Vanden Plas L6-4.2L (1982)
Crankshaft Main Bearing Seal: Service and Repair
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Remove engine and disassemble.
NOTE: Before refitting the crankshaft, the rear oil seal must be fitted and sized correctly. Before fitting the seal halves into the housing grooves,
brush a thin coat of red Hermetite into both grooves for 25 mm (1 inch) from the joint face on opposite halves (from leading edge of seal on both).
Figure 68
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Carefully tap the new rear oil seal halves (1, Fig. 68) on side face to narrow section and press into the grooves in the seal housings (2, Fig. 68).
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Use a hammer handle (3, Fig. 68) to roll the seal into the housing until the ends do not protrude.
NOTE: Do NOT cut the ends of the seal.
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Use a knife or similar tool to ensure that no loose strands are proud.
Figure 69
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Assemble the two halves of the seal and secure using two socket head screws (1, Fig. 69).
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Fit the rear main bearing cap without bearings and tighten the bolts to 93-97.6 Nm (68.4-72 ft lb).
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Assemble the rear oil seal housing to the cylinder block using three socket head screws.
Figure 70
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Smear a small quantity of colloidal graphite around the inside surface of the oil seal and insert the sizing tool JD 17B (1, Fig. 70).
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Press the tool inwards and rotate it until fully home.
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Withdraw the tool by pulling and twisting at the same time.
