Symptoms:

  • Soft shifts
  • Flare shifts
  • Harsh shifts
  • Burnt clutches
  • Pressure loss

Cause:

Damaged, deformed and/or eroded end plugs and bores allow loss of critical hydraulic pressure.

Correction:

Recover hydraulic control and renew crucial circuit pressures by installing Sonnax O-ringed end plug kit.
  • 845RE, ZF8HP45, ZF8HP55, ZF8HP70 O-Ringed End Plug Kit 35740-30K
  • 845RE, ZF8HP45, ZF8HP55, ZF8HP70 O-Ringed End Plug Kit 35740-30K

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. Port configurations may change due to variations of casting channels.

845RE, ZF8HP45, ZF8HP55, ZF8HP70 O-Ringed End Plug Kit Vacuum Test Locations
845RE, ZF8HP45, ZF8HP55, ZF8HP70 O-Ringed End Plug Kit Vacuum Test Locations