2006 DODGE RAM SRT-10 Service Repair Manual

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Page 3985 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual After the shift, the timing valve holds the 2-3 shift
valve in an upshift position. The purpose is to prevent
the 2-3 valve from downshifting while either the over-
drive clutch or converter clutch is

Page 3986 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 3-4 QUICK FILL VALVE
The 3-4 quick fill valve provides faster engagement of
the overdrive clutch during 3-4 upshifts. The valve
temporarily bypasses the clutch piston feed orifice at
the start of a 3-

Page 3987 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual This exposes a larger passage into the piston retainer
resulting in a much faster clutch fill and apply
sequence. The quick fill valve does not bypass the
regular clutch feed orifice throughout the 3-

Page 3988 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual and volume must be regulated to maintain the balance within the transmission. To do this, throttle pressure is routed
tothereactionareaontherightsideofthethrottlepressureplug(intheregulator valve).
Th

Page 3989 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual SWITCH VALVE
When the transmission is in Drive Second before the TCC application occurs, the pressure regulator valve is sup-
plying torque converter pressure to the switch valve. The switch valve dir

Page 3990 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual MANUAL VALVE
The manual valve is a relay valve. The purpose of the manual valve is to direct fluid to the correct circuit needed
for a specific gear or driving range. The manual valve, as the name imp

Page 3991 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual Once the TCC control valve has moved to the right, line pressure is directedto the tip of the switch valve, forcing
the valve to the right. The switch valve now vents oil from the front of the piston

Once the TCC control valve has moved to the right, line pressure is directedto the tip of the switch valve, forcing
the valve to the right. The switch valve now vents oil from the front of the piston in the torque converter, and sup-
plies line pressure to the (rear) apply side of the torque converter piston. This pressure differential causes the piston
to apply against the friction material, cutting off any further flow of line pressure oil. After the switch valve is shuttled
right allowing line pressure to engage the TCC, torque converter pressureis directed past the switch valve into the
transmission cooler and lubrication circuits.
CONVERTER CLUTCH LOCK-UP VALVE
The torque converter clutch (TCC) lock-up valve controls the back (ON) side of the torque converter clutch. When
the PCM energizes the TCC solenoid to engage the converter clutch piston, pressure is applied to the TCC lock-up
valve which moves to the right and applies pressure to the torque converterclutch.
CONVERTER CLUTCH LOCK-UP TIMING VALVE
The torque converter clutch (TCC) lock-up timing valve is there to block any 4-3 downshift until the TCC is com-
pletely unlocked and the clutch is disengaged.
SHUTTLE VALVE
The assembly is contained in a bore in the valve body above the shift valves.When the manual valve is positioned
in the Drive range, throttle pressure acts on the throttle plug of the shuttle valve to move it against a spring, increas-
ing the spring force on the shuttle valve. During a part or full throttle 1-2upshift, the throttle plug is bottomed by
throttle pressure, holding the shuttle valve to the right against governor pressure, and opening a by–pass circuit.
The shuttle valve controls the quality of the kickdown shift by restricting the rate of fluid discharge from the front
clutch and servo release circuits. During a 3-2 kickdown, fluid discharges through the shuttle by-pass circuit. When
the shuttle valve closes the by-pass circuit, fluid discharge is restricted and controlled for the application of the front
band. During a 2-3 “lift foot” upshift, the shuttle valve by-passes the restriction to allow full fluid flow through the
by-pass groove for a faster release of the band.
Manual Valve

Page 3992 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual BOOST VALVE
The boost valve provides increased fluid apply pres-
sure to the overdrive clutch during 3-4 upshifts, and
when accelerating in fourth gear.
Theboostvalvealsoservestoincreaselinepressure
d

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