Crankshaft Rear Seal with Retainer Plate: Installation

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty and 2018 Ford F-450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the aluminum retainer plate. These tools cause scratches and gouges, which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.

Make sure that the mating faces are clean and free of foreign material. Use the General Equipment: Plastic Scraper

Material: Motorcraft ® Silicone Gasket Remover / ZC-30-A

Material: Motorcraft ® Metal Surface Prep Wipes / ZC-31-B

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NOTE: If the rear crankshaft seal retaining plate is not secured within 4 minutes, the sealant must be removed and the sealing area cleaned with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Allow to dry until there is no sign of wetness, or 4 minutes, whichever is longer. Failure to follow this procedure may cause future oil leaks.

NOTE: The silicone must be applied on the groove along the retainer plate.

Apply a 4.06 mm (0.159 in) bead of silicone gasket and sealant around the crankshaft rear seal retainer plate sealing surface.

Material: Motorcraft ® Silicone Gasket and Sealant / TA-30 (WSE-M4G323-A4)

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- Install the crankshaft rear seal retainer plate and the bolts finger-tight.
- Tighten the bolts in sequence shown.
  Torque: 89 lb.in (10 Nm)
Fig 1: Crankshaft Rear Seal Retainer Plate Tightening Sequence
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NOTE: Lubricate the crankshaft rear seal with clean engine oil prior to installation.

Using the special tools, install the new crankshaft rear seal. Use Special Service Tool: 303-516 (T95P-6701-BH) Installer, Crankshaft Rear Oil Seal., 303-518 (T95P-6701-DH) Installer, Crankshaft Rear Oil Seal.

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NOTE: Lubricate the crankshaft oil slinger with clean engine oil prior to installation.

Using the special tools, install the new crankshaft oil slinger. Use Special Service Tool: 303-516 (T95P-6701-BH) Installer, Crankshaft Rear Oil Seal., 303-517 (T95P-6701-CH) Installer, Crankshaft Rear Oil Slinger., 303-518 (T95P-6701-DH) Installer, Crankshaft Rear Oil Seal.

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Install the engine rear cover plate.

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Install the following items:
1. Flexplate. Refer to: Flexplate .
2. Oil pan. Refer to: Oil Pan .