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Brand: Sonnax

Type: Valve body spring

Items Included: 3-2 Downshift Control Valve Spring

Manufacturer Part Number: 77754-23

Material: Steel

Performance Part: No

4L60-E, 4L65-E, 4L70-E Transmission Valve Body Spring

This spring works only in '96-later On/Off style 3-2 control valve bodies. It will not work in '93–'95 PWM style 3-2 control valve bodies.

The 3-2 control valve spring in late-model GM 4L60-E, 4L65-E and 4L70-E valve bodies often breaks, and can cause a 3-2 bind and/or 2-4 band to overheat. This spring is often found to be broken during valve body service, and OE replacements are not available. Sonnax 3-2 control valve spring 77754-23 salvages the valve body and prevents 3-2 bind and/or 2-4 band overheat.

  • Inexpensive replacement for unavailable OE spring
  • Salvages valve body core

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