FORD 6R140
6R140-ZIP
Critical Wear Areas & Vacuum Test Locations Drop-In Zip Valve™
Parts Available Zip Kit® Available
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 are noted for replacement.
15 For specific vacuum test information, refer to individual part
Upper Valve Body
20 10
25
30 0
5 instructions included in kits and available at www.sonnax.com.
NOTE: Worm tracks vary depending upon model year, VACUUM
TEST
Click on Sonnax part numbers to see more information.
but vacuum test locations are all the same.
Overdrive 4-5-6 Clutch TCC Charge Control Valve
Regulator Valve • Low/High converter apply pressure
• Burnt Overdrive (4-5-6) clutch • TCC failure
• 4th, 5th and/or 6th Gear concerns
Intermediate 2-6 Clutch
Regulator Valve
• Burnt Intermediate (2-6) clutch
• 1-2 Shift concerns
• 5-6 Shift concerns
Forward 1-2-3-4 Clutch
Regulator Valve
• Delayed Forward • No Forward
• Gear ratio & solenoid codes • Failsafe mode
• Slipping gears • Burnt Forward clutch
• Overheated fluid
Direct 3-5-R Clutch
Regulator Valve
• Delayed Reverse • 2-3, 4-5 Flare • Bind-up
• Ratio codes (between flare & slip)
• 3rd, 5th, Reverse slip • Direct clutch burned
Replace with Sonnax Part No.
126740-11K Requires F-126740-TL11 & VB-FIX
Low/Reverse Clutch
Regulator Valve
• Low line pressure
• Burnt Low/Reverse clutch
• Delayed Reverse
Replace with Sonnax Part No.
126740-27K Requires F-126740-TL27 & VB-FIX TCC Apply Regulator Valve
• TCC Codes, cycling, slip • No lockup
• Overheated fluid • Loss of fuel economy
End Plugs • Low cooler & lube pressure
• Flare shifts • Harsh shifts • Soft shifts Replace with Sonnax Part No. TCC Apply Boost Valve
• Pressure loss • Burnt clutches 126740-15K Requires F-126740-TL15 and VB-FIX • TCC Codes, cycling, slip • No lockup
NOTE: Check visually for end plug • Overheated fluid • Loss of fuel economy
deterioration or bore wear. • Low cooler & lube pressure
Replace with Sonnax Part No. Replace with Sonnax Part No.
126740-09K NOTE: Several Locations = 126740-03K
©2023 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6R140-VacTestGuide 11-07-23
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 1
FORD 6R140
6R140-ZIP
Critical Wear Areas & Vacuum Test Locations Drop-In Zip Valve™
Parts Available Zip Kit® Available
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 are noted for replacement.
15 For specific vacuum test information, refer to individual part
Lower Valve Body
20 10
25
30 0
5 instructions included in kits and available at www.sonnax.com.
VACUUM
TEST
Click on Sonnax part numbers to see more information.
Cooler Bypass Converter Limit TCC Charge Limit Valve Internal O-Ringed
(Outboard) Valve (Inboard) Valve • Engine stall • TCC codes End Plug Kit
• Excess heat • Excess TCC slip • TCC Codes • No TCC release • TCC lining failure • Flare/Harsh/Soft Shifts
Replace with • TCC apply & release concerns Replace with Sonnax Part No. • Pressure loss • Burnt clutches
Sonnax Part No. • Lube failures • Reduced clutch life 126740-01K NOTE: Check visually for end plug
126740-26K • Low converter & lube flow Requires F-126740-TL & VB-FIX deterioration or bore wear.
Replace with Sonnax Part No. Replace with Sonnax Part No.
126740-25K 126740-05K
NOTE: Several Locations =
Overdrive 4-5-6
Clutch Latch Valve
• Burnt Overdrive (4-5-6) clutch
• 4th, 5th, 6th Gear concerns
Intermediate 2-6
Clutch Latch Valve
• Burnt Intermediate (2-6) clutch
• 1-2, 5-6 Shift concerns
Cooler Bypass Forward 1-2-3-4 Clutch
Valve End Plug Latch Valve
• Transmission overheat • Shift quality is not load sensitive
• Delayed engagement • Harsh shifts
• Gear ratio & solenoid codes
• Burnt Forward clutch • Overheated fluid
Replace with Sonnax Part No.
126740-06K Requires F-126740-TL6 & VB-FIX
Direct 3-5-R
Clutch Latch Valve
• Burnt Direct (3-5-R) clutch
• 3rd, 5th, Reverse shift concerns
Low/Reverse
Clutch Latch Valve
• Burnt Low/Reverse clutch
• Delayed Reverse
Line Pressure Control Solenoid Feed Pressure
(LPC) Valve Regulator Valve
• Poor shift quality • Burnt clutches • Solenoid codes NOTE: See details
• Ratio codes on page 1.
• TCC apply & release concerns
• Erratic line pressure • Overheating • Shift concerns
• Low converter & lube flow
Replace with Sonnax Part No.
126740-08K Requires F-126740-TL8 & VB-FIX
©2023 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6R140-VacTestGuide 11-07-23
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 2
FORD 6R140
OE Exploded View
Upper Valve Body
107
106
101
105
104
103
102
Upper Valve Body Descriptions
I.D. No. Description
101 TCC Charge Control Valve
102 TCC Apply Regulator Valve
103 Low/Reverse Clutch Regulator Valve
104 Direct 3-5-R Clutch Regulator Valve
105 Forward 1-2-3-4 Clutch Regulator Valve
106 Intermediate 2-6 Clutch Regulator Valve
107 Overdrive 4-5-6 Clutch Regulator Valve
©2023 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6R140-VacTestGuide 11-07-23
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 3
FORD 6R140
OE Exploded View
Lower Valve Body
206 207 208 209
205 210
Lower Valve Body Descriptions
I.D. No. Description
201 Manual Valve
202 Line Pressure Control (LPC) Valve
203 TCC Charge Limit Valve
Converter Limit (Inboard)
204 Cooler Bypass (Outboard, 2011-2016)
Cooler Bypass Blocker Valve (2017-later)
205 Overdrive 4-5-6 Clutch Latch Valve
201 206 Intermediate 2-6 Clutch Latch Valve
203
207 Forward 1-2-3-4 Clutch Latch Valve
208 Direct 3-5-R Clutch Latch Valve
209 Solenoid Feed Pressure Regulator Valve
210 Low/Reverse Clutch Latch Valve
202
204
©2023 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6R140-VacTestGuide 11-07-23
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 4
