Symptoms:

  • TCC codes
  • TCC apply & release concerns
  • RPM surge on light acceleration
  • Harsh downshifts
  • RPM surge on coast
  • Overheated fluid

Cause:

TCC control bore wear allows pressure loss that results in drivability concerns.

Correction:

Recover hydraulic control and restore normal operation by reconditioning the bore and installing Sonnax lockup clutch control valve kit.
  • 09G, 09K, 09M, TF-60SN, TF-80SC, TF-81SC Lockup Clutch Control Valve Kit 15741-29K
  • 09G, 09K, 09M, TF-60SN, TF-80SC, TF-81SC Lockup Clutch Control Valve Kit 15741-29K

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.

09G, 09K, 09M, TF-60SN, TF-80SC, TF-81SC Lockup Clutch Control Valve Kit Vacuum Test Locations
09G, 09K, 09M, TF-60SN, TF-80SC, TF-81SC Lockup Clutch Control Valve Kit Vacuum Test Locations
09G, 09K, 09M, TF-60SN, TF-80SC, TF-81SC Lockup Clutch Control Valve Kit Vacuum Test Locations