Product Details

Sonnax part number: 37000-02

E-Shift Valve Spring.

Excessive flashing on the valve body casting, an out-of-round valve bore and low return spring rate can cause the E valve to stick. Install the stronger Sonnax E-shift valve spring after resizing or realigning the bore to prevent valve hang-ups. Sonnax Part Summary A sticking E-shift valve in an Allison series unit can be caused by a weak spring, an out-of- round valve bore, or excessive flashing on the valve body casting. The Sonnax E-shift valve spring has a higher spring rate than the OEM while the bore sizing tool allows you to improve bore roundness and remove excessive flashing.

Features and Benefits:

• Stronger spring with higher spring rate helps prevent valve from sticking
• Prevents Code 872, 3rd gear start
• Pressure switch stuck on
• E-shift valve sticking

For Allison 1000, T-1000, LCT-1000, Allison 2000, T-2000, LCT-2000, Allison 2400, T-2400, LCT-2400

35882W