Symptoms:

  • Codes 841, 868, 871, 988, 1775, 1776
  • OD clutch burned
  • Failsafe mode
  • Bind-up
  • Wrong gear starts
  • TCC apply & release concerns (41 & 42 series)
  • Engine stall (41 & 42 series)
  • No lockup (41 & 42 series)

Cause:

Excess bore wear at solenoid switch valve plugs allows critical pressure loss and causes plugs to hang up in the bore.

Correction:

Recover hydraulic control and prevent valve sticking by reconditioning the bore and installing the patented Sonnax oversized solenoid switch valve plug kit.
  • 40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Oversized Solenoid Switch Valve Plug Kit 92835-22K
  • 40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Oversized Solenoid Switch Valve Plug Kit 92835-22K
  • 40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Oversized Solenoid Switch Valve Plug Kit 92835-22K
  • 40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Oversized Solenoid Switch Valve Plug Kit 92835-22K details

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.

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Oversized Solenoid Switch Valve Plug Kit Vacuum Test Locations