TCC Apply Limit Switch Valve Kit
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Product Details
Description
When the torque converter clutch (TCC) is engaged in listed Chrysler units, line pressure from the TC regulator valve is directed straight to the TCC apply circuit, applying full line pressure to the TC clutch.
In worn or performance-enhanced transmissions, pressure can reach 210 psi or spike even higher, potentially deforming or ballooning the torque converter. This deformation can negatively impact drivability, efficiency, and overall performance.
Sonnax TCC apply limit switch valve kit 44912-36K limits the amount of pressure applied to the torque converter without affecting the line pressure or creating partial apply drivability issues.
- Improved valve replaces OE TCC switch valve
- Protects the torque converter from ballooning and failure due to excess pressure
- Carburized steel valve combats premature wear
- Limits TCC apply pressure to a max of 150 psi, even in chipped and high performance units
- Drop-in Zip Valve™ parts install quickly and easily
The OEM calls this a TCC switch valve. The improved Sonnax version is called a TCC apply limit switch valve because, while it functions like the OE valve, it also limits the converter apply pressure.
- Valve
- Spring
Symptoms:
- Repeated converter failure
- Damaged converter
- Excess converter pressure
- No lockup
- TCC slip
- TCC apply & release concerns
Cause:
RFE transmissions lack a specific valve that controls the apply side of the converter pressure. Excess converter pressure can cause converter damage, ballooning and converter failure.Correction:
Sonnax drop-in TCC apply limit switch valve kit limits the amount of pressure applied to the torque converter without affecting the line pressure or creating partial apply drivability issues.