Sonnax Aisin AW TF-81SC Transmission

Valve Body (View Valve Body Layout Diagram)

Accumulator Piston Kit 15741-14K

Fits multiple locations.

Helps cure:

Poor shift quality
Forward slip
Delayed engagement
Burnt clutches

Accumulator Piston Kit 39741-42K

Helps cure:

Severe wear at accumulator bores
Low clutch oil pressure
Low TCC pressure
Low EPC pressure

B1 Band Control Valve Kit 39741-22K

Also fits Volvo (AM6); Opel (AF40); Peugeot (TF80); Saab (AF40/6); Land Rover (TF80); Ford (AF21) & Mazda (AW6A-EL).

Helps cure:

1-2 Flare
2nd Slip
5-6 Flare
6th Slip
B1 band burned
Gear ratio & solenoid codes

Tooling:

F-39741-TL22
VB-FIX

C1/K1 Clutch Control Valve Kit 15741-25K

Fits C1 clutch control bore for TF-80SC & TF-81SC. Fits K1 clutch control bore for for TF-60SN, 09G, 09K, 09M and Mini 6F21WA. Also fits Volvo (AM6), Opel (AF40), Saab (AF40/6), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

Coastdown Neutral
Delayed Forward
Gear ratio & solenoid codes
K1 Clutch burned
C1 Clutch burned
Erratic shift timing
Flare shifts
Harsh shifts

Tooling:

F-15741-TL25
VB-FIX

Lockup Clutch Control Valve Kit 15741-29K

Also fits Volvo (AM6); Opel (AF40); Saab (AF40/6); Ford (AF21); Mazda (AW6A-EL).

Helps cure:

TCC codes
TCC apply & release concerns
RPM surge on light acceleration
Harsh downshifts
RPM surge on coast
Overheated fluid

Tooling:

O-Ringed End Plug Kit 15741-36K

Also fits Volvo (AM6), Opel (AF40), Peugeot (TF80), Saab (AF40/6), Land Rover (TF80), Ford (AF21), Mazda (AW6A-EL).

Helps cure:

Shift concerns associated with circuit pressure loss

O-Ringed End Plug Kit 15741-35K

Also fits Volvo (AM6), Opel (AF40), Peugeot (TF80), Saab (AF40/6), Land Rover (TF80), Ford (AF21), Mazda (AW6A-EL)

Helps cure:

Shift concerns associated with circuit pressure loss

Oversized B1 Band Control Valve Kit 39741-48K

Also fits Volvo (AM6); Opel (AF40); Peugeot (TF80); Saab (AF40/6); LandRover (TF80); Ford (AF21) & Mazda (AW6A-EL).

Helps cure:

1-2 Flare
2nd Slip
5-6 Flare
6th Slip
B1 band burned
Gear ratio & solenoid codes
Erratic shift timing
Harsh shifts

Tooling:

F-39741-TL48
VB-FIX

Oversized C1/K1 Clutch Control Valve Kit 15741-55K

Also fits Volvo (AM6), Opel (AF40), Saab (AF40/6), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

C1 Clutch burned
K1 Clutch burned
Coastdown Neutral
Delayed Forward
Gear ratio & solenoid codes
Erratic shift timing
Flare shifts
Harsh shifts

Tooling:

F-15741-TL55
VB-FIX

Oversized C2 Clutch Control Valve Kit 39741-46K

Also fits Volvo (AM6), Opel (AF40); Peugeot (TF-80), Saab (AF40/6), LandRover (TF-80), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

3-4 Flare
4-5-6 Slip
Erratic shift timing
C2 Clutch burned
Pressure control out-of-range codes

Tooling:

F-39741-TL46
VB-FIX

Oversized C3 Clutch Control Valve Kit 39741-50K

Also fits Volvo (AM6), Opel (AF40), Peugeot (TF-80), Saab (AF40/6), Land Rover (TF-80), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

2-3 Shift concerns
4-5 Concerns
Delayed Reverse
C3 Clutch burned
Slips & flares
Pressure control out-of-range codes

Tooling:

F-39741-TL50
VB-FIX

Oversized Clutch Cutoff Valve Kit 15741-63K

Fits several locations, see note for details. Fits C3 signal bore, C1 shift bore & B1/C3 control bore.

Helps cure:

Erratic shift timing
Failsafe mode
Harsh shifts
Burnt clutches
Overheated fluid
Ratio codes
Slipping gears
Soft shifts

Tooling:

F-15741-TL63
VB-FIX

Oversized Main Pressure Regulator & Boost Valve Kit 39741-01K

Fits Volvo (AM6), Opel (AF40), Peugeot (TF80), Saab (AF40/6), Land Rover (TF80), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

Erratic line pressure
Low line rise in Drive
Low line rise in Reverse
Bushing failure
High line pressure in Reverse

Tooling:

F-39741-TL
VB-FIX

Oversized Secondary Pressure Regulator Valve Kit 39741-11K

Helps cure:

TCC codes
TCC slip
TCC surge
Loss of lube oil
Overheated fluid, bushings & converter
Poor shift quality
Harsh Reverse

Tooling:

F-39741-TL11
VB-FIX

Oversized Solenoid Modulator Valve Kit 39741-18K

Fits either of 2 locations. Also fits Volvo (AM6); Opel (AF40); Peugeot (TF80); Saab (Af40/6); Land Rover (TF80); Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

Code 734, 735, 729
Kickdown slip
Kickdown shock
4th Slip
5th Slip
6th Slip

Tooling:

F-39741-TL18
VB-FIX

Oversized Three-Spool Relay/Control/Switch Valve Kit 15741-50K

This kit can be used in any of six locations in three different valve body applications. See instructions for details.

Helps cure:

Gear ratio & solenoid codes
Various shift concerns
No shift

Tooling:

F-33741B-TL1
VB-FIX

Oversized Two-Spool Relay/Signal Valve Kit 15741-49K

This kit can be used in any of nine locations in five different valve body applications.

Helps cure:

Gear ratio & solenoid codes
Various shift concerns
No shift

Tooling:

F-33741B-TL1
VB-FIX

Solenoid Modulator Accumulator Piston Kit 39741-14K

Fits Ford (AF21) and Mazda (AW6A-EL) units. Fits either of two locations.

Helps cure:

Shift concerns
Shift codes
Low solenoid feed pressure

Solenoid Wire Connector Retainer 59947-60

Also fits AF23/33, RE5F22A, Volvo (AM6), Opel (AF40), Peugeot (TF80), Saab (AF40/6), Land Rover (TF80), Ford (AF21), Mazda (AW6A-EL).

Helps cure:

Broken solenoid connector

Other

Adapter Plate Kit F-15741-TL29PL

For VB-FIX

Tooling:

VB-FIX
VB-FIX

Tool Kit F-39741-TL46

Tooling:

VB-FIX

Tool Kit F-39741-TL11

Tooling:

VB-FIX

Tool Kit F-33741B-TL1

Tooling:

VB-FIX

Tool Kit F-15741-TL29

Tooling:

VB-FIX

Tool Kit F-39741-TL

Tooling:

VB-FIX

Tool Kit F-39741-TL50

Also fits with AF21, AF40, AF40/6, AM6, AW6A-EL.

Tooling:

VB-FIX

Tool Kit F-15741-TL55

Tooling:

VB-FIX

Tool Kit F-15741-TL63

Tooling:

VB-FIX

Tool Kit F-39741-TL18

Tooling:

VB-FIX

Tech Resources

January 25, 2023