Symptoms:

  • TCC codes & concerns
  • Damaged TCC linings
  • Lube failures

Cause:

Severe bore wear at the TC pressure regulator valve bore.

Correction:

Recondition the bore and install Sonnax TC regulator valve kit to re-establish converter oil pressure and cooler flow.
  • RE5R05A TC Regulator Valve Kit 63741-17K
  • RE5R05A TC Regulator Valve Kit 63741-17K

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.

RE5R05A TC Regulator Valve Kit Vacuum Test Locations