2004R 4L60 700R4 Transmission TV Boost Valve Kit Sonnax 77917-01K .423"
.423" Dia., O-Ring style
A common problem in 4L60 transmissions is burned bands and/or 3-4 clutches. This failure can be reduced by eliminating throttle boost oil leakage. T
- Throttle valve boost valve and sleeve are made from made from hardened steel for better wear resistance.
- O-rings on sleeve separate throttle pressure and reverse boost circuits, providing additional protection against cross leaks.
- O-rings prevent loss of oil between the outside diameter of the throttle valve sleeve and pump body.
- Boost Valve
- Boost Sleeve
- O-Rings (2)
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