B5.9G, B5.9LPG – Troubleshooting and Repair Manual – 001-031   Gear Cover, Front

Remove the drive belt. Refer to Procedure 008-002 in Section 8.

NOTE: Removal is easier if the vibration damper is loosened before removing the belt.

15 mm

Remove the vibration damper. Refer to Procedure 001-052 in Section 1.

10 mm

If required, remove the fan hub pulley. Refer to Procedure 008-036 in Section 8.

10 mm

Remove the front gear cover.

Clean the gear cover and gear housing gasket surface.

Inspect the gear cover for cracks or damage.

Install a new seal in the gear cover. Refer to Procedure 001-023 in Section 1.

NOTE: Install three guide pins, Part Number 3164977, to improve alignment of the front cover and front seal to the gear housing and crankshaft.

Apply a thin bead of Three Bond™ to the cover side of the front cover gasket only.

NOTE: Do not remove the plastic seal pilot tool from the lubricating oil seal at this time. Use the plastic seal pilot tool to guide the seal on the crankshaft.

Install the gasket and front cover on the engine.

10 mm

Tighten front cover capscrews.

Remove the plastic pilot tool from the crankshaft.

15 mm

Install the vibration damper. Refer to Procedure 001-052 in Section 1. Do not tighten the capscrews to the correct torque specification at this time.

3/8-Inch Square Drive

Install the drive belt. Refer to Procedure 008-002 in Section 8.

Service Tip: If difficulty is experienced installing the drive belt (the belt seems too short), position the belt over the grooved pulleys first; then, while holding the tensioner up, slide the belt over the water pump pulley.

Tighten vibration damper capscrews.