U151E U250E Vac Locations

: Sonnax U151E-U250E-Vac-Locations U151E-U250E-Vac-Locations 446 file tech_resource uploads

Open the PDF directly: View PDF .
Page Count: 5

©2014 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-30-14

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

• Shift ares & 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

• Burned B2 brake

• Delayed reverse

• Loss of engine braking in manual low

Replace with Sonnax Part No.

27741-06K

B1 (2nd) Apply

Control Plunger

• Burned B1 brake

• 2-3 or 4-3 Bind-up

• Harsh 1-4 shifts

Replace with Sonnax Part No.

27741-04K

NOTE: Seal port on opposite side when testing.

Boost Valve

• Insufcient line rise in drive ranges

• Soft shifts

• Higher than normal reverse pressure

Replace with Sonnax Part No.

27741-01K

B2 (Low/Reverse) Switch Valve

• Burned B2 brake

• Delayed reverse

• Loss of engine braking in manual low

4-5 Shift Valve

• Delayed 3rd gear

• Burned UD/C3 clutch

• Delayed or no 5th gear

Click on Sonnax part numbers to see more information.

©2014 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-30-14

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

• Burned B1 brake

• 2-3 or 4-3 Bind-up

• Harsh 1-4 shifts

Replace with Sonnax Part No.

27741-04K

NOTE: Seal this port and test on opposite side.

Clutch Apply Control Valve

• Shift ares 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

• Higher than normal reverse pressure

• Low converter pressure

Replace with Sonnax Part No.

27741-08K Requires 57917E-TL8

End Plugs, Multiple Locations

• Oil pressure loss

• Shift, engagement & converter complaints

Replace with Sonnax Part No.

27741-20K

NOTE: Two Locations =





B2 (Low/Reverse) Switch Valve

• Burned B2 brake

• 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.

©2014 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-30-14

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

• Oil pressure loss

• Shift, engagement & converter complaints

Replace with Sonnax Part No.

27741-20K

NOTE: Eight locations =

Solenoid Modulator

Valve

• Harsh/Flare upshifts

• TCC slip or RPM cycling

• Loss of cooler ow/

overheating

Replace with Sonnax Part No.

27741-13K

Requires F-27741-TL13 & VB-FIX

B3 Orice Control

Valve

• Burned UD/B3 brake

• Shift complaints

Replace with Sonnax Part No.

27741-16K

Requires F-15741-TL18 & VB-FIX

NOTE: Stroke valve to ensure it is

not stuck.

B1 (2nd)

Accumulator Piston

• Burned B1 brake

• Slipping/Flares in 2nd,

4th & 5th

Replace with Sonnax Part No.

57917E-19K

















Secondary Pressure

Regulator Valve

• Harsh lockup

• Converter apply/release

complaints

• Burnt converters

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 complaints

• Burned clutches/brakes

C0 (Direct)

Accumulator Piston

• Burned C0 clutch

• Slipping/Flares in 3rd,

4th & 5th

Replace with Sonnax Part No.

57917E-19K

C0 (Direct)

Control Valve

• Burned C0 clutch

• Slipping/Flares in 3rd,

4th & 5th

Lockup Relay Valve

• TCC apply/release problems

• Converter codes

• Burnt converters/overheating

B1 (2nd)

Control Valve

• Burned B1 brake

• Slipping/Flares in 2nd,

4th & 5th

C1 (Forward)

Control Valve

• Burned C1 clutch

• Delayed engagements

• Slipping/Flares in 1st,

2nd & 3rd

NOTE: Seal these ports and test on

opposite side.

Solenoid Relay Valve

• Shift complaints

C1 (Forward)

Accumulator Piston

• Burned C1 clutch

• Delayed engagements

• 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.

©2014 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-30-14

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.

C1 (Forward) Control Valve

• Burned C1 clutch

• Delayed engagements

• Slipping/Flares in 1st, 2nd and 3rd

NOTE: Seal ports on opposite side when testing.

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

©2014 Sonnax Industries, Inc. U151E-U250E-Vac-Locations 01-30-14

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 Orice 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