Symptoms:
- Incorrect valve body calibration
- Missing B5 control spring
- 2-3 Harsh
- 3-2 Harsh
- 2-3 Flare
- 3-2 Flare
Cause:
中医节目预计弹簧控制响应in the B5 control line-up in certain vehicles. Without this spring, the calibration is mismatched and 2-3/3-2 shift issues may occur.Correction:
The Sonnax B5 control spring is a direct replacement for the OE spring and it can be added to any valve body in order to match the TCM calibration.55-50SN,55-51SN
B5 Control Spring
Part No.59947-33
Also fits AF23/33 and RE5F22A. Only some '05-later units were equipped with a control spring in the B5 clutch control valve lineup.
Package Quantity:5
View Instructions Find a DistributorOnly some Aisin AW 55-50SN and 55-51SN transmissions ('05-later units installed in Nissan and GM vehicles) were equipped with a control spring in the B5 clutch control valve line-up. Using a valve body without a spring in those vehicles creates a mismatch between the B5 lineup and the TCM calibration, often causing a harsh 2-3 upshift or 3-2 downshift. Sonnax B5 control spring 59947-33 is a direct replacement for the OE spring. This allows rebuilders to rebuild any suitable core for use in vehicles where the spring is required, or correct shift concerns caused by a missing spring.
- Restores valve train response, matching the TCM calibration
- Allows any AW55-50SN valve body to be converted to a spring type application
Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on.See all Sonnax valve body layouts.
Aisin AW 55-50SN, 55-51SN Valve Body Layout
