Symptoms:

  • Momentary wheel lockup
  • Code P0747
  • Downshift to 2nd from high gear
  • Harsh shifts
  • 5th Gear only
  • Reduced propulsion message
  • Burnt clutches
  • Clutch failure
  • Safety Recall N242480630 Momentary Wheel Lock-Up
  • Safety Recall N242454440 Momentary Rear Wheel Lock-Up

Cause:

Severe side-load wear in the feed limit low valve reduces pressure to the default disable solenoid, putting the vehicle into default or power loss mode.

Correction:

Installing drop-in Sonnax feed limit low valve kit overcomes bore wear, restoring proper valve function and preventing future wear.
  • 10L1000, 10L60 (Gen. 2), 10L80 (Gen. 2), 10L90 (Gen. 2) Feed Limit Low Valve Kit 105740-54K
  • 10L1000, 10L60 (Gen. 2), 10L80 (Gen. 2), 10L90 (Gen. 2) Feed Limit Low Valve Kit 105740-54K

You need this if...

Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.

10L1000, 10L60 (Gen. 2), 10L80 (Gen. 2), 10L90 (Gen. 2) Feed Limit Low Valve Kit Vacuum Test Locations