sonnax boost valve kit a130e a130l a130h a131l a131a a140e a140l Transmission_W5A380 Overhaul Kit Transtec with Duraprene

Overhaul Kit Transtec with Duraprene Pan Gasket F4A41 F4A42 W4A42 F4A4B W4A4B F4A4A

Regal 2000-2002

SIERRA 2015-2016 8 SP R/4WD V8 5

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sonnax boost valve kit a130e a130l a130h a131l a131a a140e a140l Transmission_W5A380 Overhaul Kit Transtec with DurapreneSonnax Boost Valve Kit for A130, A131, A140 Toyota and Lexus vehicles equipped with A130, A131, and A140 transaxles may experience inadequate line rise in drive ranges and excessively high pressures in Reverse. These issues are typically caused by significant wear of the boost sleeve, which allows TV oil to leak through the manual valve in drive and lets Reverse oil enter the TV circuit, pushing the pressure regulator valve into a high pressure