PSI (Power Solutions Intl) — Check O-shape seal ring for damage; make sure the nozzle is clean and free of burr.
A PSI (Power Solutions Intl) service procedure — check it applies to your exact model before use.
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Procedure
- 1) remove main bearing cap
- 2) remove crankshaft
- 3) Remove thrust plate (key point 1)
Source: manual:4.5L-Engine-Service-Manual-7610033-2.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.