For 1990-2009 cars only
- Clean the components in solvent.
- Dry the components with compressed air.
- Inspect the oil pump housing (413), housing (458), and the housing cover (409) for cracks, excessive wear, scoring, or casting imperfections.
- Inspect the oil pump base-to-engine block oil gallery surface for scratches or gouging.
- Inspect the oil pump base for damaged bolt hole threads.
- Inspect the pump slide (412) for excessive wear, scoring, or gouges.
- Inspect the oil pump internal oil passages for restrictions.
- Inspect the oil pump rotor (456) and vanes (457) for cracks, wear, or damage.
- Inspect the oil pump slide spring (416) for breakage.
- Inspect the oil pump slide (412) and slide seal (414) for cuts or damage.
- Inspect the oil pump screen (407) for debris or restrictions.
- Inspect the oil pump screen for broken or loose wire mesh.
Note:
• The internal components of the oil pump assembly are not serviced separately. If the oil pump components are worn or damaged, replace the oil pump as an assembly. • The oil pump pipe and screen are to be serviced as an assembly. Do not attempt to repair the wire mesh portion of the pump and screen assembly.
Warning: Refer to Safety Glasses Warning in the Preface section.
