft.
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Crankshaft Bearing Removal
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1.
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Prepare a piece of cardboard or equivalent, numbered 1-4 for bearing identification. Main bearing journals are numbered from the front of the engine.
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2.
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Remove the crankshaft upper bearing halves from the cylinder block. Note the position of the thrust bearing (1) at the number 3 journal (2).
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3.
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Place the crankshaft upper bearing halves on the cardboard in the correct positions. Note that the number 3 bearing is the thrust bearing.
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4.
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Remove the crankshaft lower bearing halves from the crankshaft bearing caps.
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5.
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Place the crankshaft lower bearing halves in the correct positions on the cardboard.
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