Valve Body: Disassembly

NOTE: If the valve body is being reconditioned or replaced, it is necessary to perform the Quick Learn Procedure using the DRBIII® Scan Tool.

Remove manual shaft seal.
Remove manual shaft screw. See Fig 1.

Fig 1: Removing Manual Shaft Retaining Screw
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Remove Transmission Range Sensor (TRS) and manual shaft. See Fig 2.

Fig 2: Removing Manual Shaft/Rooster Comb & Transmission Range Sensor
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Remove Solenoid/Pressure Switch Assembly from valve body. See Fig 3.

Fig 3: Removing Solenoid Retaining Screws
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Remove valve body stiffener plate. See Fig 4.

Fig 4: Removing Stiffener Plate
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Invert valve body assembly and remove transfer plate-to-valve body screws. See Fig 5.

Fig 5: Removing Transfer Plate-To-Valve Body Screws
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Remove transfer/separator plate from valve body. See Fig 6)

Fig 6: Removing Transfer Plate From Valve Body
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Remove separator plate-to-transfer plate screws. See Fig 7.

Fig 7: Removing Separator Plate-To-Transfer Plate Screws
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Remove separator plate from transfer plate. See Fig 8.

Fig 8: Removing Separator Plate From Transfer Plate
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Remove oil screen from transfer plate. See Fig 9.

Fig 9: Removing Oil Screen From Transfer Plate
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Remove thermal valve from transfer plate. See Fig 10.

Fig 10: Removing Thermal Valve From Transfer Plate
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Remove valve body check balls. Note their location for assembly ease. See Fig 11.

Fig 11: Locating Check Ball
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Remove 2/4 accumulator assembly as shown in Fig 12.

Fig 12: Exploded View Of 2/4 Accumulator Assembly
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Remove dual retainer plate from valve body. Use special tool 6301 to remove plate. See Fig 13.

Fig 13: Removing Dual Retainer Plate Using Tool 6301
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Remove regulator valve spring retainer. See Fig 14.

Fig 14: Removing Regulator Valve Spring Retainer Using Tool 6302
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Remove remaining retainers as shown in Fig 15.

Fig 15: Locating Valve Retainer
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Remove valves and springs as shown in Fig 16.

Fig 16: Exploded View Of Valve Body Assembly
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Cleanliness through entire disassembly and assembly of the valve body cannot be overemphasized. When disassembling, each part should be washed in a suitable solvent, then dried by compressed air. Do not wipe parts with shop towels. All mating surfaces in the valve body are accurately machined; therefore, careful handling of all parts must be exercised to avoid nicks or burrs.