5L40E Vac Guide Interactive
5L40E Vacguide Interactive 5L40E_VacGuide_Interactive 5L40E_VacGuide_Interactive 521 file tech_resource uploads sonnax-dev
5L40E Vacguide Interactive 5L40E_VacGuide_Interactive 5L40E_VacGuide_Interactive 152 pdf pdf uploads sonnax-dev
2016-12-20
: Sonnax 5L40E Vacguide Interactive 5L40E_VacGuide_Interactive 527 file tech_resource uploads
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Page Count: 7
©2015 Sonnax Industries, Inc. 5L40E_VacTestGuide 11-11-15
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 1
GM 5L40-E, 5L50-E
TIME TESTED • INDUSTRY TRUSTED
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.
Front Control Valve Body
20
25
15
0
10
5
30
VACUUM
TEST
20
25
15
0
10
5
30
VACUUM
TEST
Safety Mode Valve
• 1-2 Bind-up
• Clutch distress
Replace with Sonnax Part No.
55211-14K Requires F-55211-TL14 & VB-FIX
3-4 Shift Control Valve
• 3-4 Flare
• Clutch distress
Replace with Sonnax Part No.
55211-14K Requires F-55211-TL14 & VB-FIX
AFL Valve
• Low line pressure
• Gear ratio codes
• 2nd Gear starts
• Loss of 4th and 5th
• TCC slip
Replace with Sonnax Part No.
55211-01K Requires F-55211-TL & VB-FIX
TCC Regulator Valve
• TCC Slip
• Overheated converter
• Delayed/No Reverse
• Harsh/soft TCC apply
• No lockup
Replace with Sonnax Part No.
55211-04K (.437" dia. balance spool)
Requires F-55211-TL4 & VB-FIX
55211-24K (.476" dia. balance spool)
Requires F-55211-TL22 & VB-FIX
©2015 Sonnax Industries, Inc. 5L40E_VacTestGuide 11-11-15
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 2
GM 5L40-E, 5L50-E
TIME TESTED • INDUSTRY TRUSTED
Low Pressure Control Valve
• 3-2-1 Bump
• Harsh/No engine braking in 1st, 2nd or 3rd
• Clutch failures
Replace with Sonnax Part No.
55211-17K Requires F-55211-TL17 & VB-FIX
Reverse Lockout Valve
• No Reverse
• TCC lining overheat
• Burnt Reverse clutch
• Burnt Low/Reverse clutch
Replace with Sonnax Part No.
55211-11K Requires F-55211-TL & VB-FIX
4-5 Shift Control Valve
• 4-5 Shift complaints
• Clutch distress
Replace with Sonnax Part No.
55211-14K Requires F-55211-TL14 & VB-FIX
2-3 Shift & Control Valves
• 1st or 2nd Gear only
• No 3rd, 4th or 5th gears
1-2 Shift Valve
• 1-2 Shift complaints
• 1st Gear only
• No 1st gear
• Second clutch distress
1-2 Shift Control Valve
• 1st Gear only
• No 1st gear
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.
Rear Control Valve Body
20
25
15
0
10
5
30
VACUUM
TEST
20
25
15
0
10
5
30
VACUUM
TEST
©2015 Sonnax Industries, Inc. 5L40E_VacTestGuide 11-11-15
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 3
GM 5L40-E, 5L50-E
TIME TESTED • INDUSTRY TRUSTED
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.
Fluid Pump Cover Body
20
25
15
0
10
5
30
VACUUM
TEST
20
25
15
0
10
5
30
VACUUM
TEST
Dual TCC
Valve Pump
Boost Valve Kit
• Low line rise
• High line pressure in Reverse
• Flare shifts
• TCC slip
• Gear ratio codes
Replace with Sonnax Part No.
55209-01K Increased Performance
55209-04K OE Ratio
TCC Control Valve
• Incorrect TCC apply & release
• No lockup
• Falling out of lockup hot
• Insufcient lube
Single TCC
Valve Pump
Pressure Regulator
Valve
• Low line pressure
• Gear ratio codes
• Pump slide wear
• Gear fracture
Replace with Sonnax Part No.
55211-08K Requires 55211-TL8
Test: Block orice
in valve with pencil
eraser while testing.
TCC Control &
Enable Valve Kit
• TCC apply & release concerns
• No lockup
• Falls out of lockup when hot
• Inadequate lubrication
Replace with Sonnax Part Nos.
55211-22K For Dual Valve Pumps Only
Requires F-55211-TL22 & VB-FIX & VB-06
©2015 Sonnax Industries, Inc. 5L40E_VacTestGuide 11-11-15
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 4
GM 5L40-E, 5L50-E
TIME TESTED • INDUSTRY TRUSTED
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.
Accumulator Pistons
20
25
15
0
10
5
30
VACUUM
TEST
20
25
15
0
10
5
30
VACUUM
TEST
Directions:
All accumulator pistons and
covers can be checked at either
location indicated.
1. Pull accumulator piston
down until ush with cover
opening as illustrated.
2. Attach appropriately sized
testing tip to vacuum test
line and apply vacuum to
either port.
3. Leave port not being tested
unblocked while testing the
other port.
Direct Clutch Accumulator
• Slipping in 3-4
• Harsh 3-4
Overdrive Clutch Accumulator
• Slipping in 4-5
• Harsh 4-5
Intermediate Clutch Accumulator
• Slipping in 2-3
• Harsh 2-3
Second Clutch Accumulator
• Slipping in 1-2
• Harsh 1-2
©2015 Sonnax Industries, Inc. 5L40E_VacTestGuide 11-11-15
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 5
GM 5L40-E, 5L50-E
TIME TESTED • INDUSTRY TRUSTED
101
102
103
104105
106
107
Front Control Valve Body Descriptions
I.D No. Description
101 TCC Regulator Apply Valve
102 Feed Limit Valve
103 Pressure Control Solenoid Assembly
104 Direct Clutch Accumulator Piston
105 Overdrive Clutch Accumulator Piston
106 Safety Mode Valve
107 3-4 Shift (outboard) &
Control (inboard) Valves
OE Exploded View
Front Control Valve Body
©2015 Sonnax Industries, Inc. 5L40E_VacTestGuide 11-11-15
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 6
GM 5L40-E, 5L50-E
TIME TESTED • INDUSTRY TRUSTED
209
201
202
203
204
205206
207
208
Rear Control Valve Body Descriptions
I.D. No. Description
201 1-2 Shift Control Valve
202 2-3 Shift (inboard) & Control (outboard) Valves
203 4-5 Shift (inboard) & Control (outboard) Valves
204 Manual Valve
205 Low Pressure Control Valve
206 Reverse Lockout Valve
207 1-2 Shift Valve
208 Intermediate Clutch Accumulator Piston
209 2nd Clutch Accumulator Piston
OE Exploded View
Rear Control Valve Body
©2015 Sonnax Industries, Inc. 5L40E_VacTestGuide 11-11-15
800-843-2600 • 802-463-9722 • F: 802-463-4059 • www.sonnax.com Page 7
GM 5L40-E, 5L50-E
TIME TESTED • INDUSTRY TRUSTED
301
302
303
304
Fluid Pump Cover Body Descriptions
I.D. No. Description
301 Pressure Relief Ball Valve Assembly
302
TCC Control Valve (Single TCC Valve Design)
TCC Control (Outboard) and TCC Enable
(Inboard) Valves (Dual TCC Valve Design)
303 Fluid Pump Screen Assembly
304 Pressure Regulator Valve (Inboard) and
Line Boost Valve/Sleeve (Outboard)
OE Exploded View
Fluid Pump Cover Body
Single TCC
Valve Pump
Dual TCC
Valve Pump 301
302
303
304