Transmission: Subject: Valve Body Identification ... · #1659 U250 Valve Body Identification 2. It...
Transcript of Transmission: Subject: Valve Body Identification ... · #1659 U250 Valve Body Identification 2. It...
Transmission:Subject:
Application:Issue Date:
U250Valve Body IdentificationToyotaDecember, 2014
Technical Bulletin #1659
U250Valve Body Identification
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A = 12mmB = 22mmC = 16mmD = 57mm
Valve Body: Teardown and AssemblyPrior to valve body disassembly it is recommended that the work area be free of other transmission parts, dirt and oil.1. Remove the solenoid bracket bolts.
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#1659U250Valve Body IdentificationSolenoid Identification
DSLTCC Solenoid
SL2Pressure Control
Solenoid B
S4Shift Solenoid D
SRShift Solenoid E
SL-3Pressure Control
Solenoid C
SLT/EPCPressure Control
Solenoid D
SL-1Pressure Control
Solenoid A
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#1659 U250Valve Body Identification
2. It is very important to identify the location of the solenoids. Wrong gear starts, bind ups and no upshifts can result from mixing the solenoids up.
Mark the solenoid and the valve body with the same number or letter to make sure the right solenoid goes in the right place (above).
Use tag wire or zip ties to hold the solenoids to their brackets (below). They can only be installed onto the valve body in one place.
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#1659U250Valve Body Identification3. Remove 16 bolts and remove the upper valve body cover.
Caution! Do not lose the spring and check ball.
Note: There are no check balls under the separator plate.
A = 10mm X 57mmB = 10mm X 41mmC = 8mm X 22mmD = 8mm X 10mm
Plain.841” X .409” X .059”
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#1659 U250Valve Body Identification
Separator Plate
UpperValve Body
Cover
U250Valve Body Identification
4. Remove 19 lower valve body bolts and carefully remove the plate from the lower body.
A = 41mmB = 14mmC = 30mm
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U250Valve Body Identification
Note the locations of the 10mm check balls.
Lower Cover Plate Gasket
U250Valve Body Identification#1659
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1 B1
2 C0
3 C1
Name
Light GreenInside: Light Blue
Outside: Light Blue
2.00" X .628" X .082"2.152" X .419" X .050"2.00" X .638" X .085"
Spring Color DimensionInside: OrangeOutside: Brown
1.178" X .430" X .055"2.143" X .637" X .078"
Valve Body Accumulator Spring Identification
1 2 3
U250Valve Body Identification #1659
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U250Valve Body Identification
Lower Valve Body Valve Identification
1 Blue2 Plain3 Blue4 Plain5 Green
2.240" X .785" X .062"1.019" X .288" X .023"
Lower Valve Body Spring IdentificationColor Dimension
.701" X .412" X .035"1.132" X .383" X .035".609" X .512" X .037"
12
34 5
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valve
U250Valve Body IdentificationUpper Valvebody Valve Identification
1
2 3
4
5
6
1 White2 Plain3 Green4 White5 Pink6 Plain 1.887" X .443" X .060"
Upper Valve Body Spring Identification
1.195" X .319" X .035"1.197" X .357" X .037" 2.012" X .311" X .020"2.250" X .387" X .024"
Color Dimension.850" X .250" X.033"
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U250Valve Body Identification
Upper Valvebody Valve Identification
1 Plain2 White3 Plain4 Blue5 Plain
.833" X .233" X .024"1.198" X .280" X .035"2.012" X .329" X .047"1.196" X .281" X .035"
Upper Valve Body Spring IdentificationColor Dimension
1.124" X .383" X.035"
1 2
3 4 5
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U250Valve Body Identification
Checkball Locations
Plastic check balls are .220”
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U250Valve Body Identification
Check Valve Location
Plain Spring.909” X .436” X .039”
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