Symptoms:

  • TCC apply concerns
  • Overheated converter
  • Loss of lube oil

Cause:

The OE plastic solenoid snout cracks where it contacts the plunger valve causing oil leaks, while the PWM TCC signal drainback valve becomes loose or melts and blocks the converter apply valve.

Correction:

Replace the broken solenoid snout with an aluminum snout either with or without a built-in anti-drainback valve.

4L60, 4L60-E

TCC Solenoid Snout Kit
Part No. 77942-01K

'96-Earlier

View Instructions Find a Distributor

The plastic OE torque converter clutch solenoid snouts are prone to breakage, causing them to leak oil that should be directed to the converter clutch apply valve. Until now, your only option was to replace the entire OE harness or purchase an aftermarket solenoid and splice it into the existing harness. Sonnax solenoid snout 77942-01K allows the OE solenoid in '96-earlier 4L60/E units to be rebuilt to better-than-new condition. Sonnax also offers TCC solenoid snout 77942-02K that eliminates the need for the damage-prone plastic OE drainback valve in for ‘97-later PWM units.

  • Solenoid snout is made of aluminum for better wear resistance and durability.
  • TCC Solenoid Snout
  • O-Ring
  • 4L60, 4L60-E TCC Solenoid Snout Kit 77942-01K
  • 4L60, 4L60-E TCC Solenoid Snout Kit 77942-01K