Overdrive Brake and Coast Clutch Drum Assembly: Assembly

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: The lip seals must be positioned as shown. Care must be taken to prevent rollover of the lip seal.

Install the new coast clutch piston inner and outer seal.

Fig 1: Locating Coast Clutch Piston Inner And Outer Seal

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Verify the check ball is free to move.

Fig 2: Locating Check Ball

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CAUTION: Care must be taken to prevent damage to the seals during installation.

Using the special tool, install the coast clutch piston.
- Lubricate the seals with transmission fluid.

Fig 3: Identifying Special Tool (307-049) And Coast Clutch Piston

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Install the coast clutch piston springs.
1. Install the coast clutch piston springs.
2. Install the coast clutch spring retainer.

Fig 4: Identifying Coast Clutch Piston Springs

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CAUTION: Do not fully compress the special tool or damage to the coast clutch piston spring retainer may occur.

Using the special tool, install the coast clutch piston spring retainer ring.

Fig 5: Identifying Special Tool (307-015) And Coast Clutch Piston Spring Retainer Ring

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CAUTION: Coast clutch friction plates are directional and must be installed with grooves clockwise (ID to OD). The word TOP should face up, otherwise transmission damage can occur.

CAUTION: If new clutch plates are being used, they should be soaked in clean automatic transmission fluid before assembly, otherwise transmission damage can occur.

When installing friction plates, the word TOP should face up. If reusing plates, grooves must be installed clockwise. Install the coast clutch disc pack.

Fig 6: Rotating Coast Clutch Disc Pack Clockwise

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Install the 2 steel clutch plates and 2 friction clutch plates in alternating order starting with a steel clutch plate.

Fig 7: Locating Steel Clutch Plates And Friction Clutch Plates

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NOTE: The retaining ring is select fit.

Install the coast clutch pressure plate.
1. Install the coast clutch pressure plate.
2. Install the original coast clutch retaining ring.

Fig 8: Identifying Original Coast Clutch Retaining Ring And Coast Clutch Pressure Plate

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WARNING: When using compressed air, never let air pressure exceed 138 kPa (20 psi) and always wear safety glasses. Compressed air may cause foreign material or parts to become airborne. Failure to follow this instruction may result in serious personal injury.

Air check the assembly.
- Apply air pressure to the hole in the drum while blocking the other hole with a finger.

Fig 9: Applying Air Pressure To Hole In Drum While Blocking Other Hole With Finger

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Check the coast clutch disc pack free play.

Push down on the coast pressure plate.

Check clearance between the coast clutch retaining ring and coast pressure plate. Clearance should be 1.3-2.0 mm (0.051-0.079 in). If clearance is not within the specification, install a correct coast clutch retaining ring that will provide the correct free play adjustment.

Part Number	Thickness		Diameter
Part Number	mm	Inch	mm	Inch
E860126-S	1.37	0.0539	130.1	5.122
E860127-S	1.73	0.0681	130.1	5.122
E860128-S	2.08	0.0819	130.1	5.122
E860129-S	2.44	0.0961	130.1	5.122

Fig 10: Checking Clearance Between Coast Clutch Retaining Ring And Coast Pressure Plate

Courtesy of FORD MOTOR CO.