Transmission Parts GM 4L70-E 200-4R 4L60 4L60-E 4L65-E Other Tool
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Warning:

Casting hardness often causes adverse issues with reamer performance in the 4L60/E pump. For consistent bore finish quality and extended reamer life, recommend using Sonnax carbide tool kit 77917-TLC. This tool kit can also be used with Sonnax oversized pressure regulator valve 77917-07.

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E

Tool Kit
Part No. 77917-TL

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MSRP: $168.17 at Sonnax Tool Shop

High-speed steel reamer tool Kit for 77917-06, 77917-07

  • Reamer
  • Drill Jig
  • 200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E Tool Kit 77917-TL

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Cleaning & Care Techniques for Sonnax Reamers
 

Required By

Required

Recommended

4L60-E, 4L65-E, 4L70-E The Sure Cure® Kit SC-4L60E

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

The Sure Cure® Kit SC-4L60E

Fully compatible with '95-later with PWM/EC3 (electronically controlled capacity clutch) control.

    Helps cure:
  • 3-4 Clutch failure
  • Burnt clutches & bands
  • Pump noise
  • Reduced 3-4 clutch life
  • Rotor fracture
  • Erratic line pressure
  • Low line rise
  • 1-2 Harsh
  • 2-3 Shift feel poor
  • Poor shift quality
  • Code 894, 1870
  • Falls out of lockup when hot
  • No lockup
  • TCC slip

Required

Recommended

4L60 The Sure Cure® Kit SC-4L60

4L60

The Sure Cure® Kit SC-4L60

    Helps cure:
  • 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

Required

Recommended

200-4R, 4L60 Oversized Pressure Regulator Valve 77917-06

200-4R, 4L60

Oversized Pressure Regulator Valve 77917-06

    Helps cure:
  • Erratic line pressure
  • Low line rise
  • Clutch slippage
  • Excess pump noise
  • 3-4 Clutch failure

Required

Recommended

4L60-E, 4L65-E, 4L70-E Oversized Pressure Regulator Valve 77917-07

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

Oversized Pressure Regulator Valve 77917-07

    Helps cure:
  • Erratic line pressure
  • Low line rise
  • 3-4 Clutch failure
  • Excess pump noise
  • Reverse chatter
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