Symptoms:

  • 3-4 Clutch failure
  • Burnt clutches & bands
  • Excess pump noise
  • Low line pressure
  • Low line rise
  • Low Reverse boost
  • 2-3 Shift feel poor
  • Early upshifts
  • Soft upshifts
  • Soft shifts
  • Slide shifts
  • Delayed Reverse

Correction:

The parts in this Sure Cure kit repair and restore key areas most prone to TCC-related transmission problems and other issues affecting shift quality.

4L60

The Sure Cure® Kit
Part No. SC-4L60


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Sonnax Sure Cure kit SC-4L60 for GM 4L60 (700-R4) units is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. Sure Cure components are the same Sonnax parts sold individually to resolve common valve body complaints as well as other transmission problems. The high-quality Sonnax parts in each Sure Cure kit repair worn areas and protect the transmission against future damage. Plus, each kit comes with easy-to-read, step-by-step installation guide that covers the inspection and repair of the most critical areas of the valve body

  • Restore shift quality and reduce comebacks
  • Repairs biggest trouble areas to reduce comebacks
  • Includes step-by-step instructions for comprehensive valve/pump body restoration
  • Get everything you need for restoring troublesome units in one place, at one cost
  • Shims (2) Endplay .010"
  • Shims (2) Endplay .015"
  • Pump Slide Pivot Pin
  • Throttle Valve Plunger Valve Kit OEM #94
  • Shortened TV Link
  • TV Cable Corrector Kit
  • Seals (6) D-Ring, Servo
  • 1-2 or 3-4 Accumulator Spring
  • Servo Release Check Valve Kit
  • Reverse Boost Valve Kit
  • Oversized Pressure Regulator Valve
  • Pinless 1-2 or 3-4 Accumulator Piston Kit (2)
  • TV Boost Valve Kit .471" Bore Dia., O-Ring Style
  • Bushing Pump
  • Bushing Rear Stator Support
  • Checkballs (8) .250" Dia.
  • Checkball .312" Dia.

  • 4L60 The Sure Cure® Kit SC-4L60

Sonnax Sure Cure® Kits

Comprehensive Kit for Big Problems You Don't Want Back

Knowing exactly what parts to replace in troublesome transmissions is an ever-increasing challenge, but Sonnax Sure Cure kits solve this problem for you. Each kit is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance.

Learn More about Sonnax Sure Cure Kits