Symptoms:

  • Shift concerns
  • Low line pressure
  • High line pressure
  • Erratic TCC apply
  • Poor lube oil control

Cause:

Worn pressure regulator bore.

Correction:

Restore pressure regulator circuit with Sonnax oversized pressure regulator valve that returns pressure regulation to like-new function.
  • 40TES, 41AE, 41TES, 42RLE, 62TE Oversized Pressure Regulator Valve 92835-29
  • 40TES, 41AE, 41TES, 42RLE, 62TE Oversized Pressure Regulator Valve 92835-29

You need this if...

Vacuum tests at the ports indicated fail to hold the recommended minimum of in-Hg.

40TES, 41AE, 41TES, 42RLE, 62TE Oversized Pressure Regulator Valve Vacuum Test Locations
40TES, 41AE, 41TES, 42RLE, 62TE Oversized Pressure Regulator Valve Vacuum Test Locations