Cooler bypass manifold, method for modifying cooler bypass manifold and kit for modifying cooler bypass manifold
A modified cooler bypass manifold includes a manifold body having an inlet conduit, an outlet conduit, a return conduit, a thermal valve bore, a pressure valve bore and an intermediate conduit. A plug may be installed in the thermal valve bore. In another embodiment, a modified cooler bypass manifold includes an OE manifold body, a first inlet conduit, a second inlet conduit, a first outlet conduit, a second outlet conduit and a valve bore. The modified cooler bypass manifold may also include a pressure bypass valve assembly disposed in the valve bore. An OE end cap and retaining ring may be disposed in the valve bore and operably connected to the pressure bypass valve assembly and the OE manifold body.
1 . A modified cooler bypass manifold comprising:
a manifold body comprising an inlet conduit, an outlet conduit, a return conduit, a thermal valve bore, a pressure valve bore and an intermediate conduit, the thermal valve bore having an inboard end section and an outboard end section, wherein the inboard end section has a threaded portion fluidly coupling the inlet conduit to the return conduit, and wherein the inlet conduit is fluidly coupled to the outlet conduit via the outboard end section of the thermal valve bore; and
a plug threadedly engaged with the threaded portion of the inboard end section of the thermal valve bore, wherein the thermal valve bore is configured to receive automatic transmission fluid from the inlet conduit, wherein the plug is configured to direct the automatic transmission fluid to the pressure valve bore via the intermediate conduit, and wherein the threaded engagement between the plug and the threaded portion of the thermal valve bore is configured to prevent the automatic transmission fluid from flowing through the threaded portion of the inboard end section between the inboard end section of the thermal valve bore and the return conduit.
2 . The modified cooler bypass manifold of claim 1 , wherein the plug is a one-piece construction.
3 . The modified cooler bypass manifold of claim 1 , further comprising an OE pressure bypass valve assembly disposed in the pressure valve bore.
4 . A method of modifying an OE cooler bypass manifold, the OE cooler bypass manifold comprising an OE manifold body, an inlet conduit, an outlet conduit, a return conduit, a thermal valve bore having an inboard end section and an outboard end section, the inlet conduit being fluidly coupled to the outlet conduit via the outboard end section of the thermal valve bore, and the inlet conduit being fluidly coupled to the return conduit via the inboard end section of the thermal valve bore, a pressure valve bore, an intermediate conduit, an OE thermal bypass valve assembly disposed in the thermal valve bore and an OE pressure bypass valve assembly disposed in the pressure valve bore, the method comprising:
removing the OE thermal bypass valve assembly from the thermal valve bore;
threading at least a portion of the thermal valve bore at the inboard end section fluidly coupling the inlet conduit to the return conduit, and; and
threadingly engaging a plug with the threaded portion of the inboard end section of the thermal valve bore to thereby prevent fluid communication through the threaded portion of the inboard end section between the inboard end section of the thermal valve bore and the return conduit.
5 . The method of claim 4 , wherein the plug is a one-piece construction.
6 . The method of claim 4 , wherein the thermal valve bore is configured to receive automatic transmission fluid from the inlet conduit, and the plug is configured to direct the automatic transmission fluid to the pressure valve bore via the intermediate conduit, and to isolate automatic transmission fluid from the return conduit.
7 . A kit for modifying an OE cooler bypass manifold, the kit comprising:
A plug formed as a one-piece construction, the plug comprising a head, a rod, a foot and a threaded portion formed on the foot, wherein the plug is configured for installation in a thermal valve bore of the OE cooler bypass manifold with the foot being inserted into the thermal valve bore before the rod and the head, and for threadedly engaging a threaded portion of the thermal valve bore with threads of the foot so as to prevent fluid communication through the threaded portion of the thermal valve bore.
8 . A modified cooler bypass manifold comprising:
an OE manifold body, a first inlet conduit, a second inlet conduit, a first outlet conduit, a second outlet conduit and a valve bore;
a pressure bypass valve assembly disposed in the valve bore;
an OE end cap and retaining ring disposed in the valve bore and operably connected to the pressure bypass valve assembly and the OE manifold body;
a sleeve disposed in the valve bore;
a pressure activated valve at least partially disposed within the sleeve such that the sleeve is radially between the OE manifold body and the pressure activated valve; and
one or more valve springs to urge the pressure activated valve toward a second end of the valve bore to thereby prevent fluid communication through the second end of the valve bore, wherein the pressure bypass valve assembly is operable to direct automatic transmission fluid received in the first inlet conduit to the second outlet conduit or to the valve bore and first outlet conduit based on a fluid pressure of the automatic transmission fluid regardless of the temperature for the fluid.
9 . A method of modifying an OE cooler bypass manifold for fluidly communicating automatic transmission fluid, the OE cooler bypass manifold comprising an OE manifold body, a first inlet conduit, a second inlet conduit, a first outlet conduit, a second outlet conduit a valve bore and an OE thermal bypass valve assembly disposed in the valve bore, the method comprising:
removing an OE end cap and retaining ring securing the OE thermal bypass valve assembly;
removing the OE thermal bypass valve assembly from the valve bore, wherein the OE thermal bypass valve is operable to provide fluid communication from the first inlet conduit to the first outlet conduit via the valve bore depending on a temperature of the automatic transmission fluid;
installing a pressure bypass valve assembly in the valve bore in place of the OE thermal bypass valve assembly to thereby prevent fluid communication from the first inlet conduit to the first outlet conduit via the valve bore regardless of the temperature for the automatic transmission fluid; and
securing the pressure bypass valve assembly in the valve bore by operably connecting the OE end cap and retaining ring to the pressure bypass valve assembly and the OE manifold body, wherein the OE end cap and retaining ring is disposed at least partially in the valve bore.
10 . A kit for modifying an OE cooler bypass manifold, the kit comprising:
a pressure bypass valve assembly comprising a sleeve, a pressure activated valve, and a spring, wherein the pressure bypass valve assembly is configured for installation in the valve bore such that the sleeve is radially between the valve bore and the pressure activated valve, and wherein the pressure activated valve is moveable within the sleeve to prevent fluid communication through the valve bore regardless of the temperature for the fluid.