Vanden Plas L6-4.2L (1982)
Crankshaft Main Bearing: Service and Repair
REMOVE
Figure 8
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Remove the oil pan, oil pump and pipes (1, Fig 8).
Figure 9
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Withdraw the bolts (1, Fig 9) securing the rear main bearing cap and discard the washers. Note the corresponding numbers (2, Fig 9) on the
bearing cap and crankcase.
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Withdraw the upper half of the bearing shell.
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Liberally coat the replacement bearing shells with clean engine oil and locate in the crank case and bearing cap.
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Ensure that the lugs on the bearing shell locate correctly.
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Secure the bearing cap using bolts and a new flat washer.
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Tighten the bolts to the correct torque.
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Repeat operations to renew shells on the four intermediate main bearing caps.
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Remove the bolts securing the center main bearing cap.
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Discard the bearing shells and thrust washers.
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Liberally coat the replacement bearing shells and two new thrust washers with clean engine oil and locate the shells in the crankcase and bearing
cap.
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Ensure that the lugs on the bearing shell locate correctly.
Figure 10
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Locate the thrust washers (1, Fig 10) on either side of the bearing cap, white metal side outwards, and secure the cap using bolts and new flat
washers.
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Tighten the bolts (2, Fig 10) to the correct torque.
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Set the crankshaft to TDC No 6 cylinder (front) firing, and remove distributor cap.
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Remove the setscrew and remove the distributor.
