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.

   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.

   Cast aluminum (early build) crankshaft rear seal retainer plate 

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

   Special Tool(s): Installer, Rear Main Seal 303-1250.

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

7. Special Tool(s): Installer, Rear Main Seal 303-1250 and Handle 205-153 (T80T-4000-W). Install the new crankshaft rear seal.

   Stamped steel (late build) crankshaft rear seal retainer plate 

8. NOTE: Lubricate the seal with clean engine oil prior to installation.
   NOTE: 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.

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

    All crankshaft rear seal retainer plates 

11. Install the Crankshaft Position (CKP) sensor and install the bolt.
    • Tighten to 10 Nm (89 lb-in).
12. Connect the CKP  sensor electrical connector.
13. Install the crankshaft sensor ring.
14. Install the flexplate. Refer to FLEXPLATE .