Sonnax
A4LD TRANSMISSION Boost Valve Large Ratio Sonnax 56947-02K
A4LD TRANSMISSION Boost Valve Large Ratio Sonnax 56947-02K
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A4LD TRANSMISSION Boost Valve Large Ratio Sonnax 56947-02K
Typical problems in vehicles with a Ford A4LD transmission include low line pressure in forward or reverse, soft upshifts, delayed reverse and poor modulator control. These complaints can often be caused by a worn boost sleeve, which allows reverse and/or TV pressure to cross leak or exhaust. Sonnax high ratio boost valve kit 56947-02K with O-rings replaces worn parts and offers higher line rise than the OE-style, low-ratio valve.
- High-ratio valve with O-rings offers higher line rise than the OE valve
- Manufactured from highly wear-resistant aluminum
- Valve is hardcoat anodized to reduce wear
- Sleeve
- Valve
- O-Rings (2)
Parts ship daily from our distribution center.
WARRANTY requests need to be accompanied with the appropriate code as diagnosed by a professional transmission shop.
Vehicles must be professionally diagnosed for solenoid failure prior to purchase.
We cannot guarantee any one item will fix all transmission problems.
Solenoid failure is often accompanied by additional failures for example valve body failures, internal wear or damaged hard parts.
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