Front Crankshaft Seal: Service and Repair

Crankshaft Front Seal

















Removal

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Remove the engine cooling fan and fan shroud.

3. Rotate the tensioner clockwise and remove the accessory drive belt from the crankshaft pulley.





4. NOTICE: This bolt is torque-to-yield and cannot be reused. Failure to follow these instructions may result in engine damage.

Using the Strap Wrench, remove the crankshaft pulley bolt and washer.

- Discard the crankshaft pulley bolt.





5. Using the Crankshaft Vibration Damper Remover, remove the crankshaft pulley.





6. Using the Crankshaft Front Oil Seal Remover, remove and discard the crankshaft front seal.





Installation

All engines

1. Lubricate the engine front cover and the crankshaft front seal inner lip with clean engine oil.





2. Using the Crankshaft Front Oil Seal Installer, Front Cover Oil Seal Installer and Crankshaft Vibration Damper Installer, install a new crankshaft front seal.





3. NOTE: If 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 can cause future oil leakage.

Apply silicone gasket and sealant to the Woodruff key slot on the crankshaft pulley.





4. Using the Crankshaft Vibration Damper Installer, install the crankshaft pulley.





4.6L (2V) engines

5. Using a new crankshaft pulley bolt, install the crankshaft pulley bolt and washer. Using the Strap Wrench to hold the crankshaft pulley, tighten the bolt in 4 stages:
- Stage 1: Tighten to 120 Nm (89 lb-ft).

- Stage 2: Loosen one full turn.

- Stage 3: Tighten to 50 Nm (37 lb-ft).

- Stage 4: Tighten an additional 90 degrees.





5.4L (2V) engine

6. Using a new crankshaft pulley bolt, install the crankshaft pulley bolt and washer. Using the Strap Wrench to hold the crankshaft pulley, tighten the bolt in 4 stages:
- Stage 1: Tighten to 90 Nm (66 lb-ft).

- Stage 2: Loosen one full turn.

- Stage 3: Tighten to 50 Nm (37 lb-ft).

- Stage 4: Tighten an additional 90 degrees.





All engines

7. Rotate the tensioner clockwise and install the accessory drive belt onto the crankshaft pulley.





8. Install the engine cooling fan and the fan shroud.