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E4OD 4R100 Line-to-Lube Pressure Regulator Valve - Sonnax

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 Product Description

4R100, E4OD

Line-To-Lube Pressure Regulator Valve
Part No. 36424-04K

Fits Ford E4OD and 4R100 with F1, F5, F8 and E9 stamped pump castings.

Ford E4OD, 4R100 transmissions often have problems with converter overheat, codes 62, 628, 1744, high line pressure and low cooler flow. The OE valve can close off critical converter/cooler circuit under high-demand situations, causing the TCC to drag on and glaze the lining at idle, or restricting converter/cooler charge during high load, leading to converter slip codes, overheat and lube failures.

Sonnax drop-in line-to-lube pressure regulator valve 36424-04K corrects these problems with a patented internal line-to-lube passage with anti-drainback check valve and a revised balance-end orifice. While drilling the pump casting will allow full-time flow to the cooler circuit, it is not precise and allows converter drainback, causing delayed engagement complaints. A revised balance end orifice is built into the valve and ensures sufficient oil is fed to the end of the PR valve to keep the valve in the proper regulating position and further preventing converter/cooler flow restrictions.

  • Hardcoat anodized aluminum valve combats premature wear
  • Internal check valve capsule allows full-time flow to the converter/cooler, but prevents drainback
  • An added orifice at the balance end ensures sufficient line pressure is present to balance against EPC and spring pressure

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