RAM 3500 HD Truck 4WD L6-6.7L DSL Turbo VIN A (2007)
Accumulator: Description and Operation
48RE (A-618) 4 Speed
Description
DESCRIPTION
The valve body consists of a cast aluminum valve body, a separator plate, and transfer plate. The valve body contains valves and check balls that control
fluid delivery to the torque converter clutch, bands, and frictional clutches. The valve body contains the following components.
By adjusting the spring pressure acting on the regulator valve, transmission line pressure can be adjusted.
Upper Housing Control Valve Locations
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Regulator valve (2)
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Switch valve (3)
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Regulator valve spring (4)
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Kickdown valve (5)
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Kickdown detent (6)
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Throttle valve and spring (7)
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Manual valve (8)
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1-2 Governor plug (9)
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Throttle pressure plug (11)
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2-3 Governor plug (12)
