Crankshaft Rear Seal with Retainer Plate: Installation

All crankshaft rear seal retainer plates 

1. NOTE: Failure to use Motorcraft® High Performance Engine RTV Silicone may cause the engine oil to foam excessively and result in serious engine damage.
   NOTE: The crankshaft rear seal retainer must be installed and the bolts tightened within 10 minutes of sealant application.

   Apply 5 mm (0.196 in) beads of Motorcraft® High Performance Engine RTV Silicone to the 2 cylinder block/oil pan joints.

2. NOTE: Failure to use Motorcraft® High Performance Engine RTV Silicone may cause the engine oil to foam excessively and result in serious engine damage.
   NOTE: The crankshaft rear seal retainer must be installed and the bolts tightened within 10 minutes of sealant application.
   NOTE: Cast aluminum (early build) crankshaft rear seal retainer plate shown, stamped steel (late build) crankshaft rear seal retainer plate is similar.
   NOTE: The stamped steel (late build) crankshaft rear seal retainer plate comes with the crankshaft rear seal.

   Apply a 3 mm (0.11 in) bead of Motorcraft® High Performance Engine RTV Silicone to the sealing surface of the crankshaft rear seal retainer.

3. NOTE: If equipped with cast aluminum (early build) crankshaft rear seal retainer plate, use the 2 oil pan bolts as handles during installation to avoid touching the sealant.

   Install the crankshaft rear seal retainer at an angle above the oil pan flange to avoid scraping off the sealer. Tilt the seal retainer up and onto the rear of the cylinder block.

4. Install the 8 bolts and tighten in the sequence shown below to 10 Nm (89 lb-in).
5. Install the 2 oil pan to crankshaft rear seal retainer bolts.
   • Tighten to 10 Nm (89 lb-in) plus an additional 45 degrees.

   Cast aluminum (early build) crankshaft rear seal retainer plate 

6. NOTE: Lubricate the seal lips and bore with clean engine oil prior to installation.

   Position the Rear Main Seal Installer onto the end of the crankshaft and slide a new crankshaft rear seal onto the tool.

7. Using the Rear Main Seal Installer and Handle, install the new crankshaft rear seal.

   All crankshaft rear seal retainer plates 

8. Install the Crankshaft Position (CKP) sensor and install the bolt.
   • Tighten to 10 Nm (89 lb-in).
9. Connect the CKP sensor electrical connector.
10. Install the crankshaft sensor ring.
11. Install the flexplate. For additional information, refer to FLEXPLATE .