Harsh Neutral to Reverse or Harsh Neutral to Drive. Chevrolet Monte Carlo 1999

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Monte Carlo 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T60-E 🢒 Harsh Neutral to Reverse or Harsh Neutral to Drive

Checks

Cause

Modulator or Lines

Loss of vacuum due to damaged lines or modulator

Reverse Servo Cushion Spring

Broken or wrong spring

Control Valve Assembly

•	Missing #5 checkball, results in harsh reverse

•	Missing #6 checkball, results in harsh drive

Forward Servo Cushion Spring

Broken or wrong spring

Spacer Plate

Thermal element does not close when the element is warm, causing harsh Neutral to Drive