Crankshaft Rear Seal: Installation

WARNING: This page is about a different variant/trim than selected.

NOTE: If the crankshaft rear seal is not secured within 10 minutes of sealant application, the sealant must be removed and the sealing area cleaned. Failure to follow this procedure can cause future oil leakage.

Apply a 3 mm (0.118 in) bead of silicone to the oil pan surface and a 5 mm (0.196 in) bead at the T-joints.

Material: Motorcraft® High Performance Engine RTV Silicone / TA-357 (WSE-M4G323-A6)

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1. Install the crankshaft rear main oil seal installer. Use Special Service Tool: 303-328 (T88P-6701-B1) Replacer, Rear Seal.
2. Install the crankshaft rear seal retainer at an angle above the oil pan flange to avoid scraping off the sealer.
3. Tilt the seal retainer up and onto the rear of the cylinder block.
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Using the special tool, seat the crankshaft rear seal. Use Special Service Tool: 303-328 (T88P-6701-B1) Replacer, Rear Seal.

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Install the bolts and tighten in sequence shown. Remove Special Service Tool: 303-328 (T88P-6701-B1) Replacer, Rear Seal.
Torque: 89 lb.in (10 Nm)

Fig 1: Crankshaft Rear Seal Bolts Tightening Sequence
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Drain engine oil and install drain plug. Use the General Equipment: Oil Drain Equipment
Torque: 20 lb.ft (27 Nm)

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Remove and discard the engine oil filter. Use the General Equipment: Oil Drain Equipment

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NOTE: Lubricate the engine oil filter seal with clean engine oil.

Install a new engine oil filter.

Torque: Stage 1: 71 lb.in (8 Nm) | Stage 2: 180°

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Fill the engine with clean engine oil. Refer to: SPECIFICATIONS .

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Install the flexplate or flywheel. Refer to: Flexplate . Refer to: Flywheel .