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Symptoms:

  • Forward clutch failure
  • Low line rise
  • Poor throttle pressure control
  • 1-2 Soft
  • Delayed engagement

Cause:

Normal case wear from piston oscillating in bore results in loss of line pressure.

Correction:

Use this repair kit to fix the accumulator bore and save the case.

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Intermediate Accumulator Sleeve Kit
Part No. 22841-01K

View Instructions

Common complaints with the 727, 904, 42-46-47RH/RE transmissions are soft 1-2 shifts, forward clutch failure, poor line rise and delayed forward engagement caused by a worn or scored accumulator bore in the case. Sonnax offers a kit, 22841-01K, to repair the accumulator bore. This kit is a drop-in solution and does not require any special machining.

  • Kit allows the salvage of damaged cases that would otherwise have to be scrapped.
  • Two sleeves are included to repair both the small- and large-diameter bores.
  • Kit includes an undersized piston with seals to provide proper fit with new sleeves.
  • Piston
  • Sleeves (2)
  • Seals (2)
  • 22841 01k combo
  • 22841 01k

Instructions