Press.reg. valve 6L45, 6L80, 6L90 OS

Press.reg. valve 6L45, 6L80, 6L90 OS Pressure Regulator Valve Matching Outer Spring Boost Valve Boost Sleeve Drill Bit Checkballs (2) 1 Extra Oversized pressure regulator valve and matched spring restore OE function Annular grooves help center valves in bore to reduce future side-load wear Hardcoat anodized aluminum valves combat premature wear. Symptoms: Burnt clutches Clutch slippage Converter concerns Harsh shifts High line pressure Low cooler flow Low line pressure Low line rise in Reverse No cooler flow Overheated transmission Cause: Continuous oscillation of pressure regulator valve results in excess bore wear, causing erratic line pressure and/or restricting cooler/lube flow. Wear at the boost sleeve induces Reverse issues. Correction: Recover hydraulic control and renew line pressure performance by reconditioning the bore and installing Sonnax oversized pressure regulator and boost valve kit. Required tool: F-104520-TL7C NOTE: Pump must be removed to install this kit. Use of the VB-06 is required with the VB-FIX reaming fixture for this installation unless the stator support shaft is removed from the pump body. Needs tool F-104520-TL7C