Symptoms:

  • Reverse slip
  • Poor line pressure control
  • Poor Forward & Reverse engagement
  • Poor cooler charge at idle
  • Soft Reverse

Cause:

Excess wear at line pressure plug and sleeve assembly allows critical pressure loss that results in driveability concerns.

Correction:

Recover hydraulic control and renew line pressure performance by installing Sonnax drop-in line pressure plug and sleeve kit.
  • 42RE, 42RH, 44RE, 44RH, 46RE, 46RH, 47RE, 47RH, A727 Line Pressure Plug & Sleeve Kit 22229-04K
  • 42RE, 42RH, 44RE, 44RH, 46RE, 46RH, 47RE, 47RH, A727 Line Pressure Plug & Sleeve Kit 22229-04K

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.

42RE, 42RH, 44RE, 44RH, 46RE, 46RH, 47RE, 47RH, A727 Line Pressure Plug & Sleeve Kit Vacuum Test Locations