- Delayed Reverse
- Low line rise
- Soft shifts
Severe wear of the boost sleeve due to continuous valve oscillation allows EPC and Reverse boost oil leakage.
Install Sonnax O-ringed valve and sleeve to restore hydraulic integrity.
Boost Valve Kit
- O-Rings (3) 1 Extra
Vehicles with Ford E4OD and 4R100 transmissions frequently have problems with poor line rise and/or soft shifts. These complaints are often caused by severe wear of the pressure regulator boost sleeve, allowing EPC and Reverse boost oil leakage. Sonnax boost valve kit 36424-01K eliminates these problems.
- O-Rings provide additional protection against leakage at the sleeve bore
- Sleeve manufactured from highly wear-resistant aluminum alloy
- Hardcoat anodized aluminum valve combats premature wear