Symptoms:

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

Cause:

Worn line pressure plug and sleeve allows fluid loss that prevents proper line rise.

Correction:

Stop leaks and restore normal line pressure operation by installing Sonnax line pressure plug and sleeve kit.

48RE

Line Pressure Plug & Sleeve Kit
Part No.22771A-19K

You need this if... View Instructions Find a Distributor

Chrysler 48RE units often have problems with Reverse operation such as delayed engagement and soft or slipping Reverse. Other concerns may be poor cooler charge at idle and poor line pressure control. These problems can be traced to excess wear at the internal diameter of the line pressure sleeve, which allows pressure loss that hinders line rise. Eliminate sleeve wear and revive line pressure operation by installing Sonnax line pressure plug and sleeve kit 22771A-19K.

  • Hardcoat anodized aluminum valve combats premature wear
  • O-Ringed sleeve provides optimal circuit seal to help restore line rise

If excess PR bore wear is discovered, Sonnax offers oversized lube regulated pressure regulator valve and line/TV pressure plug kit22771A-16K.

  • Valve
  • Sleeve
  • O-Rings (2)1 Extra
  • 48RE Line Pressure Plug & Sleeve Kit 22771A-19K
  • 48RE Line Pressure Plug & Sleeve Kit 22771A-19K

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.

48RE Line Pressure Plug & Sleeve Kit Vacuum Test Locations