Symptoms:
- 1-2 Harsh
- Delayed Forward
- Cases with worn or scored 1-2 accumulator bores
Cause:
The 1-2 accumulator bore on AODE and 4R70 series cases can become scored, resulting in the loss of 2nd clutch pressure. Once this bore is damaged the case must be replaced.Correction:
Installing Sonnax drop-in 1-2 accumulator sleeve kit salvages the case.4R70E, 4R70W, 4R75E, 4R75W, AODE
1-2 Accumulator Sleeve Kit
Part No. 76890-01K
-
Requires:
- 76890-TL (Recommended)
View Instructions Find a Distributor
Common complaints in Ford AODE and 4R70 series transmissions are delayed forward engagement and harsh 1-2 shifts caused by the 1-2 accumulator bore in the case being worn or scored. This wear results in the loss of 2nd clutch pressure and the need to replace the case. Sonnax 1-2 accumulator sleeve kit 76890-01K salvages expensive cases and restores the 1-2 shift.
- Salvages expensive cases
- Restores 1-2 shifts
- Requires no machining of the case
- Sonnax tool 76890-TL simplifies installation and ensures correct sleeve orientation
- Drop-in Zip Valve™ parts install quickly and easily
- Sleeve Small
- Sleeve Large
- Piston
- Piston O-Ring Small
- Piston O-Ring Large
- Cover
- Cover O-Ring
