Transmission Parts GM 4L70-E 4L60 4L60-E 4L65-E Internal Spring
Print Share View Instructions

Symptoms:

  • 3-4 Clutch boost spring collapse
  • 3-4 Clutch boost springs inefficient when overheated

Cause:

Springs collapse and lose strength when overheated due to 3-4 clutch failure.

Correction:

Install Sonnax precision manufactured direct replacement 3-4 clutch springs.

4L60, 4L60-E, 4L65-E, 4L70-E

3-4 Clutch Boost Spring
Part No. 77763-01

Fits '88-later units.

Package Quantity: 10

View Instructions Find a Distributor

Sonnax 77763-01 boost springs offer a low cost, direct replacement alternative to the OE springs in GM 4L60, 4L60-E, 4L65-E and 4L70-E units. Engineered for the application, the 77763-01 boost springs are precision manufactured from high quality spring materials.

  • Low-cost direct replacement
  • Precision manufactured
  • Made from high-quality spring material
  • 4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Clutch Boost Spring 77763-01
  • 4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Clutch Boost Spring 77763-01

Related Sonnax Parts

Required

Recommended

4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Clutch Boost Spring & Retainer Assembly 8667424

4L60, 4L60-E, 4L65-E, 4L70-E

3-4 Clutch Boost Spring & Retainer Assembly 8667424

'88-Later

    Helps cure:
  • 3-4 Clutch failure
↑