Coast Clutch Assembly: Disassembly

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Remove the No. 5 thrust bearing.

Fig 1: Locating No. 5 Thrust Bearing

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Remove the retaining ring and remove the center shaft.

Fig 2: Retaining Ring And Center Shaft

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Remove the overdrive planetary No. 4 thrust bearing.

Fig 3: Identifying Overdrive Planetary No. 4 Thrust Bearing

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Remove the retaining ring.

Fig 4: Locating Retaining Ring

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Remove the coast clutch pressure plate one-way clutch (OWC) (mechanical diode) assembly and the clutch plates.

Fig 5: Coast Clutch Pressure Plate One-Way Clutch Assembly And Clutch Plates

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Using the special tool, remove the coast clutch return spring retaining ring.

Fig 6: Coast Clutch Return Spring Retaining Ring

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Remove the coast clutch return spring.

Fig 7: Locating Coast Clutch Return Spring

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Remove and discard the coast clutch piston and seal assembly.

Fig 8: Coast Clutch Piston And Seal Assembly

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NOTE: If the teeth and/or bushing are damaged, a new sun gear will need to be installed.

If required, use an arbor press to remove the sun gear.

Fig 9: Identifying Sun Gear

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NOTE: If the coast clutch cylinder assembly shows any signs of damage, install a new coast clutch cylinder.

Inspect the coast clutch cylinder assembly.
1. Inspect the bushing.
2. Inspect the No. 1 thrust washer mating surface.
3. Inspect the lube hole.

Fig 10: Identifying Coast Clutch Cylinder Assembly

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NOTE: If the coast clutch hub shows any signs of damage, install a new coast clutch hub.

Inspect the OWC inner race.
Remove and discard the retaining bolts for the coast clutch hub. Separate the 2 halves.

Fig 11: Locating Coast Clutch Hub And Bolts

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Inspect the planet gears for damage. If any damage is found, install a new overdrive planet.

Fig 12: Identifying Planet Gears

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