55-50SN • 55-51SN
Oversized Solenoid Modulator Valve Kit 59947-34K
Also fits AF23/33 and RE5F22A.
-
Helps cure:
- Low line pressure
- 2-3 Flare
- No 3rd
- No 4th
- No 5th
- Delayed Forward
- 5th Gear only
- No lockup
55-50SN • 55-51SN
Lockup Relay Control Valve Kit 59947-01K
55-50SN • 55-51SN
Oversized Lockup Control Valve & Boost Valve Kit 59947-29K
Also fits AF23/33 and RE5F22A units.
-
Helps cure:
- Harsh downshifts
- TCC apply & release concerns
- RPM surge on coast
- TCC codes
- RPM surge on light acceleration
- Overheated converter fluid
55-50SN • 55-51SN
Lockup Control Valve Kit 59947-03K
55-50SN • 55-51SN
Oversized Neutral Relay Valve Kit 59947-35K
Also fits AF23/33 and RE5F22A.
-
Helps cure:
- Delayed Forward
- Increased throttle required for engagement
722.6
2-3 Overlap Control Sleeve Kit 68942-03
722.6
3-4 Overlap Control Sleeve Kit 68942-04
RE4F01A • RE4R01A
Elevated Pressure Main Pressure Regulator Spring 69880-02
Fits '95-Later
-
Helps cure:
- High line pressure
- Low base line pressure
722.6
Master Overlap Control Valve Sleeve Kit 68942-05K
4T80-E
AFL Valve Kit 72854-01K
-
Helps cure:
- Solenoid performance codes
- 2nd Gear starts
- Soft shifts & poor line rise
- Harsh shifts
- No 4th
- Clutch failure
- Band failure
- Wrong gear starts
722.6
Oversized Regulating Valve Pressure Control Valve Kit 68942-17K
Fits early and late units.
-
Helps cure:
- Delayed engagement
- Low line rise & long shift duration
- Flare shifts
- Shift codes
4R70W • AODE
Elevated Pressure Main Pressure Regulator Spring 76948-06
Fits '91-'95 only
-
Helps cure:
- Soft shifts
- Poor shift quality
- Low base line pressure
- Delayed Forward
- Forward clutch failure
