U151E U250E Vac
U151E-U250E-Vac U151E-U250E-Vac U151E-U250E-Vac 440 file tech_resource uploads sonnax-dev
2017-01-26
: Sonnax U151E-U250E-Vac U151E-U250E-Vac 114 pdf pdf uploads
Open the PDF directly: View PDF .
Page Count: 5
©2017 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-03-17
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 1
TOYOTA U151E/F, U250E
TIME TESTED • INDUSTRY TRUSTED
Zip Kit® U151E-U250E-ZIP Available for this unit.
Critical Wear Areas & Vacuum Test Locations
NOTE: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Test locations are pointed to
with an arrow. Springs are not shown for visual clarity. Low vacuum reading indicates wear.
20
25
15
0
10
5
30
VACUUM
TEST
Lower Valve Body – Bottom Side • U250E Shown Here
Clutch Apply Control Valve
• Flare shifts & bind-ups
• Burned Forward/C1 Clutch, Direct/C0 Clutch
& 2nd/B1 Brake
Replace with Sonnax Part No.
27741-18K Requires F-27741-TL18 & VB-FIX
NOTE: Stroke valve to ensure it is not stuck.
B2 (Low/Reverse) Apply
Control Plunger
• B2 Brake clutches burned
• Delayed Reverse
• No engine braking in manual low
Replace with Sonnax Part No.
27741-06K
B1 (2nd) Apply
Control Plunger
• B1 Brake clutches burned
• 2-3 or 4-3 Bind-up
• Harsh upshifts
Replace with Sonnax Part No.
27741-04K
NOTE: Seal port on opposite side when testing.
Boost Valve
• Low line rise in Drive
• Soft shifts
• High line pressure in Reverse
Replace with Sonnax Part No.
27741-01K
B2 (Low/Reverse) Switch Valve
• B2 Brake clutches burned
• Delayed Reverse
• Loss of engine braking in manual low
4-5 Shift Valve
• Delayed 3rd
• UD/C3 Clutch burned
• Delayed or no 5th gear
Click on Sonnax part numbers to see more information.
©2017 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-03-17
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 2
TOYOTA U151E/F, U250E
TIME TESTED • INDUSTRY TRUSTED
Zip Kit® U151E-U250E-ZIP Available for this unit.
B1 (2nd) Apply
Control Plunger
• B1 Brake clutches burned
• 2-3 or 4-3 Bind-up
• Harsh 1 through 4 maneuver shifts
Replace with Sonnax Part No.
27741-04K
NOTE: Seal this port and test on opposite side.
Clutch Apply Control Valve
• Flare shifts and bind-ups
• Burned Forward/C1 Clutch, Direct/C0 Clutch
& 2nd/B1 Brake
Replace with Sonnax Part No.
27741-18K Requires F-27741-TL18 & VB-FIX
NOTE: Stroke valve to ensure it is not stuck.
Pressure Regulator Valve
• Low/High line pressure
• Soft/Harsh shifts
• Clutch & brake failures
• High line pressure in Reverse
• Low converter pressure
Replace with Sonnax Part No.
27741-08K Requires 57917E-TL8
End Plugs, Multiple Locations
• Shift concerns
• Clutch failure
Replace with Sonnax Part No.
27741-20K
NOTE: Two Locations =
B2 (Low/Reverse) Switch Valve
• B2 Brake clutches burned
• Delayed Reverse
• Loss of engine braking in manual low
Critical Wear Areas & Vacuum Test Locations
NOTE: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Test locations are pointed to
with an arrow. Springs are not shown for visual clarity. Low vacuum reading indicates wear and Sonnax parts noted for replacement.
20
25
15
0
10
5
30
VACUUM
TEST
Lower Valve Body – Bottom Side • U250E Shown Here
Click on Sonnax part numbers to see more information.
©2017 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-03-17
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 3
TOYOTA U151E/F, U250E
TIME TESTED • INDUSTRY TRUSTED
Zip Kit® U151E-U250E-ZIP Available for this unit.
End Plugs,
Multiple Locations
• Shift concerns • Clutch failure
Replace with Sonnax Part No.
27741-20K
NOTE: Eight locations =
Solenoid Modulator
Valve
• Harsh/Flare upshifts
• TCC slip or cycling
• Low cooler ow/overheating
Replace with Sonnax Part No.
27741-13K
Requires F-27741-TL13 & VB-FIX
B3 Orice
Control Valve
• UD/B3 Brake clutches burned
• Shift concerns
Replace with Sonnax Part No.
27741-16K
Requires F-15741-TL18 & VB-FIX
NOTE: Stroke valve to ensure it’s not stuck.
B1 (2nd) Accumulator Piston
• B1 Brake clutches burned
• Slipping/Flares in 2nd, 4th & 5th
Replace with Sonnax Part No.
57917E-19K
Secondary
Pressure
Regulator Valve
• Harsh lockup
• TCC apply & release
concerns
• Burnt converter
Replace with Sonnax Part No.
57917E-16K
Requires F-57917E-TL16 & VB-FIX
B2 (Low/Reverse)
Control Valve
• Burned B2 brake
• Delayed Reverse
• Delayed engagement in
manual 1st
Accumulator
Control Valve
• Shift concerns
• Burnt clutches & brakes
C0 (Direct)
Accumulator Piston
• C0 Clutch burned
• Slipping/Flares in 3rd, 4th & 5th
Replace with Sonnax Part No.
57917E-19K
C0 (Direct)
Control Valve
• C0 Clutch burned
• Slipping/Flares in 3rd,
4th & 5th
Solenoid
Relay Valve
• Shift concerns
C1 (Forward) Accumulator Piston
• C1 Clutch burned • Delayed engagement
• Slipping/Flares in 1st, 2nd & 3rd
Replace with Sonnax Part No.
57917E-19K
Critical Wear Areas & Vacuum Test Locations
NOTE: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Test locations are pointed to
with an arrow. Springs are not shown for visual clarity. Low vacuum reading indicates wear.
Upper Valve Body – Bottom Side • U250E Shown Here
20
25
15
0
10
5
30
VACUUM
TEST
Click on Sonnax part numbers
to see more information.
Lockup Control
Plunger Assembly
• Burnt converter
• TCC apply & release concerns
• TCC codes
Replace with Sonnax Part No.
57917E-03K
NOTE: Vacuum testing of lockup control
plunger assembly not possible while in casting.
Perform visual inspection to identify wear.
Lockup Relay Valve
• Apply & release concerns
• TCC codes
• Burnt converter overheating
B1 (2nd)
Control Valve
• B1 Brake clutches burned
• Slipping/Flares in 2nd, 4th
& 5th
C1 (Forward)
Control Valve
• C1 Clutch burned
• Delayed engagement
• Slipping/Flares in 1st, 2nd
& 3rd
NOTE: Seal these ports and test on
opposite side.
©2017 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-03-17
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 4
TOYOTA U151E/F, U250E
TIME TESTED • INDUSTRY TRUSTED
Zip Kit® U151E-U250E-ZIP Available for this unit.
Critical Wear Areas & Vacuum Test Locations
NOTE: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Test locations are pointed to
with an arrow. Springs are not shown for visual clarity. Low vacuum reading indicates wear.
Upper Valve Body – Top Side • U250E Shown Here
20
25
15
0
10
5
30
VACUUM
TEST
Lockup Control Valve
• TCC apply & release concerns
• TCC codes
• Burnt converter
Replace with Sonnax Part No.
27741-25K
RequiRes F-27741-TL25 & VB-FiX
NOTE: Place
clay here to
isolate circuit.
C1 (Forward) Control Valve
• C1 Clutch burned
• Delayed engagement
• Slipping/Flares in 1st, 2nd and 3rd
NOTE: Seal ports on opposite side when testing.
©2017 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-03-17
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 5
TOYOTA U151E/F, U250E
TIME TESTED • INDUSTRY TRUSTED
Zip Kit® U151E-U250E-ZIP Available for this unit.
Upper Valve Body Descriptions
I.D. No. Description
201 Lockup Relay Valve
202 Lockup Control Valve & Plunger
Valve Assembly
203 B1 Control Valve
204 Secondary Regulator Valve
205 C1 Control Valve
206 Solenoid Relay Valve
207 C0 Control Valve
208 Accumulator Control Valve
209 B3 Orice Control Valve
210 B2 Control Valve
211 Solenoid Modulator Valve
212 C0 Accumulator Piston
213 B1 Accumulator Piston
214 C1 Accumulator Piston
Lower Valve Body Descriptions
I.D. No. Description
101 Manual Valve
102 B2 Switch Valve & Plunger Valve
103 4-5 Shift Valve
104 B1 Switch Valve & Plunger
Valve Assembly
105 Main Pressure Regulator Valve
& Boost Valve Assembly
106 Clutch Apply Control Valve
OE Exploded View
Upper & Lower Valve Body • U250E Shown Here
211
Upper Valve Body
Bottom Side Shown
210
209
208
207
206
201
202
203
205
204
214
101
102
106
105
104
103
Accumulator Pistons
Installed on Top Side
Installed on Top Side
Lower Valve Body
Top Side Shown
Installed on
Bottom Side
212
213