6F35 Vac Guide
2018-08-16
: Sonnax 6F35 Vac guide 6F35_Vac_Guide 487 file tech_resource uploads
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Page Count: 5
Note: Plug casting valley with foam, putty
or appropriately sized O-ring coated in
assembly lube to isolate circuit.
TCC Regulator Valve
•
Code P0741, 742 • No lockup • TCC slip
•
Harsh TCC apply • Loss of fuel economy
Replace with Sonnax Part No.
144740-19K
Requires F-144740-TL19 & VB-FIX
Plug port
on back
Control Pressure Regulator Valve
• Bump/Flare/Harsh/Erratic Shifts • Burnt clutches
• Overheated uid
Replace with Sonnax Part No.144740-04K
*Note: Plug bore opening with thumb
when vacuum testing end plug ports.
Plug port
on back
Direct (3-5-R) Clutch
Regulator Valve
• Burnt 3-5 Reverse clutch
• Delayed Reverse
• 3rd & 5th Shift concerns
• 2-3 & 4-5 Flare
Forward (1-2-3-4)
Clutch Latch Valve
• Slips & ares • Slip codes
• Delayed engagement
• Shift quality is not load sensitive
• Harsh/Slide shifts • Burnt clutches
Replace with Sonnax
Part No. 144740-21
Requires F-144740-TL21 & VB-FIX
Low Reverse/Overdrive
(4-5-6) Clutch
Regulator Valve
•
Burnt Low Reverse & Overdrive clutch
• Delayed Reverse
• 4-5-6 Shift concerns
• 3-4 Flare
Note: Plug casting valley with foam,
putty or appropriately sized O-ring coated
in assembly lube to isolate circuit.
Intermediate (2-6)
Clutch Regulator Valve
• Burnt 2-6 clutch
• 2nd & 6th Shift concerns
• 1-2 & 5-6 Flare
Forward (1-2-3-4)
Clutch Regulator Valve
• Burnt 1-2-3-4 clutch
• Delayed Forward
• 1-2-3-4 Shift concerns Test Generation 1: Invert OE dampener
piston and test off center of the rubber tip.
Gen. 1 Only
Solenoid Pressure
Regulator Valve
• Harsh/Flare shifts • No 4th, 5th or 6th
• Low clutch oil pressure
Replace with Sonnax Part No.
144740A-01 Requires 144740-TL
End Plugs
Shift concerns
Burnt clutches
Pressure loss
TCC apply concerns
NOTE: Vacuum test end plugs at
outboard port while sealing bore
opening with thumb.
Replace with Sonnax Part No.
144740-03K
= Several Locations
Clutch Select Valve
• Various shift concerns
• Shift codes
Click on Sonnax part numbers
to see more information.
©2018 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6F35_Vac Test Locations 07-31-18
866-243-8829 • 856-848-0908 • F: 856-848-1080 • www.sonnax.com Page 1
FORD 6F35 (Gen. 1 & Gen. 2)
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
6F35-ZIP
Zip Kit® Available
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.
For specic vacuum test information, refer to individual part instructions included in kits and available at www.sonnax.com.
Solenoid Valve Body • 6F35, Gen. 1 Shown
Click on Sonnax part numbers
to see more information.
Test
Together
Test
Together
Test
Together
Low Reverse/Overdrive (4-5-6)
Clutch Latch Valve
• Slips & ares • Delayed engagement
• Shift quality is not load sensitive • Slip codes
• Harsh/Slide shifts • Burnt clutches
Replace with Sonnax Part No.
144740-21 Requires F-144740-TL21 & VB-FIX
Direct (3-5-R) Clutch Latch Valve
• Slips & ares • Delayed engagement
• Shift quality is not load sensitive • Slip codes
• Harsh/Slide shifts • Burnt clutches
Replace with Sonnax Part No.
144740-21 Requires F-144740-TL21 & VB-FIX
Intermediate (2-6) Clutch
Latch Valve
• Slips & ares • Delayed engagement
• Shift quality is not load sensitive • Slip codes
• Harsh/Slide shifts • Burnt clutches
Replace with Sonnax Part No.
144740-21 Requires F-144740-TL21 & VB-FIX
©2018 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6F35_Vac Test Locations 07-31-18
866-243-8829 • 856-848-0908 • F: 856-848-1080 • www.sonnax.com Page 2
FORD 6F35 (Gen. 1 & Gen. 2)
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.
For specic vacuum test information, refer to individual part instructions included in kits and available at www.sonnax.com.
Pump Body • 6F35 Gen. 1 Shown
Plug
Orice
Click on Sonnax
part numbers to see
more information.
Pressure Regulator Valve
• Poor shift quality • Erratic line pressure
• TCC apply & release concerns
• Burnt clutches • Overheating
• Low converter & lube ow
Replace with Sonnax Part No.
144510-03K Requires F-144510-TL3C & VB-FIX
TCC Control Valve
• Excess TCC slip • TCC codes
• TCC lining failure • Shudder
• TCC apply & release concerns
• Low cooler ow • Overheating
• Low converter & lube ow
Replace with Sonnax Part No.
144510-07K Requires F-144510-TL7C & VB-FIX
©2018 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6F35_Vac Test Locations 07-31-18
866-243-8829 • 856-848-0908 • F: 856-848-1080 • www.sonnax.com Page 3
FORD 6F35 (Gen. 1 & Gen. 2)
101
102
103
104
105
106
107
110
108
109
OE Exploded View
Main Control Valve Body • 6F35, Gen. 1 Shown
NOTE: Depending upon vehicle application,
the OE springs shown may not be present.
Gen. 1
Gen. 2
1-2-3-4 Solenoid Damper
201
202
203
Solenoid Valve Body
6F35, Gen. 1 Shown
Solenoid Valve Body
I.D.
No. Description
201 Direct (3-5-R) Clutch Latch Valve
202 Intermediate (2-6) Clutch Latch Valve
203 Low Reverse/Overdrive (4-5-6)
Clutch Latch Valve EPC Solenoid Damper,
Gen. 2 Only
SSB Solenoid
Damper,
Gen. 2 Only
SSC Solenoid Damper,
Gen. 2 Only
SSD Solenoid
Damper,
Gen. 2 Only
Main Control Valve Body
I.D.
No. Description
101 Control Pressure Regulator Valve
102 TCC Regulator Valve
103 Clutch Bypass Valve
104 Solenoid Pressure Regulator Valve
105 Manual Valve
106 Low Reverse/Overdrive (4-5-6)
Clutch Regulator Valve
107 FWD (1-2-3-4) Clutch Latch Valve
108 FWD (1-2-3-4) Clutch Reg. Valve
109 Intermediate (2-6) Clutch Reg. Valve
110 Direct (3-5-R) Clutch Reg. Valve
©2018 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6F35_Vac Test Locations 07-31-18
866-243-8829 • 856-848-0908 • F: 856-848-1080 • www.sonnax.com Page 4
FORD 6F35 (Gen. 1 & Gen. 2)
OE Exploded View
Pump Body • 6F35, Gen. 1 Shown
NOTE: Depending upon vehicle application, the OE springs shown may not be present.
301
302
303
304
Pump Body Descriptions
I.D. No. Description
301 Line Pressure Relief
302 Pressure Regulator Valve
303 TCC Control Valve
304 TCC Relief Ball
©2018 Sonnax Transmission Company, Inc. • A Marmon / Berkshire Hathaway Company 6F35_Vac Test Locations 07-31-18
866-243-8829 • 856-848-0908 • F: 856-848-1080 • www.sonnax.com Page 5
FORD 6F35 (Gen. 1 & Gen. 2)
