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Sonnax Ford CD4E Oversized Bypass Clutch Control Valve Automatic Transmission
OPT Product Code: SNX-73840-BK$86.58
Product Details
Worn bores in the converter bypass line-up reduce TCC control and cooler flow. This results in bushing or planet failure, reduced converter clutch life from overheating and often results in codes 628/1744/1740. Slippage codes are often generated as the unit comes up to operating temperature. As the temperature rises, valve control becomes poor and excessive clearance creates oil leakage. Sonnax now offers a Bypass Clutch Control Kit, 73840-BK, with a tightly toleranced sleeve and plunger valve to restore hydraulic integrity and prevent excessive leakage. Note: This kit cannot address high line pressure in the PR balance circuit, which can break up parts and reduce flow into the converter/cooler circuits. For information on that repair, see part number 73840-RK.
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